{"title":"Circuit Testers","description":null,"products":[{"product_id":"titan-11436-tester-circuit-digial-display","title":"Titan 11436 Digital Display Circuit Tester","description":"\u003cp\u003eThe Titan 11436 Digital Display Circuit Tester is designed for diagnosing electrical systems in vehicles and other DC applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor use on 6-48V DC systems\u003c\/li\u003e\n\u003cli\u003eUsed to detect voltage, power, ground, and circuit integrity\u003c\/li\u003e\n\u003cli\u003eLCD display provides a no-guess voltage value of the circuit\u003c\/li\u003e\n\u003cli\u003eBacklit LED indicates green for ground or red for power\u003c\/li\u003e\n\u003cli\u003eProvides 1-handed operation of circuit testing and diagnostics\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Titan","offers":[{"title":"Default Title","offer_id":67669205385461,"sku":"MEDTTN11436","price":28.78,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/11436.jpg?v=1791657070"},{"product_id":"electronic-specialties-307m-fuse-buddy-current-loop-mini-fuse","title":"Electronic Specialties 307M Fuse Buddy Current Loop - Mini Fuse","description":"\u003cp\u003eThe Fuse Buddy Current Loop for Mini Fuses provides easy access to measure amperage draw through a fused circuit by clamping your current probe over the loop.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eJust clamp your current probe over the loop to access the amperage draw through a fused circuit\u003c\/li\u003e\n\u003cli\u003eEasy testing access, plugs right into fuse socket, no more hand made adapters\u003c\/li\u003e\n\u003cli\u003eTesting range 0-30 Amps\u003c\/li\u003e\n\u003cli\u003eOne year warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Electronic Specialties","offers":[{"title":"Default Title","offer_id":67669385674997,"sku":"MEDESI307M","price":27.91,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/307M.jpg?v=1791657129"},{"product_id":"cta-5059-digital-circuit-tester-kit","title":"CTA 5059 Digital Circuit Tester Kit","description":"\u003cp\u003eThis Digital Circuit Tester Kit is used to check voltage values on 6V, 12V, and 48V systems, offering a full range from 4V to 60V with a small testing current.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eUsed to check voltage value on 6V, 12V, and 48V systems.\u003c\/li\u003e\n\u003cli\u003eFull voltage range: 4V - 60V.\u003c\/li\u003e\n\u003cli\u003eSmall testing current: less than 10mA.\u003c\/li\u003e\n\u003cli\u003eIncludes a 12 foot coil cord.\u003c\/li\u003e\n\u003cli\u003eDigital display for accurate voltage value.\u003c\/li\u003e\n\u003cli\u003eLCD screen displays power (Red) and ground (Green).\u003c\/li\u003e\n\u003cli\u003eUtilizes standard 4mm banana jacks for compatibility with most circuit testing equipment and meters.\u003c\/li\u003e\n\u003cli\u003eKit includes: Piercing probe with banana socket, Insulated cable piercing probe with banana socket, Test probe with 4mm banana socket, and Alligator clip.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CTA","offers":[{"title":"Default Title","offer_id":67669405729013,"sku":"MEDCTA5059","price":57.16,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/5059.jpg?v=1791657135"},{"product_id":"lisle-26250-low-circuit-tester","title":"Lisle 26250 Low Circuit Tester","description":"\u003cp\u003eThis low circuit tester quickly checks both AC and DC current up to 28 volts with power on.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eQuickly checks both AC and DC current up to 28 volts with power on.\u003c\/li\u003e\n\u003cli\u003eHelps locate shorts or breaks in wiring.\u003c\/li\u003e\n\u003cli\u003eComplete with insulated grounding clip.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67669407498485,"sku":"MEDLIS26250","price":11.32,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/26250.jpg?v=1791657136"},{"product_id":"s-g-tool-aid-27300-612-volts-heavy-duty-circuit-tester","title":"S \u0026 G Tool Aid 27300 Heavy Duty Circuit Tester - 6\/12 Volts","description":"\u003cp\u003eThis Heavy Duty Circuit Tester features an extra long wire that stretches up to 12 feet for use, then automatically retracts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eQuickly and easily check electrical circuits and accessories on 6 and 12 volt systems.