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Automotive

Tool Zone Catalog > Automotive Tools & Equipment > Vehicle Repair Tools > Circuit Testers, Short Finders

Astro Pneumatic AP 7760 Cordless Circuit Tester
	PRICE: $16.68
• 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 voltages between 3 and 28 volts. • Special designed V-Tip needle allows safe piercing and prevents side-slipping when piercing wire's insulation. V-Tip can be removed to test hard to reach places. • Unit works with replaceable long-life alkaline batteries. • Made of rugged chrome metal.
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EQUUS EQS3420 3420 Smart Test Light
	PRICE: $24.83
• Designed to safely check voltage and/or ground on several electronic systems, including wiring, fuses, battery, cabling, sensors, switches, and more • Features ergonomic grip design for comfort and safety • Connects using a cigarette lighter / power plug and detachable twin alligator clamps • 6-foot leads provides long reach connection • Unique transparent handle shows bright LEDs to identify connections: • White = Proper Connection to Source • Red = Voltage Present • Green = Ground Present
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Electronic Specialties ESI304B Fuse Buddy Tester - ATC Fuse
	PRICE: $29.71
• 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 circuit protection. • Makes circuit testing easier, FUSE BUDDY adapter end is shaped like a fuse. • Ideal for electrical troubleshooting at the fuse box. • Can be used to measure all circuit draws up to 20 Amps. • Can even be used to test parasitic drains (battery drains). • Measuring range is determined by your DMM - most DMM’s have a 10 Amp or 20 Amp test range. • Measuring Capability: 0 - 20 Amps / 48V DC or AC.
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Electronic Specialties ESI305M 30 Amp Fuse Buddy Tester - Mini
	PRICE: $30.79
• New High Amp Fuse Buddy can test 30 Amp circuits • Blowing Fuses? Plug in the FUSE BUDDY and read the circuit amperage draw. • Original fuse is replaced in-line during testing, thereby maintaining circuit protection. • Easy connection into fuse socket, FUSE BUDDY end is shaped like a fuse. • Great tool for electrical troubleshooting at the fuse box. Can be used on any circuit up to 30 Amps. • Test range: 0 - 30 Amps ~ 48V DC ~ .1A resolution
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Electronic Specialties ESI306B 30 Amp Fuse Buddy Tester - ATC Blade
	PRICE: $30.79
• New High Amp Fuse Buddy can test 30 Amp circuits • Blowing Fuses? Plug in the FUSE BUDDY and read the circuit amperage draw. • Original fuse is replaced in-line during testing, thereby maintaining circuit protection. • Easy connection into fuse socket, FUSE BUDDY end is shaped like a fuse. • Great tool for electrical troubleshooting at the fuse box. Can be used on any circuit up to 30 Amps. • Test range: 0 - 30 Amps ~ 48V DC ~ .1A resolution
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Innovative Products of America INN8005 Fuse Saver
	PRICE: $78.14
Allows you to move about the vehicle while checking for shorts in the electrical system • 3 resetting breaker handles - 10, 15, and 20 amps • Color matching handles for easy identification • Dual type fuse box connector with 10 ft. cord • Find short circuits FAST! • Disconnect and reconnect power to any circuit while work is being completed in that circuit without leaving the work area • Blow Molded Storage Case • Made in USA
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Lisle LIS28640 Ultimate Circuit Tester Kit
	PRICE: $46.73
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 polarity, detects battery drain, checks circuits from a distance. Heavy-duty coil cord extends over 8 feet. Detachable, spring-loaded hook pulls center of the wire into the probe every time. Attach alligator clip to the probe when a clip-on connection is needed.
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Lisle LIS28850 Circuit Tester Pliers
	PRICE: $28.69
• 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 connections and can be flipped back when not in use. The second probe with centering V design allows you to penetrate the center of the wire every time. • Fits 16 gauge and smaller wire. Safe for use on 12 volt automotive computer circuits. Tool draws less than 19 mA. at 12 volts DC with an operating range of 6-28 volts.
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Power Probe PP ACC01 Power Probe Accessory Kit
	PRICE: $36.24
• A great addition to your Power Probe Circuit Tester. • Includes: - 20 ft. extension for those longer vehicles such as motor homes, trailers, etc. - Cigarette lighter adapter power adapter - 9" extension probe - Case to carry it all the accessories and your Power Probe.
