Electrical Test Tools - Scan Tool, Timing Light & More

OTC Heavy-Duty Remote Starter Switches

These OTC heavy-duty remote starter switches are like having a second set of hands when you're working on your ride alone! These convenient switches are designed to allow you to single-handedly start and crank your engine while under the hood or from either side of your vehicle. OTC heavy-duty remote starter switches are made with durable 12-gauge oil, grease-resistant 5 ft. wire leads, and a high-current, heavy-duty push-button switch. Their hot circuit indicator illuminates a red light when the switches are connected to a hot circuit, and the light goes off when the switches are depressed. A soft, non-slip rubber grip provides a secure hold, and high-current clips with protective boots open to an extra-wide 5/8 in. for an easy hookup.

4.94 out of 5 stars ( 18 )

$49.99

OTC Advanced Timing Lights

OTC advanced timing lights are a must have for any mechanic that needs to set base or advance timing. The timing of your engine dictates how efficient it will run and how much power it will make, so accurate settings are crucial. The OTC advanced timing lights allow for extremely accurate adjustment of timing in both conventional and computer-controlled ignition systems. OTC advanced timing lights feature: * Adjustable knob measures centrifugal vacuum and computer advance * On/off touch control * All-metal inductive pickup * Reflected, super bright xenon flash * Removable leads with twist-lock connectors * One-touch controller

4.75 out of 5 stars ( 4 )

$144.99

OTC Wire Connector Tool Sets

OTC wire connector tool sets let you remove terminal pins from connector housings without damage to any of the parts. The specialty tools are a must for electricians and mechanics. They're offered in various styles, each with more than a half-dozen pin release options.

4.5 out of 5 stars ( 6 )

$33.99

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$64.99

OTC Ignition Spark Testers

Spark or no spark—OTC spark testers for electronic ignitions will give you the answer! If you need to check spark on your car or bike, these handy tools make it simple. Just unhook the spark plug wire from the plug, insert the tool end of the spark plug wire, ground out the clamp, and fire it up. You'll either see a spark or no spark—it's that easy! OTC spark plug testers are tools you definitely need in your toolbox.

4.8 out of 5 stars ( 5 )

$27.99

OTC CrimPro 4-in-1 Wire Tools

CrimPro 4-in-1 wire tools allow you to crimp, strip, and cut like a pro. They are available in straight, angled, or as a set with one of each. The angled feature allows access to close quarters and facilitates superior crimps. CrimPro 4-in-1 wire tools feature: * Compact 7 in. design used four ways * Gripping nose will pull, twist, bend, and shape * Crimper: Crimps 12 to 20 AWG insulated and non-insulated wire * Stripper: Strips 12 to 20 AWG wire * Cutter: Ability to make cuts below pivot

5.0 out of 5 stars ( 1 )

$32.99

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$38.99

OTC Dial Thermometers

OTC offers handy dial thermometers that display from 0 to +220 degrees F and come with a pocket-clip carrying case for protection and easy access. They're useful in a variety of applications, including automotive and HVAC fluid temperature measurement. The 1 3/4 in. face is easy to read for mechanics and technicians.

4.2 out of 5 stars ( 5 )

$16.99

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$18.99

OTC Weather Pack Ratcheting Crimpers

Now you can manage environmentally sealed connection systems on your vehicle with the OTC Weather Pack crimper kit. Weather Pack connections are designed to protect against exposure to heat, moisture, and contaminants with unfaltering performance. Each ratcheting crimper comes with two easily interchangeable dies—covering wire from 14 to 22-gauge. The dies slip into place and are magnetically secure. Inside the storage case, a decal shows how the Weather Pack crimp is properly made.

4.4 out of 5 stars ( 5 )

$99.99

OTC Noid Lite and IAC Test Kits

OTC Tools offers the simplest method for eliminating the EFI system or idle air control as possible faults on no-start vehicles. Disconnect the fuel injectors, plug in a Noid Lite, and crank the engine. A flashing light indicates normal pulsing voltage. OTC Tools' expanded set of eight specific Noid Lites covers: GM PFI, Ford TBI, Geo TBI, Bosch PFI, GM TBI, GM SCPI, and now new applications of Bosch 2 and Multec 2, plus two GM IAC testers (flat and square four connector applications) with red and green LEDs. So, when checking a fuel injection system or an idle air control valve, trust OTC Tools test kits.

