Some chance he has a short to hot under Carpet or miswiring by a former “fixer” involving the power seat or cigar lighter + 12 . Post a little confusing .. it runs with no connection to supply wire he says. So switch is out of circuit . Short involving the power feed to something else or wrecked harness ..
Sent from my iPhone
First of all, thank you all for your help and knowledge, it’s been invaluable. I removed the switch, tested the socket to confirm one hot and two (up/down) cold leads. Filled the reservoir, it is on the pump side(passenger side) and there is an access hole in the motor mount bracket. Still not easy to get to, I used and old turkey baster and that worked fine but was slow going. Plugged the motor in w the switch eliminated and the motor STILL RAN!!. Quick check told the red lead from the chassis was indeed hot, although it should not have been. So I’m kinda back to square one. Any suggestions are greatly appreciated
Steve Sent from my iPhone One thing that confuses some is that in your Chrysler positive 12V is fed at all times to the lights and motors of the body. Running or not running is then controlled by switches which merely provide ground, or negative 12V, to the various lights and motors.
Therefore yes, probably what is going on is that you have a defective switch which is providing a ground - negative 12V - to the pump motor at all times.
Keith Boonstra
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