\u003c\/li\u003e\n\u003cli\u003eGreat for use on cars, trucks, boats, trailers, motorcycles, airplanes, and snowmobiles.\u003c\/li\u003e\n\u003cli\u003eFeatures a super sharp probe.\u003c\/li\u003e\n\u003cli\u003eA heavy-duty ground clip with insulator is on one end of the retractable wire and a spring supported strain relief is on the other.\u003c\/li\u003e\n\u003cli\u003eThe bulb is easily replaced.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S \u0026 G Tool Aid","offers":[{"title":"Default Title","offer_id":67669431222517,"sku":"MEDSGT27300","price":17.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/27300.jpg?v=1791657144"},{"product_id":"lisle-28640-the-ultimate-circuit-tester-kit","title":"Lisle 28640 The Ultimate Circuit Tester Kit","description":"\u003cp\u003eThe Ultimate Circuit Tester Kit is a heavy-duty tester that signals with both a light and a buzzer, capable of testing low voltage up to 28 volts and performing various electrical diagnostics.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeavy-duty tester signals with a light and buzzer\u003c\/li\u003e\n\u003cli\u003eTests low voltage up to 28 Volts\u003c\/li\u003e\n\u003cli\u003eFinds electrical shorts\u003c\/li\u003e\n\u003cli\u003eChecks polarity\u003c\/li\u003e\n\u003cli\u003eDetects battery drain\u003c\/li\u003e\n\u003cli\u003eChecks circuits from a distance\u003c\/li\u003e\n\u003cli\u003eHeavy-duty coil cord extends over 8 feet\u003c\/li\u003e\n\u003cli\u003eDetachable, spring-loaded hook pulls the center of the wire into the probe\u003c\/li\u003e\n\u003cli\u003eAlligator clip can be attached to the probe for clip-on connections\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67669553283317,"sku":"MEDLIS28640","price":36.54,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/28640.jpg?v=1791657183"},{"product_id":"s-g-tool-aid-22700-continuity-tester-supplied-without-battery","title":"S \u0026 G Tool Aid 22700 Continuity Tester - Supplied without Battery","description":"\u003cp\u003eThis continuity tester is used to check for continuity in electrical circuits when the power is disconnected.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eExcellent for use on marine, recreational, and general automotive vehicles.\u003c\/li\u003e\n\u003cli\u003eTests appliances and other electrical circuits with power off.\u003c\/li\u003e\n\u003cli\u003eFeatures a 48 inch lead wire.\u003c\/li\u003e\n\u003cli\u003eUses one AA 1.5 volt battery (not supplied).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S \u0026 G Tool Aid","offers":[{"title":"Default Title","offer_id":67669680783605,"sku":"MEDSGT22700","price":14.52,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/22700.jpg?v=1791657226"},{"product_id":"s-g-tool-aid-25100-short-finder","title":"S \u0026 G Tool Aid 25100 Short Finder","description":"\u003cp\u003eThe Short Finder is designed to quickly and inexpensively locate shorts in 12 volt automotive circuits.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEliminates the need to remove upholstery and floor coverings.\u003c\/li\u003e\n\u003cli\u003eOperates through metal parts, panels, fiber, and plastic materials.\u003c\/li\u003e\n\u003cli\u003eSimply connect leads to the posts of a blown fuse.\u003c\/li\u003e\n\u003cli\u003eAn induction type needle indicator pinpoints the location of the short.\u003c\/li\u003e\n\u003cli\u003eSchematic included with instructions.\u003c\/li\u003e\n\u003cli\u003eFurnished in a clear storage box.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S \u0026 G Tool Aid","offers":[{"title":"Default Title","offer_id":67669729607925,"sku":"MEDSGT25100","price":67.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/25100.jpg?v=1791657247"},{"product_id":"lisle-56810-relay-test-jumper-kit","title":"Lisle 56810 Relay Test Jumper Kit","description":"\u003cp\u003eThis relay test jumper kit provides a quick and easy way to test relays or live circuits.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet includes four jumpers to fit the most popular size relays on domestic and import vehicles.