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How to test electronics in a roller?

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Old 12-06-2017, 05:21 PM
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How to test electronics in a roller?

I purchased a nicely optioned parts Trans Am but it has no engine. Is there an easy way to test power items to see if they work before removing them: power seat, Radio, headlight motors, power windows, etc...
Old 12-06-2017, 05:40 PM
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Re: How to test electronics in a roller?

If the harnesses are still intact just hook up a battery. Just connect the starter wires to the positive terminal and ground the battery terminal to the body - done. Electrical accessories don't care if the engine is in there,... they just want power and ground.

Old 12-06-2017, 06:04 PM
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Re: How to test electronics in a roller?

Might want to ground the ground wires that would be at the back of the cylinder head, and of course the negative battery cable.
Old 12-06-2017, 11:28 PM
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Re: How to test electronics in a roller?

I wouldn't spend much time on testing electronics, either it's a good deal or it's not. If the owner can't prove anything or everything works you use that as a bargaining chip. Unless everything is there and hooked up you could spend an entire afternoon checking grounds and continuity. Is there even a key to check the switched power items?
Old 12-07-2017, 07:26 AM
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Re: How to test electronics in a roller?

You can use a multi-meter on the connections for various components under the hood to make the needles bounce in the cluster, but that's about it.

Same goes for the power windows/etc. Just unplug them and hook up a power source (battery, etc.).
Old 12-07-2017, 06:40 PM
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Re: How to test electronics in a roller?

Originally Posted by Tibo
Unless everything is there and hooked up you could spend an entire afternoon checking grounds and continuity. Is there even a key to check the switched power items?
The car is complete accept the engine is gone. All of the engine bay wiring is just hanging there. I got the car to help me restore another car and wanted to see what items work before spending time to remove and install them on the good car.
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