Electrical Testers, Test Leads
electrical testers, test leads β pre-owned
Browse 836 electrical testers, test leads β pre-owned on eBay β listings updated every few minutes. All items are pre-owned and sold by eBay sellers directly.

Matco Tools RTK820 Delux Relay Kit Autimotive Diagnostic Relay Test Jumpers
Matco Tools RTK820 Delux Relay Kit Autimotive Diagnostic Relay Test Jumpers. Condition is Used. Shipped with USPS Ground Advantage.

Snap On Refrigerant Diagnostic Tool Featuring Blend ID EEAC312C
The Snap On Refrigerant Diagnostic Tool featuring Blend ID EEAC312C is a specialized tool designed for automotive maintenance and repair. This diagnostic tool is specifically used to detect and diagnose issues related to refrigerants in vehicles, ensuring accurate blending of these substances for optimal performance. With its advanced features and compatibility with various vehicle models, this tool is essential for automotive professionals looking to efficiently and effectively troubleshoot and repair refrigerant systems.

Rotunda Body Electrical System Analyzer GGRE455 Ford Mercury Equipment #1043
Part # GGRE455. Plastic covers are cracked. Not tested. Great for display. Our show quality work has won awards going back to 1980. Condition: USED. Serial # 45.

Power Probe PP3 EXREDAS With case extra long leads, Instructions Tested & workin
Here we have a Power Probe Tek PP# EZREDAS.

Vintage Sun Electric VAT 40 1215 1115 1015 NOS 6005-139 Current pickup lead
This listing is for (1) 100% NOS Current pickup lead. I am told that it fits the VAT 40, and it may fit 1015, 1115 and 1215 machines as well. This lead is in excellent NOS condition. This is one of many items I've acquired from a retired distributor's remaining stock. No returns. No refunds. There is no mystery here. No cancellations for accidental purchases. What you see is what you get. Check my other listings for more Sun Electric parts in the coming days and weeks. I always combine shipping and refund the difference.
You save $13.49

Power Probe PP401AMZ01 Power Probe 4 The Ultimate in Circuit Testing - FAST SHIP
Model: PP401AMZ01. Includes: Circuit Testing in case and leads.

Power Probe ECT3000 Electrical Circuit Tester Short/Open
You are purchasing a Power Probe ECT3000 Electrical Circuit Tester Short/Open. Included in the kit is everything in the picture above.
You save $5.00

Power Probe PPROKIT01 Professional Testing Electrical Kit Power Probe III, PPDMM
You save $37.50

Power Probe PPKIT02 Automotive Electrical Test Kit With Accessories. Tested.
*****there is damage in the power probe cord as shown in the pictures. The power prob still functions correctly The Power Probe PPKIT02 Automotive Electrical Test Kit is a comprehensive diagnostic tool designed specifically for automotive use. This kit includes various probes and accessories necessary for testing electrical systems in vehicles, with a voltage range of 12 Volts. Manufactured by Power Probe, known for quality automotive tools, this kit is essential for troubleshooting and maintaining vehicle electrical systems efficiently.

Power Probe PPDRAW Parasitic Drain Monitor with OBDII Connection + Case
This item is USED. (OK, J90058771). 06/05 /2026.

Snap On Tools Circuit Tester CT4D 6-12 Volts
The Snap On Tools Circuit Tester CT4D is a high-quality diagnostic tool designed for passenger vehicles with a 12-volt system. Made in the United States, this unit includes probes for easy testing and troubleshooting.

Vintage Sun Exhaust Performance Analyzer Hose & Probe EPA 75 1015 1115 1215 NOS
This should be compatible with any of the exhaust gas analyzer equipped machines. EPA 75 or TUT 1015 1115 1215 etc. What you see is what you get. There is no mystery here.
You save $34.49

NU-DI Corporation Universal Flex Probe Kit P/N 420-330!
NUDI Corporation Universal Flex Probe Kit P/N 420-330!

Bosch D-Jetronic Mercedes fuel injector tester
Bosch D-Jetronic fuel injector tester for Mercedes. Working condition is unknown but looks to be in good condition.