\u003c\/li\u003e\n\u003cli\u003eSimply remove the relay to be tested, insert the correct jumper, and then insert the relay into the jumper.\u003c\/li\u003e\n\u003cli\u003eWhen using the green four-pin jumper, align pins on the jumper and relay correctly.\u003c\/li\u003e\n\u003cli\u003eNo need to pierce wires or connect multiple jumper wires.\u003c\/li\u003e\n\u003cli\u003eJumpers have tabs for clamping and flat pads to place test leads on.\u003c\/li\u003e\n\u003cli\u003eSet comes in a blow-molded case for storage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67669989949685,"sku":"MEDLIS56810","price":83.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/56810.jpg?v=1791657813"},{"product_id":"electronic-specialties-308b-fuse-buddy-current-loop-atc-blade","title":"Electronic Specialties 308B Fuse Buddy Current Loop - ATC Blade","description":"\u003cp\u003eThe Fuse Buddy Current Loop for ATC Blade Fuses allows you to easily clamp your current probe over the loop to access the amperage draw through a fused circuit.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eJust clamp your current probe over the loop to access the amperage draw through a fused circuit\u003c\/li\u003e\n\u003cli\u003eEasy testing access, plugs right into fuse socket, no more hand made adapters\u003c\/li\u003e\n\u003cli\u003eCan be used to diagnose a variety of amperage draw problems including: Fuel Pumps, Battery Drains, Blower Motors, Shorts\u003c\/li\u003e\n\u003cli\u003eAlso handy for installers needing to monitor circuit amperage limits\u003c\/li\u003e\n\u003cli\u003e308B can plug into ATC size fuse sockets\u003c\/li\u003e\n\u003cli\u003eTesting range 0-30 Amps DO NOT EXCEED 30 Amps\u003c\/li\u003e\n\u003cli\u003eOne year warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Electronic Specialties","offers":[{"title":"Default Title","offer_id":67670212575477,"sku":"MEDESI308B","price":18.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/308B.jpg?v=1791657885"},{"product_id":"electronic-specialties-193-1224v-diagnostic-relay-buddy-pro-test-kit","title":"Electronic Specialties 193 Diagnostic Relay Buddy Pro Test Kit - 12\/24V","description":"\u003cp\u003eThe Relay Buddy 12\/24 provides an indication of the general health and functioning of relay switch contacts and coils for both 12V and 24V relays.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRelay Buddy 12\/24 provides you with an indication of the general health and functioning of the relay switch contacts and coil\u003c\/li\u003e\n\u003cli\u003eIt will check the control side of the relay by applying a signal to the relay coil while it checks for proper functioning of the relay contacts\u003c\/li\u003e\n\u003cli\u003eRelay Buddy operates the relay several times during each test session as it watches for consistency in every cycle\u003c\/li\u003e\n\u003cli\u003eRelay Buddy will fail the relay and light the RED LED if any one of the cycles proves unsuccessful during the test session\u003c\/li\u003e\n\u003cli\u003eTests both 12V and 24V Relays\u003c\/li\u003e\n\u003cli\u003e3 Diagnostic Trouble Codes help define the cause of the bad relay\u003c\/li\u003e\n\u003cli\u003eQuick off-the-car relay tester\u003c\/li\u003e\n\u003cli\u003eChecks relay coil \u0026amp; switch contacts\u003c\/li\u003e\n\u003cli\u003eAutomatic test with Good\/Bad indication\u003c\/li\u003e\n\u003cli\u003eIncludes 190-4 Shielded Relay Adapters and 190-5 New Relay Adapters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Electronic Specialties","offers":[{"title":"Default Title","offer_id":67670235414773,"sku":"MEDESI193","price":176.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/193.jpg?v=1791657893"},{"product_id":"astro-pneumatic-7760-cordless-circuit-tester","title":"Astro Pneumatic 7760 Cordless Circuit Tester","description":"\u003cp\u003eThe Astro Pneumatic 7760 Cordless Circuit Tester offers a safe and convenient way to test DC powered circuits without the need for a ground wire.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThis unit does not require a ground wire or clip.\u003c\/li\u003e\n\u003cli\u003eSafe with ECMs, Sensors, Transducers, Airbags, etc.