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High-pressure fuel pump question 200 1991

Thanks. I found the connector under the rear seat, and I can energize the pump by applying 12v there, and I don't get any power to it while the engine is running (I started it and let it run by manually energizing the pump, then looking for 12v at that connection), so that connector seems to be ok. From there, the wires run to the transmission/drive shaft tunnel, so I'll begin the hunt for the mystery connection.

As a side note, shortly before the no-start problem occurred, after starting the car (to check the brakes), I had no power to the radio, windows or a/c controls (I briefly touched on this on my first post in a different thread). About an hour later, I started the car and everything worked fine. Could these be related, or point to a more specific problem?

This isn't my car, and it's not the owner's primary car, so I'm spending time on it as I can. Thanks for all the help.






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