Having problems with your 2003 Oldsmobile Alero ?

2003 Alero (3.4) wont start or even attempt to turn over until jumped. While driving I can hear whining through the speakers (with radio off) that matches the engine RPMs. Once I turn the car off, it loses all power, no gauge lights, radio or anything and wont start until I jump it. I also noticed that when in park if I quickly punch the gas I lose RPMs before the engine revs up...sometimes the car will stall and then restart itself on it's own...other times it will die and all my dash light

Posted / edited by AnonymousUser on : 15-01-2018

Answers :

Wow, that is quite the electrical psychoanalysis :0) You have got some major electrical issues going on here. Well, the first things that I would suspect to even get a little idea as to what is going on, considering that you have multiple systems with electrical failure and some are not even related systems that should be in any way connected, I would check first the main computer. It sounds as if the main computer system could be on it's way out to complete failure. However, I am not even sure that the computer could cause so many system wide failures, therefore, I would also be very suspicious of your main wiring harness. Years ago, I had an old 1968 Datsun Roadster Convertible. They used to call them the Datson 311, it was the pre Z care before building the first 240Z. I had multiple systems intermittently failing and coming on at all times, hit the horn and the lights go out, press break and lose power to the stereo, etc. I did not have quite as crazy of a system problem that you have, but it was pretty bad when my lights went out driving over the mountain pass in the middle of the night when I hit a bump at 65mph. What I discovered is that I had an overheat problem (never did find the cause) that melted my main wiring harness together at the block where the harness enters from the engine compartment through the firewall. As a result, wires became cross wired and shorted out intermittently because all the coating had melted of the wires and every-time the car bumped even just a little, systems would change and wire into other systems. Not a very common problem, in fact very very rare, but you have very uncommon symptoms so who knows, maybe I have seen it happen twice in a lifetime.
\015\012Good luck, and if you figure it out, post your solution. This is one I would love to know the answer on since it is so unique.
\015\012Good luck
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