\u003c\/li\u003e\n\u003cli\u003eDesigned for use on DC powered circuits with voltages between 3 and 28 volts.\u003c\/li\u003e\n\u003cli\u003eSpecial designed V-Tip needle allows safe piercing and prevents side-slipping when piercing wire's insulation.\u003c\/li\u003e\n\u003cli\u003eV-Tip can be removed to test hard to reach places.\u003c\/li\u003e\n\u003cli\u003eUnit works with replaceable long-life alkaline batteries.\u003c\/li\u003e\n\u003cli\u003eMade of rugged chrome metal.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astro Pneumatic","offers":[{"title":"Default Title","offer_id":67670239609077,"sku":"MEDAST7760","price":13.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/7760.jpg?v=1791657894"},{"product_id":"lisle-69300-master-relay-and-fused-circuit-test-kit","title":"Lisle 69300 Master Relay and Fused Circuit Test Kit","description":"\u003cp\u003eThis Master Relay and Fused Circuit Test Kit makes testing relays or live circuits quick and easy.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMakes testing relays or live circuits quick and easy\u003c\/li\u003e\n\u003cli\u003eIncludes eight jumpers to fit most popular relays\u003c\/li\u003e\n\u003cli\u003eThe jumpers have tabs for clamping and flat pads to place test leads on\u003c\/li\u003e\n\u003cli\u003eIncludes test lead kit for easily and securely connecting relay test jumpers to a multimeter\u003c\/li\u003e\n\u003cli\u003eTerminal leads with switch, fuse, and power options provide easy access to check current or voltage on many fuses and relays used on vehicles today\u003c\/li\u003e\n\u003cli\u003eAlso allows testing of relay configurations not covered by our eight relay test jumpers, like Volkswagen, BMW, and other European vehicles\u003c\/li\u003e\n\u003cli\u003eRelay Puller Pliers easily remove electrical relays without damage to the relay or electrical box\u003c\/li\u003e\n\u003cli\u003eWorks without piercing wires\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67670259925237,"sku":"MEDLIS69300","price":224.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/69300.jpg?v=1791657902"},{"product_id":"atd-55045-3-48v-digital-circuit-tester","title":"ATD 55045 Digital Circuit Tester - 3-48V","description":"\u003cp\u003eThe ATD 55045 Digital Circuit Tester is designed for checking electrical circuits on all 3-48 Volt vehicle systems, providing clear voltage readings.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLarge, backlit LCD display for visible voltage readings\u003c\/li\u003e\n\u003cli\u003eChecks electrical circuits on all 3-48 Volt vehicle systems\u003c\/li\u003e\n\u003cli\u003eImpedance rating of 200-400 ohms\u003c\/li\u003e\n\u003cli\u003e12 foot coiled test lead for extended reach\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATD","offers":[{"title":"Default Title","offer_id":67670641606901,"sku":"MEDATD55045","price":36.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/55045.jpg?v=1791658404"},{"product_id":"lisle-28400-heavy-duty-circuit-tester","title":"Lisle 28400 Heavy Duty Circuit Tester","description":"\u003cp\u003eThis heavy-duty circuit tester is designed for lifetime use, quickly testing low voltage up to 12 Volts with reinforced components for extra durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eQuickly tests low voltage up to 12 Volts\u003c\/li\u003e\n\u003cli\u003eHeavy-duty construction for lifetime use\u003c\/li\u003e\n\u003cli\u003eProbe, handle, cord, and clamp are reinforced for extra durability\u003c\/li\u003e\n\u003cli\u003eComes with a strain relief spring on the cord\u003c\/li\u003e\n\u003cli\u003eCord length is 49 inches\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67670740369653,"sku":"MEDLIS28400","price":16.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/28400.jpg?v=1791658453"},{"product_id":"astro-pneumatic-7764-digital-lcd-3-48v-wide-range-circuit-tester","title":"Astro Pneumatic 7764 Digital LCD Wide Range Circuit Tester - 3-48V","description":"\u003cp\u003eThe Astro Pneumatic 7764 Digital LCD Wide Range Circuit Tester provides accurate voltage readouts for 3-48V systems with its backlit LCD display.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComputer safe with backlit LCD display for accurate voltage readouts.