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Circuit Testers/Short Finders

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ItemBrief DescriptionPriceQty. 
Astro Pneumatic 7760 Cordless Circuit Tester (SKU AP7760) Astro Pneumatic 7760 Cordless Circuit Tester SKU AP7760
Details, Pics & Accessories
This unit does not require ground wire or clip and is safe with ECMs, Sensors, Transducers, Airbags, etc.
Designed to be used on DC powered circuits with voltag...
$10.73
Electronic Specialties 220 220 Trailer Buddy 4/5 Pin - One Man Trailer Wiring Tester (SKU ESI220) Electronic Specialties 220 220 Trailer Buddy 4/5 Pin - One Man Trailer Wiring Tester SKU ESI220
Details, Pics & Accessories
? Tests 4 and 5 Pin Flat connector wiring? Each signal from vehicle will emit a unique tone? One person makes complete test in 30 seconds!? Just apply brakes, t...
$21.00
Electronic Specialties 304B Fuse Buddy Tester - ATC Fuse (SKU ESI304B) Electronic Specialties 304B Fuse Buddy Tester - ATC Fuse SKU ESI304B
Details, Pics & Accessories
Blowing Fuses? Plug in the FUSE BUDDY Tester and read circuit amperage draw and voltage.
Original fuse is replaced in-line during testing, thereby maintaining...
$21.32
Electronic Specialties 305M 30 Amp Fuse Buddy Tester “ Mini (SKU ESI305M) Electronic Specialties 305M 30 Amp Fuse Buddy Tester “ Mini SKU ESI305M
Details, Pics & Accessories
New High Amp Fuse Buddy can test 30 Amp circuits
Blowing Fuses? Plug in the FUSE BUDDY and read the circuit amperage draw.
$22.35
Electronic Specialties 306B 30 Amp Fuse Buddy Tester “ ATC Blade (SKU ESI306B) Electronic Specialties 306B 30 Amp Fuse Buddy Tester “ ATC Blade SKU ESI306B
Details, Pics & Accessories
New High Amp Fuse Buddy can test 30 Amp circuits
Blowing Fuses? Plug in the FUSE BUDDY and read the circuit amperage draw.
$22.35
EQUUS 3420 3420 Smart Test Light (SKU EQS3420) EQUUS 3420 3420 Smart Test Light SKU EQS3420
Details, Pics & Accessories
Designed to safely check voltage and/or ground on several electronic systems, including wiring, fuses, battery, cabling, sensors, switches, and more
Features ...
$21.04
Innovative Products 7865 Circuit Chaser and 7-Pin Flat Tester (SKU INN7865) Innovative Products 7865 Circuit Chaser and 7-Pin Flat Tester SKU INN7865
Details, Pics & Accessories
The Circuit Chaser does "One-Man Testing" for male and female 7-Pin tractor trailer plugs and much more!
Troubleshoots tractor trailer circuits.
$29.99
Innovative Products 8005 Fuse Saver (SKU INN8005) Innovative Products 8005 Fuse Saver SKU INN8005
Details, Pics & Accessories
Allows you to move about the vehicle while checking for shorts in the electrical system
3 resetting breaker handles - 10, 15, and 20 amps
$59.29
K-D Tools 129 Low-Voltage Circuit Tester (SKU KD129) K-D Tools 129 Low-Voltage Circuit Tester SKU KD129
Details, Pics & Accessories
Test for voltage in 6 and 12V systems by grounding the clip and touching the probe to the point being tested. The tester bulb will light if power is present.
$12.80
K-D Tools 2646 Low-Voltage Circuit Tester (SKU KD2646) K-D Tools 2646 Low-Voltage Circuit Tester SKU KD2646
Details, Pics & Accessories
Circuit tester for 6 and 12V electrical systems is ideal for the home mechanic. It quickly checks headlight, taillight and turn signal circuits, faulty sockets,...
$8.81
K-D Tools 2647 Circuit Continuity Tester (SKU KD2647) K-D Tools 2647 Circuit Continuity Tester SKU KD2647
Details, Pics & Accessories
Designed for the home mechanic, this tool safely tests circuits with power off. Ideal for testing fuses, grounds, shorts, contacts, diodes and open circuits. In...
$6.10
K-D Tools 2649 Circuit and Spark Plug Tester (SKU KD2649) K-D Tools 2649 Circuit and Spark Plug Tester SKU KD2649
Details, Pics & Accessories
Checks 6 and 12V circuits for voltage and checks spark plug for spark. Place probe in end with regular bulb to check low voltage. Checks headlights, taillights,...
$8.07
Lisle 24550 Computer Safe Circuit Tester (SKU LIS24550) Lisle 24550 Computer Safe Circuit Tester SKU LIS24550
Details, Pics & Accessories
Safe for automotive computers. Won?t damage sensitive electronic components. Draws less than 21 mA. at 12 volts DC. Operating range 3-28 volts. The red light in...
