Forum Discussion
PUCampin
Feb 19, 2015Explorer
It could be corroded connections, certainly easy to check. My car would do something like this. Turn the key to on and the lights and stereo come one, try to start and the car instantly went dead. Was corrosion between the battery clamp and post. If that doesn't fix it, it could be the converter starting to fail. When mine failed, it would support a 12V load up to about 1A. The next thing I turned on going over that threshold would cause it to crash. Shutting everything off would bring it back until I exceeded 1A again.
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