\u003c\/li\u003e\n\u003cli\u003eSmall, ergonomic design for easy use in confined areas.\u003c\/li\u003e\n\u003cli\u003eFor use on cars, boats, trailers, vans, RVs, motorcycles, airplanes, and snowmobiles.\u003c\/li\u003e\n\u003cli\u003eNeedle-sharp stainless steel probe allows for easy piercing.\u003c\/li\u003e\n\u003cli\u003eUse to check electrical circuits and accessories on all 3-48 volt systems.\u003c\/li\u003e\n\u003cli\u003eCable length: 11 foot.\u003c\/li\u003e\n\u003cli\u003eVoltage: DC 3-48V.\u003c\/li\u003e\n\u003cli\u003eCurrent Draw: 3-20V (17mA), 20-48V (10mA).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Astro Pneumatic","offers":[{"title":"Default Title","offer_id":67670811115765,"sku":"MEDAST7764","price":31.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/7764.jpg?v=1791658489"},{"product_id":"lisle-26270-replacement-bulb-for-lis-25600-and-lis-26250","title":"Lisle 26270 Replacement Bulb for LIS-25600 and LIS-26250","description":"\u003cp\u003eThis replacement bulb is compatible with several Lisle tools.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor LIS-25600 and LIS-26250 circuit testers.\u003c\/li\u003e\n\u003cli\u003eAlso fits LIS-32150 power\/ground outlet.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67672564236533,"sku":"MEDLIS26270","price":5.69,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/26270.jpg?v=1791684163"},{"product_id":"atd-5513-heavy-duty-circuit-tester","title":"ATD 5513 Heavy-Duty Circuit Tester - 6 and 12V","description":"\u003cp\u003eThis heavy-duty circuit tester provides an easy way to check 6 and 12V electrical systems in vehicles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEasily checks 6 and 12V systems.\u003c\/li\u003e\n\u003cli\u003eFeatures a 5 foot heavy-duty lead.\u003c\/li\u003e\n\u003cli\u003eTough plastic handle lights up if the circuit is good.\u003c\/li\u003e\n\u003cli\u003eLead remains flexible in low temperatures.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATD","offers":[{"title":"Default Title","offer_id":67672609325301,"sku":"MEDATD5513","price":14.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/5513.jpg?v=1791684178"},{"product_id":"atd-5500-primary-circuit-tester","title":"ATD 5500 Primary Circuit Tester - 6 and 12V","description":"\u003cp\u003eThis primary circuit tester is designed to locate shorts, open circuits, and grounds in vehicle electrical systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor use with 6 and 12V systems.\u003c\/li\u003e\n\u003cli\u003eLocates shorts, open circuits, and grounds.\u003c\/li\u003e\n\u003cli\u003eRequires ignition to be on.\u003c\/li\u003e\n\u003cli\u003eClip to ground anywhere on the vehicle and use the probe to contact the wire or cable being tested.\u003c\/li\u003e\n\u003cli\u003eBulb indicates the condition of the circuit.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATD","offers":[{"title":"Default Title","offer_id":67672619712757,"sku":"MEDATD5500","price":8.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/5500_6c160ebd-b08a-4439-8c25-e7876a1d0c1e.jpg?v=1791684182"},{"product_id":"lisle-24550-computer-safe-circuit-tester","title":"Lisle 24550 Computer Safe Circuit Tester","description":"\u003cp\u003eThis Computer Safe Circuit Tester is designed to safely test automotive circuits without damaging sensitive electronic components.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIndicates polarity (red for positive, green for negative).\u003c\/li\u003e\n\u003cli\u003eSafe for automotive computers.\u003c\/li\u003e\n\u003cli\u003eWill not damage sensitive electronic components.\u003c\/li\u003e\n\u003cli\u003eDraws less than 21mA at 12-Volts DC.\u003c\/li\u003e\n\u003cli\u003eOperating range: 3-28-Volts.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67672689410293,"sku":"MEDLIS24550","price":18.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/24550.jpg?v=1791684205"},{"product_id":"lisle-28830-digital-circuit-tester-3-49v","title":"Lisle 28830 Digital Circuit Tester - 3-49V DC","description":"\u003cp\u003eThis heavy-duty circuit tester features a digital LCD display to accurately show DC voltage.