Miller / Mopar Tools 9001 RF Detector Tool Daimler Chrysler
Miller / Mopar Tools 9001 RF Detector Tool Daimler Chrysler Used in a recently closed Chrysler dealership. Minor stains to the plastic from mechanics hands . The on/off button has the top plastic removed . Tested to make sure works with a wireless key fob . Free USPS ground shipping to all buyers in the USA.

Snap-On Tools USA EECT300B Circuit Continuity 12V Tester Probe
The Snap-On Tools USA EECT300B Circuit Continuity 12V Tester Probe is a high-quality tool designed for automotive electrical testing. Made in the United States by Snap-On, a trusted brand in the industry, this probe is specifically designed to test circuit continuity at 12 volts. this is used and the tip has some were on it but it works great it is just not as pointy as it should be

Snap On Tools 12v Circuit Tester Test Light EECT301A LED power and ground
I have a used in good condition Snap On Tools 12v Circuit Tester Test Light EECT301A LED this detects power and ground and open circuits. This plugs in to a 12v outlet not directly to the battery. this has a green and a red light both on means it is on or open circuit red shows 12 volts and green shows ground

Lot of 2 Snap-On Tools 12V Circuit Tester(Lighter Plug Coil) EECT301A & EECT306A
These are untested, but appear to be in good working condition. Feel free to reach out if you have questions or need to see better pictures. You get both testers pictured.

Vintage Sun Electric 1011 1215 1115 1015 NOS 6004-262-2 Trigger Lead 12 Foot
May fit 1115 and 1015 machines as well. This lead is in excellent NOS condition. What you see is what you get.
You save $11.99

Innova PowerCheck Circuit Tester - 5420
If you like to work on your own vehicle, this is perfect to test circuits from 3 Volts up to 24 Volts. Lightly used, if at all, screen protector still on. Long cord to reach everything in your vehicle.

General Technologies GTC FF310 Short and Open Circuit Finder and Tracer Set
The General Technologies GTC FF310 Short and Open Circuit Finder and Tracer Set is a high-quality diagnostic tool designed for automotive use. Manufactured by General Technologies, this set includes the FF310 model, specifically designed to quickly identify short and open circuits in electrical systems. This product is essential for troubleshooting and maintenance tasks, providing accurate and efficient results for vehicle repairs. With this circuit finder and tracer set, automotive professionals can streamline their diagnostic process and ensure precision in their work.

Snap-on Tools SIA 2000 Distributorless Secondary Ignition Adapter - EAA0274E05B
Good working. In nice shape.

Vintage Sun Electric BCP Battery Cell Probes NOS VAT 40 VAT BST 11 10
This listing is for (1) set of 100% NOS Battery Cell Probes, model BCP. These are intended for use with the BST ( Battery Starter Tester ) series of machines or the Voltage Amperage Tester ( VAT ) series of machines. No returns. No refunds. There is no mystery here. No cancellations for accidental purchases. What you see is what you get. Check my other listings for more Sun Electric parts in the coming days and weeks. I always combine shipping and refund the difference.
You save $7.49

Snap-On Tools MT302BR Remote Starter Switch Push Button Mechanic Automotive Tool

Snap On Tools 6 And 12 Volt Circuit Tester USA CT4E
Snap On Tools 6 And 12 Volt Circuit Tester USA.Part number: CT4E.Tool has some scratches,marks,discoloration.Otherwise in good working condition.Please view pictures.

ALLTEST 5100 DC Amp Probe Clamp Auto Truck Diagnostic Tester w/ Manuals LN
ALLTEST 5100 DC Amp Probe Auto & Truck Diagnostic Clamp Tester Complete LN. Up for sale is an ALLTEST Model 5100 DC Amp Probe, designed for automotive and truck electrical diagnostics. Manufacturer: ALLTEST Inc.

Kingbolen ECT600 Automotive Circuit/Battery/Injector Tester Case & Manual 0-80V
Perfect for troubleshooting electrical circuits, batteries, and injectors, this tester is a must-have for anyone looking to diagnose and repair issues with their vehicle.