$13.44
Lisle 25600 Handy Hooker Circuit Tester (SKU LIS25600) Lisle 25600 Handy Hooker Circuit Tester SKU LIS25600
Details, Pics & Accessories
Hooded probe protects your fingers and automatically centers the wire. Small size allows easy use even in the tightest places. Quickly test low voltage up to 28...
$11.92
Lisle 26200 Continuity Tester (SKU LIS26200) Lisle 26200 Continuity Tester SKU LIS26200
Details, Pics & Accessories
Check continuity on wires, fuses, switches and other electrical systems. Just clip lead to one end of wire in question. Probe other end of wire. If bulb lights ...
$8.04
Lisle 28400 Heavy Duty Circuit Tester (SKU LIS28400) Lisle 28400 Heavy Duty Circuit Tester SKU LIS28400
Details, Pics & Accessories
Quickly tests low voltage up to 28 volts. A heavy duty circuit tester for lifetime use. The probe, handle, cord and clamp are reinforced for extra durability. C...
$12.10
Lisle 28640 Ultimate Circuit Tester Kit (SKU LIS28640) Lisle 28640 Ultimate Circuit Tester Kit SKU LIS28640
Details, Pics & Accessories
Heavy duty tester signals with a light and buzzer. The test kit test low voltage up to 28 volts. Also performs these functions: Find electrical shorts, checks p...
$26.43
Lisle 28850 Circuit Tester Pliers (SKU LIS28850) Lisle 28850 Circuit Tester Pliers SKU LIS28850
Details, Pics & Accessories
Dual Probe/Computer Safe/Polarity Indicator Tests Low Voltage 6 to 28 Volts
Dual Probes: The first probe flips out enabling you to check hard to reach connecti...
$17.04
Lisle 29500 High-Low Circuit Tester (SKU LIS29500) Lisle 29500 High-Low Circuit Tester SKU LIS29500
Details, Pics & Accessories
Checks Both Low Voltage and Spark Plug Wires.The low-side checks AC and DC current up to 28 volts with power on. The high-side checks spark plug wires without p...
$13.20
Power Probe ACC01 Power Probe Accessory Kit (SKU PPACC01) Power Probe ACC01 Power Probe Accessory Kit SKU PPACC01
Details, Pics & Accessories
A great addition to your Power Probe Circuit Tester.
Includes: - 20 ft. extension for those longer vehicles such as motor homes, trailers, etc.- Cigarette ligh...
$28.06
Power Probe PP19FTC Power Probe Circuit Tester with Accessory Kit (SKU PPPP19FTC) Power Probe PP19FTC Power Probe Circuit Tester with Accessory Kit SKU PPPP19FTC
Details, Pics & Accessories
Supplies positive voltage, negative voltage or ground at probe tip
LED visual indicator
$87.93
Power Probe PP219FT Power Probe II Circuit Tester (SKU PPPP219FT) Power Probe PP219FT Power Probe II Circuit Tester SKU PPPP219FT
Details, Pics & Accessories
Supplies positive voltage, negative voltage or ground at probe tip
LED visual indicator
$79.35
Power Probe PP219FTC Power Probe II Circuit Testers with Accessory Kit (SKU PPPP219FTC) Power Probe PP219FTC Power Probe II Circuit Testers with Accessory Kit SKU PPPP219FTC
Details, Pics & Accessories
Supplies positive voltage, negative voltage or ground at probe tip
LED visual indicator
$91.70
Power Probe PP319FTC Power Probe III - Multi Use Circuit Tester (SKU PPPP319FTC) Power Probe PP319FTC Power Probe III - Multi Use Circuit Tester SKU PPPP319FTC
Details, Pics & Accessories
A Multitude of testers right at your fingertips.
42V Ready
$117.03
Power Probe PPCT Scream Continuity Tester and Voltage Detector (SKU PPPPCT) Power Probe PPCT Scream Continuity Tester and Voltage Detector SKU PPPPCT
Details, Pics & Accessories
The new PPCT emits two distinct tones enabling you to differentiate between circuits above or below 10 ohms.? Audible Tone Indicator? 3-Level Continuity Testing...
$63.51
Power Probe PPECT2000 Electronic Short/Open Circuit Tracer (SKU PPPPECT2000) Power Probe PPECT2000 Electronic Short/Open Circuit Tracer SKU PPPPECT2000
Details, Pics & Accessories
Quickly pin-points location of shorts and open circuits.
Adjustable sensitivity with audible and visual indicators
$172.90
Power Probe PPECT2000N Electronic Short/Open Circuit Tracer (SKU PPPPECT2000N) Power Probe PPECT2000N Electronic Short/Open Circuit Tracer SKU PPPPECT2000N
Details, Pics & Accessories
Eliminate the guesswork!
