Quote:
Originally Posted by jay_bob
An old electrician/controls field engineer trick for finding a short:
Use a bulb in place of the fuse. Try a double ended bulb like in the glove box or dome light.
This provides a safe series impedance to help find the fault without hurting things. And it stops glowing when you found the short.
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That is always my standard when finding a short - old sharpie cases make great self powered line testers too. Excellent part about mercedes is that you can stick banana plugs to test the sockets.