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Power Probe PP PP19FT Power Probe I Circuit Tester
	PRICE: $81.93
• Supplies positive voltage, negative voltage or ground at probe tip • LED visual indicator • Check polarity; test continuity; activate electrical components • Quick self test with power switch • Short circuit protected
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Power Probe PP PP219FT Power Probe II Circuit Tester
	PRICE: $79.19
• Supplies positive voltage, negative voltage or ground at probe tip • LED visual indicator • Check polarity; test continuity; activate electrical components • Quick self test with power switch • Short circuit protected Plus two tone audio signal and built-in head lamp
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Power Probe PP PP219FTC Power Probe II Circuit Testers with Accessory Kit
	PRICE: $97.73
• Supplies positive voltage, negative voltage or ground at probe tip • LED visual indicator • Check polarity; test continuity; activate electrical components • Quick self test with power switch • Short circuit protected Comes with accessory kit consisting of: - 20 ft. extension for those longer vehicles such as motor homes, trailers, etc. - Cigarette lighter adapter power adapter - 9" extension probe - Case to carry it all the accessories and your Power Probe. Power Probe II additional features beyond the Power Probe I - two tone audio signal and built-in head lamp
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Power Probe PP PP319FTC Power Probe III - Multi Use Circuit Tester
	PRICE: $127.61
• A Multitude of testers right at your fingertips. • 42V Ready • Test Light • Voltmeter • Built-in flashlight • Short circuit indicator • Relay and component tester • Continuity tester • Bad ground indicator • 20 ft. jumper lead set featuring new design heavy duty connectors. Kit includes: Power Probe III, cigarette lighter adapter, 3" extention probe, battery hook-up clips, 20 ft. extention lead, instruction manual, blow molded case.
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Power Probe PP PPECT2000N Electronic Short/Open Circuit Tracer
	PRICE: $177.20
Eliminate the guesswork! • Remote sensor allows a "One Man" diagnosis • Three new Socket adapters fit into a standard light bulb socket, the Black Probe works on fuses while the Blade Probe can slide into tight collars • Clip set and a universal wire for creating your own custom adapter • Consists of 2 units, a "SMART" transmitter and a "SMART" receiver along with a new set of adapters to get you connected to any electrical circuit on the vehicle • Alerts you immediately whether a circuit is shorted or open • Includes: 2 AAA batteries, Transmitter & Receiver, Battery Hook-up Clip Set, 3 Bulb Adapters, Universal Wire w/ Jack, Blade Probe, Back Probe, Piercing Probe, Alligator Clip Set, Instruction Manual & DVD, Custom Carry Case
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Power Probe PP PPLS01 Power Probe Lead Set
	PRICE: $53.25
• 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 that capability and much more. • The Power Probe Gold Series lead set helps technicians to accurately diagnose electrical problems much faster. Our lead set is the only one that features both high current 10 gauge multi strand leads and Gold Plated electrical connectors. The super flexible leads come in lengths of 1’, 3’, and 6’ and are stackable giving the technician even greater flexibility. Two self centering piercing probes not only save finger tips but make wire piercing a snap. The large and small probes enable the technician to pierce wires from 28 gauge to 8 gauge while assuring the wire is centered every single time. Our banana jacks, plugs and adapters are shrouded for added safety and standard sized 4mm ensuring compatibility with all circuit testing equipment. • If you are looking to improve the testing capabilities of your Power Probe or just want the best lead set money can buy, the Power Probe Gold Series Test Lead Set is the answer. • High Current Lead Set Rated for 30 AMPS • Super Flexible 10 Gauge Leads (1’, 3’ & 6’ stackable). • 2 Auto Centering Wire Piercing Probes (28-8AWG). • Standard High Current 4mm Shrouded Banana Plugs & Jacks. • Male/Male & Female/Female Adapters. • Stacking Plugs for Greater Flexibility.
