Universal Diagnostic & Testing Tools
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Electronic Specialties®Troubleshooting Book (184)Universal Troubleshooting Book by Electronic Specialties®. Complete 200-page guide to all aspects of electrical equipment troubleshooting - explained in a way that makes it useful in the store. Written by a mechanic for real, practice...Batteries/TestingRelays, potentiometers, resistors, and solenoids$52.82 - S&G Tool Aid®12 V Intermittent Short Finder Short Finder (25300)Universal 12 V Intermittent Short Finder Short Finder by S&G Tool Aid®. Use this device with audio signal to indicate when intermittent short circuit occurs with vehicle at rest or on road test. After faulty system is indicated, use to...Use this short finder with audio signal to indicate when intermittent short circuit occurs with vehicle at rest or on road testAfter faulty system is indicated, use to find short location$77.40
- S&G Tool Aid®12 V Short Finder Circuit Tester (25100)Universal 12 V Short Finder Circuit Tester by S&G Tool Aid®. Use to locate shorts quickly and inexpensively in 12 volt automotive circuits. Eliminates need to remove upholstery and floor coverings. Operates through metal parts, panels,...Use to locate shorts quickly and inexpensively in 12 volt automotive circuitsEliminates need to remove upholstery and floor coverings$52.60
- S&G Tool Aid®30" Jumper Twins Test Leads (22900)Universal 30" Jumper Twins Test Leads by S&G Tool Aid®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your electrical system maintenance needs,...Designed for your maintenance needsMade from high-grade material for a long lifespan$9.17
- S&G Tool Aid®Perma-Coil™ Jumper Test Leads (23150)Universal Perma-Coil™ Jumper Test Leads by S&G Tool Aid®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your electrical system maintenance needs,...High quality retractile leads for all purpose circuit jumping and testingEliminates tangling$22.56
- S&G Tool Aid®Protect-A-Terminal™ 6 V/12 V/24 V Computer Safe Automotive Circuit Tester (28100)Universal Protect-A-Terminal™ 6 V/12 V/24 V Computer Safe Automotive Circuit Tester by S&G Tool Aid®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for...Our most computer safe circuit testerHigh impedance - the current draw is less than 7 milliamps to protect all vehicle circuits$17.20
- S&G Tool Aid®Protect-A-Terminal™ 6 V/12 V/24 V Heavy Duty Automotive Circuit Tester (28000)Universal Protect-A-Terminal™ 6 V/12 V/24 V Heavy Duty Automotive Circuit Tester by S&G Tool Aid®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your...Our most computer safe circuit testerHigh impedance - the current draw is less than 7 milliamps to protect all vehicle circuits$15.65
- Dorman®1" Insulated Alligator Clips (85650)Universal 1" Insulated Alligator Clips by Dorman®. Dorman offers a comprehensive line of Alligator Clips for almost any automotive electrical repair. All Alligator Clips are constructed of high-quality materials for long-lasting...Conveniently packaged in a variety of piece counts to assist with both small and large projectsAlso suitable for a broad range of household, industrial and commercial uses$1.73
- Dorman®1-1/2" Alligator Clip with Screw (85652)Universal 1-1/2" Alligator Clip with Screw by Dorman®. Dorman offers a comprehensive line of Alligator Clips for almost any automotive electrical repair. All Alligator Clips are constructed of high-quality materials for long-lasting...Conveniently packaged in a variety of piece counts to assist with both small and large projectsAlso suitable for a broad range of household, industrial and commercial uses$1.91
- Dorman®10' Test Leads (84610)Universal 10' Test Leads by Dorman®. Dorman's retractable test leads are indispensable for having on hand in the shop or the garage. Save time by keeping them visible and available: the magnetic backing on the case firmly affixes to...Essential for reliable testing of electrical circuitsEasy to use$9.27
- Dorman®12 V Alternator and Battery Tester (84502)Universal 12 V Alternator and Battery Tester by Dorman®. Dorman offers a comprehensive line of Electrical Multi-Testers for almost any automotive repair. All Electrical Multi-Testers are constructed of high-quality materials for...Testers light up and/or buzz to indicate testing resultDurably designed for a long service life$9.71
- Dorman®15" Multi Purpose Ground Strap (60213)Universal 15" Multi Purpose Ground Strap by Dorman®. Dorman offers a line of Body Electrical Ground Straps for a wide range of applications. All Body Electrical Ground Straps are constructed of high-quality materials for long-lasting...Strap measures 15" in length to cover most usesMade of copper for high conductivity$4.24
- Dorman®3/8" Copper Ring Lugs with Insulation (86184)Universal 3/8" Copper Ring Lugs with Insulation by Dorman®. Dorman offers a comprehensive line of Copper Lugs for almost any automotive repair. All Copper Lugs are constructed of high-quality materials for long-lasting durability.Conveniently packaged in a variety of piece counts to assist with both small and large projectsAlso suitable for a broad range of industrial and commercial uses$3.63
- Dorman®399-piece Automotive Electrical Repair Kit with Case (86689C)Universal 399-piece Automotive Electrical Repair Kit with Case by Dorman®. Electrical Diagnostic and Repair Kit contains an assortment of the most popular items needed to complete electrical repairs. Conveniently packaged in a reusable...A cost-efficient and time-saving alternative to purchasing each component separatelyConveniently packaged in a durable plastic tray for protected storage$24.91