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOperating range of 3-49 volts DC to work on most vehicle electrical systems.\u003c\/li\u003e\n\u003cli\u003eOffers 360 degree visibility of polarity.\u003c\/li\u003e\n\u003cli\u003eA red light indicates positive polarity, while a green light indicates negative polarity.\u003c\/li\u003e\n\u003cli\u003eIncludes a long, 12 foot coil cord and a heavy-duty alligator clamp for secure connections.\u003c\/li\u003e\n\u003cli\u003eThe probe is insulated to prevent the possibility of shorting the side of the probe to other components.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67672695111925,"sku":"MEDLIS28830","price":86.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/28830.jpg?v=1791684207"},{"product_id":"lisle-69250-terminal-leads-w-powerswitchfuse","title":"Lisle 69250 Terminal Leads with Power\/Switch\/Fuse","description":"\u003cp\u003eThis kit provides easy access to check current or voltage on nearly all fuses and relays in vehicles, facilitating electrical diagnostics.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eProvides easy access to check current or voltage on nearly all of the fuses and relays used on vehicles today.\u003c\/li\u003e\n\u003cli\u003eIncludes five pairs of terminal lead wires with different size male and female spade ends, and one set with no ends for custom crimping.\u003c\/li\u003e\n\u003cli\u003eThe in-line switch gives the ability to control the circuit on and off.\u003c\/li\u003e\n\u003cli\u003eStacking banana connectors on the switch allow technicians to connect a multimeter into the circuit to test voltage or current.\u003c\/li\u003e\n\u003cli\u003eInline ATO fuse holder protects the meter being used and the circuit on the vehicle.\u003c\/li\u003e\n\u003cli\u003eTwo 3-1\/2 foot extension lead wires can be used to move the switch away from the electrical panel or to the ground when the vehicle is on a hoist.\u003c\/li\u003e\n\u003cli\u003eThe circuit can be powered for testing by using the power lead connected to the 12V positive side of the battery.\u003c\/li\u003e\n\u003cli\u003eThe kit works without piercing wires.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67672764678389,"sku":"MEDLIS69250","price":42.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/69250.jpg?v=1791684230"},{"product_id":"lisle-25600-handy-hooker-circuit-tester","title":"Lisle 25600 Handy Hooker Circuit Tester","description":"\u003cp\u003eThe Handy Hooker Circuit Tester features a hooded probe for protection and automatic wire centering, making it easy to use in tight spaces.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHooded probe protects fingers and automatically centers the wire.\u003c\/li\u003e\n\u003cli\u003eSmall size allows easy use even in the tightest places.\u003c\/li\u003e\n\u003cli\u003eQuickly tests low voltage up to 28 volts.\u003c\/li\u003e\n\u003cli\u003eAlligator clip grounds the tester.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67672790663413,"sku":"MEDLIS25600","price":27.17,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/25600.jpg?v=1791684238"},{"product_id":"lisle-28620-28620-circuit-tester-with-buzzer","title":"Lisle 28620 Circuit Tester with Buzzer","description":"\u003cp\u003eThe Lisle 28620 Circuit Tester is a heavy-duty tool that signals with both a light and a buzzer.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTests low voltage up to 28 volts.\u003c\/li\u003e\n\u003cli\u003eThe spring-loaded hook can be removed to use the probe tip only.\u003c\/li\u003e\n\u003cli\u003eCan also be used to check polarity and battery drain.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67672996479221,"sku":"MEDLIS28620","price":24.22,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/28620.jpg?v=1791684306"},{"product_id":"lisle-29050-digital-circuit-tester-3-30v","title":"Lisle 29050 Digital Circuit Tester - 3-30V DC","description":"\u003cp\u003eThis digital circuit tester provides clear polarity indication and a wide operating range for vehicle electrical systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFeatures 360 degree visibility of polarity.