How to Save You Car Repair Cost By Testing the Automotive Wiring on Your Own?

       Have you recognized that all car performance is controlled by the automotive cable underneath the hood? The electricity comes from these wires, you may not see them, but they can regulate lights, heating and cooling functions. They can even indicate that something might not be working normally or the fluid is under the average level as the early warning system. As a result, if you can know how to test your car’s automotive wire, you may save money on costly automotive repair.

       Firstly, you need to prepare the following devices: test light with probe, wiring schematics for your car, and the self-powered test light. Then, start to establish a plan in action. You have to find out where the problem is and what the effects are.

       Below is the instruction from e-How. Find more on: How to Test Automotive Wiring | eHow.com

1. Insert the key into the ignition and turn it. (Don't engage the engine.)
2. Locate the connection point of the device you want to test. The connection point is where the wiring from the car connects to the device.
3. Touch the ground, which is the black probe from the test light, to a piece of grounded metal in the car. You can use the chassis of the car frame or any other convenient grounded piece near your testing area.
4. Place the tip of the red, positive probe to the connection point on the device. If the light comes on, the wires are making a complete circuit and the problem lies in the device. If not, continue to test the wiring further.
5. Refer to your wiring schematic and find the path of the wiring you are testing. Follow the entire path of the wire from ground to power.
6. Grip the ground end of the wire with the ground clip on the self-powered light. Touch the positive end to each section of the wire at a time.
7. Check if the test light illuminates upon contact with the circuit wire. If the light goes on, the open portion of the circuit is at the power end. If there is no light, the problem is at the ground end.

Comments

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[Mike Cornelia]

I have been having some steering and throttle problems on my old Toyota Tacoma. I took a look at my wiring schematic, which also has a detailed list of cables and there functions throughout the car. I was able to find the problem (which was in the push pull cable that controls the throttle) and replace it with a new one. This post saved me unbelievable amounts of money. Thank you for the help!

[Car Repair Service]

The biggest hurdle in convincing someone they can handle car repair is the fear factor, but here's the thing: It's actually pretty hard to permanently screw up a car. You might break something temporarily, or a fix might not work in the long run, but you probably won't set yourself or your car on fire just because you banged too hard on a valve. Cars are resilient machines and regardless of the year or make, there are plenty of repairs even the clumsiest and technically challenged can handle provided they have the confidence to push through.
Car Repair Service

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I agree with all of you guys here. This is really helpful especially if you are in saving money period and to those who want to fixing things in their own.

[K20 Tesla]

Finding a bad wire in a car wiring harness often requires testing with a volt ohm meter or a homemade tester. With a little practice the average weekend mechanic can learn to locate trouble in a wire with minimal testing. Knowing where to look and what to look for will be learned.

[Collision Repair]

Looks like testing the automotive wires can help you save lots of money when it comes to car repair.

[autoservis praha]

he biggest hurdle in convincing someone they can handle car repair is the fear factor, but here's the thing: It's actually pretty hard to permanently screw up a car. You might break something temporarily, or a fix might not work in the long run, but you probably won't set yourself or your car on fire just because you banged too hard on a valve. Cars are resilient machines and regardless of the year or make, there are plenty of repairs even the clumsiest and technically challenged can handle provided they have the confidence to push through.

Autoservis Praha

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