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Shade Tree Mechanic’s Power Probe

Shade Tree Mechanic’s Power Probe

August 23, 2018 Tips & Tricks

A power probe is made to help you test something without the headache of guesswork, and it has multiple attachments for piercing different sizes of wire there for making it easier. An actual Power Probe is quite an expensive tool. But there is a way to make one on a budget with primary wire and alligator clips.

Alligator clips come in various sizes depending on the applications needed. I’ve had to make several types to test various different areas of cars from heater blower motors to headlights, taillights, backup lights, switches, relays, and voltage regulators. (This can work for ANY area of the vehicle that may need testing. The testing possibilities are endless. I’ve even found some test probes from old multimeters and solder primary wire for the extra tight places inside connector plugs. It even works great in fuse boxes to test various items when transferring from the power side of the fuse box to the sending side of the item it’s supposed to be powering. (It’s a lot easier to than keep replacing fuses)

Grounding Wire

This particular wire I used on my old truck to install the turn signal switch. My steering column needs to be grounded to help the switch do its job.

Reversing the polarity

My battery is used here as my power source and it’s my gound or negative cable is connected to it which will reverse the direction of my window regulator.

This wire harness is for bigger jobs

Notice the bigger alligator clips

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Hi, I’m Woody.

I love everything and anything to do with cars, trucks, tools, and mechanics or restoration work! I can help you fix and restore vehicles with minimal cost,  but with solid results.

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