- Dorman®9" Computer Safe Test Probe (86602)Universal 9" Computer Safe Test Probe by Dorman®. For accurate testing of voltage and amperage sensitive circuits, use Diagnostic Test Probes. Replacement is constructed of high-quality materials for durability and a longer service life.Quality plastic, copper, and aluminum constructionSafe to use on computer controlled circuits$22.17
- Dorman®Un-insulated Alligator Clip Leads (85654)Universal Un-insulated Alligator Clip Leads by Dorman®. Dorman offers a comprehensive line of Alligator Clips for almost any automotive electrical repair. All Alligator Clips are constructed of high-quality materials for long-lasting...Many different lengths availableConveniently packaged in a variety of piece counts to assist with both small and large projects$2.70
- Milton®Battery TesterUniversal Battery Tester by Milton®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality...Tests 6 and 12 volt batteriesAnalog display is easy to read$52.11 - $69.41
- Milton®Circuit TesterUniversal Circuit Tester by Milton®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your electrical system maintenance needs, delivering features and...Designed for your maintenance needsMade from high-grade material for a long lifespan$10.19 - $15.02
- Robinair®Wi-Fi/Temperature Probes Master Kit (80211TMP)Universal Wi-Fi/Temperature Probes Master Kit by Robinair®. With a wireless connection, read and track temperature from multiple vehicle locations from your A/C machine. The 2-probe kit can be used to compare internal cabin vent...Wirelessly reads internal cabin vent temp in multiple locations or cabin vent temp and outside tempAdd before and after vent temps to vehicle report to help explain service performed$521.88
- ATD®12 V 500 A Variable Carbon Pile Battery Load Tester (5489)Universal 12 V 500 A Variable Carbon Pile Battery Load Tester by ATD®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your electrical system maintenance...Tests 12V batteries, alternators and startersTests batteries to 1000 CCA$141.95
- Associated Equipment®0 to 12 V 125 A Alternator or Battery Tester (6031)Universal 0 to 12 V 125 A Alternator or Battery Tester by Associated Equipment®. Tests for defective alternators diodes including GM trio test, and performs complete battery test as well. 125 amp load checks state of charge on...Powerful PerformanceTests for defective alternatordiodes including GM trio test$171.09
- Associated Equipment®0 to 16 V 125 A Durable Handheld Battery Tester (6029)Universal 0 to 16 V 125 A Durable Handheld Battery Tester by Associated Equipment®. Tests battery state of charge, cranking ability, charging system output Checks for excessive stater motor draw. This product is made of high-quality...Powerful PerformanceTest 6 and 12 volt batteries alternators and starters$130.68
- Associated Equipment®0 to 16 V 135 A Handheld Battery Load Tester (6026)Universal 0 to 16 V 135 A Handheld Battery Load Tester by Associated Equipment®. This test evaluates the battery's ability to crank an engine. The tester draws current from the battery while measuring its voltage level. The voltage...Great value priced battery testerCables extend out from bottom of handle for safe and convenientuse$78.83
- Associated Equipment®7 V to 19 V 125 A Digital Battery Load Tester (6033)Universal 7 V to 19 V 125 A Digital Battery Load Tester by Associated Equipment®. Digital 125 Amp load tester that computes the CCA of the battery. The heavy load enables the 6033 to detect bad batteries that are sometimes missed by the...Kelvin connected digital meter displays the following values:Current Battery Voltage$176.32
- Auto Meter®DPL Technology™ Intelligent Handheld Battery TesterUniversal DPL Technology™ Intelligent Handheld Battery Tester by Auto Meter®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It...Tests flooded, deep cycle, and AGM batteries with also detects discharged batteries, bad cells, and has built in reverse polarity protectionThis tester applies a true load to the battery in order to simulate real world operating conditions consistent$414.36 - $906.95
- Auto Meter®Variable Electrical System and Battery Load TesterUniversal Variable Electrical System and Battery Load Tester by Auto Meter®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will...Designed to help to get your job done rightManufactured utilizing the highest quality materials$579.95 - $2,757.95
- Battery Doctor®12 V/24 V Circuit and Spark Plug Tester (21049)Universal 12 V/24 V Circuit and Spark Plug Tester by Battery Doctor®. Battery Doctor’s high quality tester instantlylocates wiring problems such as bad con-nections, faulty or broken wires and socketsin 12V to 24V systems. A light...Designed for your maintenance needsMade from high-grade material for a long lifespan$17.10
- CDI Electronics®Diagnostic Test Kit (511-9904)Universal Diagnostic Test Kit by CDI Electronics®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your electrical system maintenance needs, delivering...Designed for your maintenance needsMade from high-grade material for a long lifespan$722.57
- CTA®92-piece Master Line Kit (7662)Universal 92-piece Master Line Kit by CTA®. Your electrical system maintenance will be easier with this high-quality product. It is specially developed and manufactured for your electrical system maintenance needs, delivering features...Comprehensive electrical testing kit for cars, trucks, tractors, ATVs, Motorcycles, boats & moreEffortlessly analyze voltage, continuity, impedance and current$270.99
- CTEK®Comfort Indicator Pigtail (56-564)Universal Comfort Indicator Pigtail by CTEK®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...An INDICATOR is the easiest way to monitor the charge in your batteryAn accurate voltage reading for your battery is displayed two hours after you’ve used your vehicle$11.51