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Sheffield Research/GTC SR 8002 Cordless 3-28 Volt DC Professional Circuit Tester
	PRICE: $36.51
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 one hand and place other hand on bare metal (grounded) part of vehicle. • Place the tester point onto connector or through insulation of wire to be tested. • The 8002 will light, sound and vibrate when positive voltage (hot wire) is detected. • V-Groove needle accessory prevents the tester point from side-slipping when piercing wire's insulation, and can be removed for testing hard to reach places. Technical Specifications: • No ground wire or clip required. • 1Ohms minimum input impedance, current draw of 20 microamps at 24 volts. • Operates on DC voltages between 3 and 28 volts. • Light, buzzer and vibration indicator. • Stainless steel construction. • Long life size "N" alkaline batteries included. Duracell type MN9100. • Solid State lamp for lifetime lasting performance. • 5.75"L x 0.625"DIA.
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Sheffield Research/GTC SR FF310 FaultFinder® - Short / Open Circuit Finder and Circuit Tracer; 6 to 42 Volt
	PRICE: $206.67
• Locate short circuits, open connections, broken wires, current leaks and even trace wires quickly and easily in most cases locating the problem area without having to untie harnesses, open conduits or remove panels. • Easy to use: simply connect the transmitter in series with the circuit or wire under test, (i.e.: in place of a blown fuse, across a connector, in series with an open wire, a light bulb socket, etc.), and scanning the circuit/wire with the tracer’s flexible probe to find the trouble spot. • 42 V Ready: for use in the new generation of vehicles with mixed or single 42 Volt systems. • Operates on DC voltages from 6 to 42 volts. • Internally protected against power surges and overloads. • 8" flexible probe allows reaching wires in congested places. • Transmitter and Receiver LEDs show open or short circuit conditions. • Variable audio/visual signal provides fast and intuitive feedback on the circuit/wire proximity. • Adjustable sensitivity for all tracing situations. • No wire piercing required, non-contact technology! • Tracing of wires is made possible even inside bundles, conduits, behind panels, under carpets, upholstery, etc. • Transmitter has auto polarity and leads with 5 amps allegator clips.
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Tool Aid TA 27000 Heavy Duty Circuit Tester - 6/12V
	PRICE: $7.28
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 electrical circuits like any other circuit tester, but it is especially valuable because it will fit and work in confined crowded areas like under hoods and dashboards of modern cars and trucks. • 6' ground wire remains flexible in cold temperatures • Checks 6 and 12 volt systems • Special overbite alligator clip designed to stay put! • Sharp, nickel plated piercing probe
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Tool Aid TA 27250 H.D. Circuit Tester with 6-1/2" Probe
	PRICE: $17.43
Circuit Tester features and extra long wire that stretches up to 12 feet for use, then automatically retracts. Quickly and easily check electrical system circuits and accessories on 6 and 12 volt systems.
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Tool Aid TA 27300 Heavy Duty Circuit Tester With 12' Retractable Wire and Battery Clip
	PRICE: $10.92
• Quickly and easily checks electrical circuits and accessories on 6 and 12 volt systems. • Extra long, high visibility wire stretches for use, then automatically retracts. • Supersharp probe.
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Tool Aid TA 28000 7" Heavy Duty Automotive Logic Probe
	PRICE: $43.92
A modern circuit tester with time tested durability. Quickly and safely tests high and low voltages (power and ground) on all vehicles, including computerized engine and body controls. • Tests 6, 12, and 24 volt systems • High impedance - current draw less than 18 milliamps to protect sensitive electronic sensors, microprocessors, electronic ignition components and air bags. • Dual color LED indicates red for power (high) and green for ground (low) • 6' heavy duty, 18 gage dual leads with large battery clips • Leads can be attached regardless of polarity • Includes Protect-A-Terminal® probe adapter to prevent damage to electrical connectors • Can be used as a standard, single circuit tester. • Instructions included.
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Tool Aid TA 28100 3" Heavy Duty Automotive Logic Probe
	PRICE: $39.75
A modern circuit tester with time tested durability. Quickly and safely tests high and low voltages (power and ground) on all vehicles, including computerized engine and body controls. • Tests 6, 12, and 24 volt systems • High impedance - current draw less than 18 milliamps to protect sensitive electronic sensors, microprocessors, electronic ignition components and air bags. • Dual color LED indicates red for power (high) and green for ground (low) • 6' heavy duty, 18 gage dual leads with large battery clips • Leads can be attached regardless of polarity • Includes Protect-A-Terminal® probe adapter to prevent damage to electrical connectors • Can be used as a standard, single circuit tester. • Instructions included.
