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Troubleshooting Sunroof electrical

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Old 03-25-2014, 03:54 PM
joyntanovich's Avatar
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Default Troubleshooting Sunroof electrical

Hello!

My sunroofs stopped working all of a sudden (like many others)...

I replaced the ECU. the fuse is good. I have a test light (vs. a voltmeter) and am trying to figure out where the breakdown could be?

I've tried plugging my test light into the badk of both plugs (for front switches) and there is NO power at any of these points. (I replaced the ECU with another new tested one).

If it's not the ECU, or the fuse, and there's no power at the motors, what else could it be?

Thanks for any input....
 
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Old 03-25-2014, 08:31 PM
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Download shop manual called the RAVE and it has electrical diagrams. Use a meter. Cheap at Harbor Freight, etc. Many voltages are found between a particular terminal and frame ground. Using the truck for the return side saves half of the wiring.
 
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