2000 Oldsmobile Alero Alero Strange Electrical Problem

Tiny
WASCATOR
  • MEMBER
  • 2000 OLDSMOBILE ALERO
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 135,000 MILES
Hi, my cousin's car died suddenly; the small-town mechanic she knows found the fuel filter clogged and changed it; did not fix; new fuel pump, did not fix; new battery, did not fix. Here's what it does: jump it off, starts and idles perfectly, everything worksm remove the jumper cabes, the lights including instruments start fading immediately and the engine dies within 10 seconds, then dead, won' t crank, nada, but put the jumper cables back on, and it's back to life. - Thought at first it was the PassKey system, now I don, t know. Help! I'm paying!
Tuesday, October 19th, 2010 AT 7:57 PM

5 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
It sound's like a bad alternator charge your battery fully and start the car and see what the voltage read's at the battery at idle. Let me know what the voltage read's.
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Tuesday, October 19th, 2010 AT 8:30 PM
Tiny
WASCATOR
  • MEMBER
  • 4 POSTS
Hi, I had the alternator tested, worked perfectly so I put it back on the car.
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Wednesday, October 20th, 2010 AT 7:56 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Here's the problem with checking it at the auto part's it wasn't in your car with your wiring. SO if your car has a wiring issue to the alternator you will never know. That's why I asked you to check it like I did.
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Wednesday, October 20th, 2010 AT 11:20 AM
Tiny
WASCATOR
  • MEMBER
  • 4 POSTS
Thanks, you were right: wire from the alternator to the starter was bad. Cost me a lot because I bought a fuel pump, starter, and battery that were not the problem. Well, the battery was old, as was the fuel pump.
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Monday, October 25th, 2010 AT 9:34 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Glad to hear you got it fixed had a feeling you had a wiring issue or alternator issue.
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Monday, October 25th, 2010 AT 9:59 PM

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