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Thexton THE121 Wirehawk® Circuit Tester for 12/24V Circuits
	PRICE: $25.22
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-pick type tester. If circuit is live, bulb in handle lights up. Has 16 gauge, 44 inch ground wire with 50 amp alligator ground clamp. Use for circuits, connections, fuses and 2-cycle engine timing.
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Thexton THE137 Power-On Circuit Tester
	PRICE: $139.90
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 impedance tester is safe (in test mode) for computer circuits. LEDs provide visual indication of continuity. Red or green LED shows polarity at probe.
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Waekon WAE76100 PGI Pistol Probe Power/Ground Tester
	PRICE: $115.44
There’s nothing faster or more versatile to verify circuits and component operation for window and lock motors, fuel pumps, cooling fans, lights, horns, solenoids, relays, and most other power accessories. • Indicates Power and Ground on 6/12/24V circuits. • Thumb switch applies power or ground through the tip. • Backed by a Limited Lifetime Warranty • High intensity headlamp, Audible tone beeper, Super sharp stainless steel tip • Durable coil cord for long reach and easy storage.
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Waekon WAE76200 AST Automotive Signal Tester with Logic
	PRICE: $99.55
Designed specifically for testing computer-controlled vehicles. Tests virtually any circuit on the vehicle. • The all-in-one quick check tool for no-starts. Use to verify primary and secondary ignition, pick-up sensors, fuel injectors, fuel pumps, and idle speed control circuits. • Ideal for Electrical/Electronic Accessory installers. • Indicates: Ground, 5V Reference, 6/12/24V, Pulsing Signals • Computer and Airbag safe. • Backed by a Limited Lifetime Warranty • High intensity headlamp, Audible tone beeper, Super sharp stainless steel tip • Durable coil cord for long reach and easy storage.
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K-D Tools KD 126 High-Low Voltage Tester\n
$K-D Tools KD 126 High-Low Voltage Tester\n$	PRICE: $14.88
Check 6 and 12V circuits for voltage and spark plugs for spark. To use, ground the clip and touch the probe to the point being tested. The tester bulb will light if voltage is present.To use as a spark tester, screw the probe into the opposite end of the handle.
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K-D Tools KD 2646 Low-Voltage Circuit Tester\n\n
$K-D Tools KD 2646 Low-Voltage Circuit Tester\n\n$	PRICE: $8.78
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, connections, fuses and broken wires. Tester comes in a tough, durable shock-resistant case. Includes 12V bulb and 36" cable. Uses bulb #1893.
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K-D Tools KD 2647 Circuit Continuity Tester
	PRICE: $9.20
Designed for the home mechanic, this tool safely tests circuits with power off. Ideal for testing fuses, grounds, shorts, contacts, diodes and open circuits. Includes 36" cable. One AA battery required (not included). Uses bulb #122 Screw-in design.
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K-D Tools KD 2649 Circuit and Spark Plug Tester\n\n
$K-D Tools KD 2649 Circuit and Spark Plug Tester\n\n$	PRICE: $12.19
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, turn signals and other circuits. Tests for faulty sockets, connections and broken wires. Place probe in end with neon bulb to check for spark voltage. Tester comes in a shockproof case. Includes 36" cable. Uses bulb #1893.
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Lisle LIS24550 Computer Safe Circuit Tester
	PRICE: $16.70
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 indicates positive polarity, green indicates negative polarity.
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Lisle LIS25600 Handy Hooker Circuit Tester
	PRICE: $19.92
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 volts. Alligator clip grounds tester.
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Lisle LIS26200 Continuity Tester
	PRICE: $12.21
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 up, there is continuity. If bulb fails to light the circuit is open. Not to be used on live circuits or computer sensor feed circuits.
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Lisle LIS28400 Heavy Duty Circuit Tester
	PRICE: $16.42
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. Comes with a strain relief spring on the cord.
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Lisle LIS29500 High-Low Circuit Tester
	PRICE: $14.58
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 piercing. Complete with insulated clip.
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Lock Technology LT 525 Auto Groundskeeper
	PRICE: $17.97
The LT 525 provides a good ground for test light and multimeter diagnostic use. Especially useful in the auto industry where testing is most difficult due to increased use of plastics. Universal design fits in any power plugs. Manufactured from spring steel and injection molded plastic for lifetime trouble free operation. A must have tool for diagnosing today’s automotive electrical problems quickly and safely.
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