\u003c\/li\u003e\n\u003cli\u003eOperating range of 3-30 volts DC to work on most vehicle electrical systems.\u003c\/li\u003e\n\u003cli\u003eThe probe is insulated to prevent the possibility of shorting the side of the probe to other components.\u003c\/li\u003e\n\u003cli\u003eIncludes a 47 inch cord and a heavy-duty alligator clamp for secure connections.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Lisle","offers":[{"title":"Default Title","offer_id":67672999395573,"sku":"MEDLIS29050","price":67.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/29050.jpg?v=1791684307"},{"product_id":"atd-55042-1242-volts-hybrid-circuit-tester","title":"ATD 55042 Hybrid Circuit Tester - 12\/42 Volts","description":"\u003cp\u003eThis hybrid circuit tester is designed for use with both 12-Volt and 42-Volt hybrid systems, featuring automatic voltage identification.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFor 12-Volt and 42-Volt Hybrid Systems.\u003c\/li\u003e\n\u003cli\u003eAutomatic Voltage Identification: BLUE LED for 12V and RED LED for 42V.\u003c\/li\u003e\n\u003cli\u003ePointed probe tests through wire insulation.\u003c\/li\u003e\n\u003cli\u003eComputer and Air Bag safe.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATD","offers":[{"title":"Default Title","offer_id":67673050874101,"sku":"MEDATD55042","price":23.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/55042.jpg?v=1791684326"},{"product_id":"otc-3631-heavy-duty-logic-probe-tester","title":"OTC 3631 Heavy-Duty Logic Probe Tester","description":"\u003cp\u003eThe OTC 3631 Heavy-Duty Logic Probe Tester features a multi-functional design for testing a range of 3-26 volts in various automotive systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMulti-functional design allows testing range of 3-26 volts\u003c\/li\u003e\n\u003cli\u003eBright red and green LEDs interpret voltage signals such as ground, power, and frequency\u003c\/li\u003e\n\u003cli\u003eTests fuel injectors, solenoids, presence of serial data, and tach reference signals\u003c\/li\u003e\n\u003cli\u003ePerforms output tests on MAF, Cam, Crank, Hall Effect VRS sensors and more\u003c\/li\u003e\n\u003cli\u003eHigh impedance input compatible with computer circuits and sensors\u003c\/li\u003e\n\u003cli\u003eAir bag safe\u003c\/li\u003e\n\u003cli\u003e12 foot, heavy-duty, twin clip, red coil cord lead\u003c\/li\u003e\n\u003cli\u003eChecks 6-, 12-, and 24-volt systems\u003c\/li\u003e\n\u003cli\u003eErgonomic, slim designed clear handle\u003c\/li\u003e\n\u003cli\u003ePositive contact molded strain relief\u003c\/li\u003e\n\u003cli\u003eHeavy-duty stainless steel probe with insulated shaft\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OTC","offers":[{"title":"Default Title","offer_id":67673219137781,"sku":"MEDOTC3631","price":43.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/3631.jpg?v=1791684823"},{"product_id":"electronic-specialties-582-deluxe-dmm-with-amp-shutters","title":"Electronic Specialties 582 Deluxe DMM with Amp Shutters","description":"\u003cp\u003eThe Electronic Specialties 582 Deluxe DMM with Amp Shutters is a great meter for electrical troubleshooting, featuring a large backlit LCD display and safety-enhancing amp shutters.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHuge 2 inch LCD display, easy to see from across the room.\u003c\/li\u003e\n\u003cli\u003eDisplay is backlit for use in dark spaces.\u003c\/li\u003e\n\u003cli\u003eAmp Shutters prevent mistaken operation, improve safety, and save fuses by blocking unused amp jacks.\u003c\/li\u003e\n\u003cli\u003e11 test functions, 33 test ranges.\u003c\/li\u003e\n\u003cli\u003eMeasures temperature in both Fahrenheit and Celsius; probe included.\u003c\/li\u003e\n\u003cli\u003eDesirable 20 Amp test range.\u003c\/li\u003e\n\u003cli\u003eModern design with built-in protective holster.\u003c\/li\u003e\n\u003cli\u003eData hold function.\u003c\/li\u003e\n\u003cli\u003eTest functions: AC\/DC Voltage; Resistance; AC\/DC Current; Temperature in C and F; Frequency (Hz); Capacitance; Continuity; Diode Test.\u003c\/li\u003e\n\u003cli\u003eApplications: Automotive, Heavy Duty, Marine, RV, Equipment.