Remote sensor allows a "One Man" diagnosis
$151.56
Power Probe PPLS01 Power Probe Lead Set (SKU PPPPLS01) Power Probe PPLS01 Power Probe Lead Set SKU PPPPLS01
Details, Pics & Accessories
Now you’re able to power up components or check continuity in those hard to reach areas such as behind the dash or firewall. Our new lead set will give you tha...
$54.41
Sheffield Research/GTC SR8002 Cordless 3-28 Volt DC Professional Circuit Tester (SKU SR8002) Sheffield Research/GTC SR8002 Cordless 3-28 Volt DC Professional Circuit Tester SKU SR8002
Details, Pics & Accessories
Rugged Solid State electronic voltage detector. Needs no wire or clip connector to ground. Safe around automotive micro-comuters.Simple to Use:
Hold tester in...
$22.84
Sheffield Research/GTC SRFF310 FaultFinder® - Short / Open Circuit Finder and Circuit Tracer; 6 to 42 Volt (SKU SRFF310) Sheffield Research/GTC SRFF310 FaultFinder® - Short / Open Circuit Finder and Circuit Tracer; 6 to 42 Volt SKU SRFF310
Details, Pics & Accessories
Locate short circuits, open connections, broken wires, current leaks and even trace wires quickly and easily in most cases locating the problem area without ha...
$160.26
Thexton 121 Wirehawk® Circuit Tester for 12/24V Circuits (SKU THE121) Thexton 121 Wirehawk® Circuit Tester for 12/24V Circuits SKU THE121
Details, Pics & Accessories
Wirehawk® requirs just one hand to test circuits in hard to reach areas. Works two ways: Captures and pierces wire with unique hook design or can be used as ice...
$17.57
Thexton 137 Power-On Circuit Tester (SKU THE137) Thexton 137 Power-On Circuit Tester SKU THE137
Details, Pics & Accessories
Tests function and operation of electrical motors, solenoids, relays, lights and more by supplying power or ground. For use on 12V and 24V systems. High impedan...
$121.67
Tool Aid 27000 Heavy Duty Circuit Tester - 6/12V (SKU TA27000) Tool Aid 27000 Heavy Duty Circuit Tester - 6/12V SKU TA27000
Details, Pics & Accessories
The best quality electrical circuit tester available for checking 6 and 12 volt systems. Made to last longer than anyone's lifetime! Use it to troubleshoot el...
$6.25
Tool Aid 27130 Extra Long Heavy Duty Circuit Tester (SKU TA27130) Tool Aid 27130 Extra Long Heavy Duty Circuit Tester SKU TA27130
Details, Pics & Accessories
Specially designed to enable technician to test hard to reach circuits that would not be accessible with standard Circuit Testers. Use to test around hot engin...
$19.95
Tool Aid 27200 H.D. Circuit Tester with 3" Probe (SKU TA27200) Tool Aid 27200 H.D. Circuit Tester with 3" Probe SKU TA27200
Details, Pics & Accessories
Circuit Tester features and extra long wire that stretches up to 12 feet for use, then automatically retracts. Quickly and easily check electrical system circui...
$9.56
Tool Aid 27250 H.D. Circuit Tester with 6-1/2" Probe (SKU TA27250) Tool Aid 27250 H.D. Circuit Tester with 6-1/2" Probe SKU TA27250
Details, Pics & Accessories
Circuit Tester features and extra long wire that stretches up to 12 feet for use, then automatically retracts. Quickly and easily check electrical system circui...
$12.62
Tool Aid 27300 Heavy Duty Circuit Tester With 12' Retractable Wire and Battery Clip (SKU TA27300) Tool Aid 27300 Heavy Duty Circuit Tester With 12' Retractable Wire and Battery Clip SKU TA27300
Details, Pics & Accessories
Quickly and easily checks electrical circuits and accessories on 6 and 12 volt systems.
Extra long, high visibility wire stretches for use, then automatically...
$7.20
Tool Aid 28000 7" Heavy Duty Automotive Logic Probe (SKU TA28000) Tool Aid 28000 7" Heavy Duty Automotive Logic Probe SKU TA28000
Details, Pics & Accessories
A modern circuit tester with time tested durability. Quickly and safely tests high and low voltages (power and ground) on all vehicles, including computerized e...
$33.75
Tool Aid 28100 3" Heavy Duty Automotive Logic Probe (SKU TA28100) Tool Aid 28100 3" Heavy Duty Automotive Logic Probe SKU TA28100
Details, Pics & Accessories
A modern circuit tester with time tested durability. Quickly and safely tests high and low voltages (power and ground) on all vehicles, including computerized e...
$31.35
Waekon 76100 PGI Pistol Probe Power/Ground Tester (SKU WAE76100) Waekon 76100 PGI Pistol Probe Power/Ground Tester SKU WAE76100
Details, Pics & Accessories
There’s nothing faster or more versatile to verify circuits and component operation for window and lock motors, fuel pumps, cooling fans, lights, horns, solenoi...
$98.31
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