Vintage Sun Electric 1215 Computer II NOS 6004-0336 Low Temp Lead
What you see is what you get.
You save $17.99

Relay Buddy 12/24 MATCO TOOLS
The Relay Buddy 12/24 MATCO TOOLS is a diagnostic service tool designed for automotive use. Specifically, it allows for relay and component testing, making it a valuable tool for troubleshooting electrical issues in vehicles. The carrying case and clamps included with the unit make it convenient to use and store. Made by Matco Tools, a trusted brand in the industry, this unit operates at 12/24 volts and is compact, making it a must-have for any automotive technician or car enthusiast looking to diagnose and repair electrical components.

Vintage Sun Electric 740 1020 10 ft. Pattern Pickup Lead with 1747-101 clamp NOS
This is listed as correct for 740 and 1020 sun scope and tune up tester machines, but may fit other machines as well. This lead is in excellent NOS condition. What you see is what you get.

Blue-Point / Snap-On Starter Circuit Tester - Start Check - NEW Snap On, M0614

Lot Of 4 RAT-PAK S150 S250 S450 S550 Chevy Ford Toyota Mitsubishi
Lot Of 4 RAT-PAK S150 S250 S450 S550 Chevy Ford Toyota Mitsubishi Compass everything you see in the picture no power supplies included. Not sure if all parts are here.. See pictures for more details

Electronic Specialties AC DC Current Clamp 695 80 Amp Red
Great condition. Works perfectly.

SNAP-ON AMBER HARD HANDLE CIRCUIT TESTER #CT4D
SNAP-ON #CT4D.

Snap-on Tools CT4C Test Light Circuit Tester 12v Automotive Test Lamp(T)
This Snap-On Tools 12 V test light does not work. Cord is very brittle and broke in several spots. See photos. I no longer have a snap on dealer so I canβt get it warranty, but maybe you can. Buyer will receive free shipping for USPS ground advantage. Any questions just ask. Check out the rest of my quality tools on eBay. Thanks for looking.

Vintage Sun Electric 1438-2 Solenoid Starter Switch Remote Starter NOS 1960's
This is a universal tool that allows for cranking and starting engines from under the hood. It is in excellent NOS condition. Not a common tool to find NOS! What you see is what you get.
You save $7.49

Vintage Sun Electric NOS 1020 1015 6002-324 HEI Adapter Cable
This listing is for (1) 100% NOS 6002-324 HEI Adapter Cable. It should fit any of the analyzers with a Sun Scope such as the 940, 945, 947, 1120, 1160, 1015, 1115, 1215, etc.. It definitely fits the 1160 940 945 947 analyzers. May fit others as well. Do your own research, please. This lead is in excellent NOS condition. This is one of many items I've acquired from a retired distributor's remaining stock. No returns. No refunds. There is no mystery here. No cancellations for accidental purchases. What you see is what you get. Check my other listings for more Sun Electric parts in the coming days and weeks. I always combine shipping and refund the difference.
You save $3.74

S & G Tool Aid 28350 - Circuit Tester/Test Light Digital Display Mint
S & G Tool Aid 28350 - Circuit Tester/Test Light Digital Display. Like new. Used once. No markings. Fast shipping. Thanks for looking. Please check out my other top quality professional mechanic tools in my store.

White Industries by Neutronics Deluxe Refrigerant Diagnostic Tool RI-2002DF
The White Industries by Neutronics Deluxe Refrigerant Diagnostic Tool RI-2002DF is a diagnostic tool designed for use with passenger vehicles and heavy-duty/commercial vehicles. It features a digital display and operates on regular 120V current. This tool comes with a carrying case for easy portability and is manufactured in the United States. Although it does not come with a warranty, it is a reliable and high-quality product for automotive maintenance and repair professionals.

Vintage Sun Electric 1115 1015 1400 NOS 6004-249 Volt Lead Assembly 10.5 Foot
This lead is in excellent NOS condition. What you see is what you get.
You save $12.74