\u003c\/li\u003e\n\u003cli\u003eIncludes carrying case, test leads, temperature probe, instructions, and battery.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Electronic Specialties","offers":[{"title":"Default Title","offer_id":67673257738485,"sku":"MEDESI582","price":106.48,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/582.jpg?v=1791684836"},{"product_id":"otc-3634-heavy-duty-straight-cord-circuit-tester","title":"OTC 3634 Heavy-Duty Straight Cord Circuit Tester - 5 foot","description":"\u003cp\u003eThis heavy-duty circuit tester is designed for testing electrical circuits and locating shorts, grounds, and open circuits.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e5-foot heavy-duty cord.\u003c\/li\u003e\n\u003cli\u003eChecks 6- and 12-volt systems.\u003c\/li\u003e\n\u003cli\u003eErgonomic, slim designed clear handle.\u003c\/li\u003e\n\u003cli\u003eBright red, slim style replaceable bulb.\u003c\/li\u003e\n\u003cli\u003ePositive contact-molded strain relief.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty, stainless steel probe with insulated shaft.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty clip with positive soldered connection.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OTC","offers":[{"title":"Default Title","offer_id":67673307611381,"sku":"MEDOTC3634","price":28.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/3634.jpg?v=1791684853"},{"product_id":"cal-van-tools-81-logic-light-circuit-tester","title":"Cal-Van Tools 81 Logic Light Circuit Tester","description":"\u003cp\u003eThe Cal-Van Tools 81 Logic Light Circuit Tester is a self-powered tool that removes guesswork when testing live and non-live 6V, 12V, and 24V DC electrical systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePatented LED edge-lighting illuminates the handle red when power has been detected and green when grounded.\u003c\/li\u003e\n\u003cli\u003eInternal power source allows user to test live and non-live DC systems (battery included).\u003c\/li\u003e\n\u003cli\u003eSave time by easily confirming a grounded circuit.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Cal-Van Tools","offers":[{"title":"Default Title","offer_id":67673360597237,"sku":"MEDCAL81","price":26.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/81.jpg?v=1791684871"},{"product_id":"otc-3636-heavy-duty-coil-cord-circuit-tester","title":"OTC 3636 Heavy-Duty Coil Cord Circuit Tester - 12 foot","description":"\u003cp\u003eThis heavy-duty circuit tester is designed for testing electrical circuits and locating shorts, grounds, and open circuits.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-foot, heavy-duty, red coil cord lead.\u003c\/li\u003e\n\u003cli\u003eChecks 6- and 12-volt systems.\u003c\/li\u003e\n\u003cli\u003eErgonomic slim designed clear handle.\u003c\/li\u003e\n\u003cli\u003eBright red, slim style replaceable bulb.\u003c\/li\u003e\n\u003cli\u003ePositive contact molded strain relief.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty, stainless steel probe with insulated shaft.\u003c\/li\u003e\n\u003cli\u003eHeavy-duty clip with positive soldered connection.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OTC","offers":[{"title":"Default Title","offer_id":67673645514997,"sku":"MEDOTC3636","price":24.22,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/3636.jpg?v=1791684987"},{"product_id":"otc-3642-12v24v-truck-circuit-tester","title":"OTC 3642 Truck Circuit Tester - 12V\/24V","description":"\u003cp\u003eThis truck circuit tester is designed for use on 12-volt and 24-volt systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eWorks on 12-24 volt systems.\u003c\/li\u003e\n\u003cli\u003eFeatures 7 inch stainless steel probe.\u003c\/li\u003e\n\u003cli\u003e24 foot coil cord.\u003c\/li\u003e\n\u003cli\u003eExtra large clamp.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OTC","offers":[{"title":"Default Title","offer_id":67673668059381,"sku":"MEDOTC3642","price":40.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1743\/4357\/files\/3642.jpg?v=1791684999"}],"url":"https:\/\/www.upstartautoparts.com\/collections\/diagnostic-equipment-circuit-testers.oembed","provider":"UpStart Auto Parts \u0026 More","version":"1.0","type":"link"}