Not Yet Reviewed

$51.99

OTC Evolve One Year Subscription Renewals

OTC Evolve 1-year subscription renewal includes full access to all code coverage updates, software updates, and full system wiring diagrams for 1985 and newer vehicles. Subscription renewal includes updates for domestic, Asian, and European models.

Not Yet Reviewed

$671.99

OTC Inductive Timing Lights

OTC inductive timing lights are designed for standard base timing applications. The timing of your engine dictates how efficient it will run and how much power it will make—so accurate settings are crucial. Product features: * One-touch on/off control * All-metal inductive pickup * Reflected, super-bright xenon flash * Removable leads with positive twist-lock connector * ABS housing with over-molded grips * Heat-resistant over-molding on clips * Blow-molded case

Not Yet Reviewed

$124.99

OTC Robinair Slimline Refrigerant Scales

OTC Robinair slimline refrigerant scales bring greater performance, reliability, and usability. Offering excellent resolution with no compromise on capacity, these Robinair electronic scale and charging meter kits deliver features and specs you will not want to be without. Features and specs: * Touch key controls * Three display modes: Lbs./oz.; decimal lbs., kilograms * Very high resolution: 0.1 oz./0.005 lbs./2 grams * Extreme accuracy--plus or minus 0.5 percent of reading * 110 lb./50kg capacity * Auto zero * Compact design, completely portable * Can be used with all refrigerants * Removable control box with prop stand/hanging hook * Blow-molded case

5.0 out of 5 stars ( 1 )

$190.99

OTC Circuit Tester Replacement Bulbs

OTC circuit tester replacement bulbs can make sure your circuit testers light up. They offer a selection of replacement bulbs to fit all of their testers and keep them working properly.

Not Yet Reviewed

$15.99

OTC Test Leads

OTC Tools test leads make getting to hard to reach places easier. Constructed from high-quality polyurethane, these high visibility black and red coil cord test leads have superior memory retention and resistance to grease and oil, making them a perfect complement to any technician's arsenal of test equipment. OTC offers their test leads in a variety of lengths and tips, so they are sure to have what you need to diagnose an issue on your latest project.

Not Yet Reviewed

$28.99

OTC Parasitic Draw Testers

Finding electrical problems that drain the battery is getting harder all the time. Using OTC parasitic draw testers with your digital amp meter takes the guesswork out of a complicated job. First, attach the test switch between the negative battery cable and the battery, and then road test the vehicle. Next, connect an amp meter to the switch to determine the parasitic amperage draw, and locate the excessive electrical drain on the battery. OTC parasitic draw testers work on any vehicle with side- or top-post batteries.

Not Yet Reviewed

$112.99

OTC Replacement Battery Tester Lead Sets

The OTC battery tester with printer from Bosch includes detachable test clamps. When they need replaced, OTC replacement battery tester lead sets are the right choice. Just like the originals, these clamps and cable will fit and function exactly like the ones they are replacing. Avoid downtime of your battery tester with replacement parts from OTC.

Not Yet Reviewed

$89.99

OTC Diesel IPR Controllers

OTC Diesel IPR controllers permit a quick initial diagnosis of the pressure regulator when a hard start-no start situation exists. The controllers allow a technician to close the Injector Pressure Regulator to determine if proper injector control pressure is achieved and sustained for the starting process. They are used in conjunction with any scan tool capable of reading fuel pressure of 6.0L Ford Diesels and feature a tactile On/Off switch with LED that confirms power to the tool and signal to the Injector Pressure Regulator.

Not Yet Reviewed

$74.99

OTC Amp Clamp Multimeters

OTC amp clamp multimeters are designed to allow accurate current measurements using clamp jaws. The clamp meter is well suited for testing starting/charging circuits, and provides easy access to current, voltage, and other key automotive measurements, all in one easy to use tool. OTC amp clamp multimeter kits include test leads, temperature probe, soft carry case, and a 9 V battery. Features: * Duty Cycle * Resistance * Capacitance * Diode * Continuity * Frequency * Temperature * Display maximum reading of 4,000 counts * Range auto/manual * Automatic negative polarity indication * Automatic zero adjustment * Over range indication * Low battery symbol * Data hold symbol * Relative measurement symbol * Clamp opening size 32mm * Auto power off

Not Yet Reviewed

$204.99