Question about Cadillac DeVille

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I had a used motor w/ 90,000 miles put in about 8 months ago. Ever since I've been having power & charging problems. Had battery checked. Good. Blew out alternator. Replaced w/ new one.

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CHECK POSITIVE BATTERY FEED CABLE TO ALTERNATOR AND CHECK ALTERNATOR FIELD WIRING THEY ARE CLOSE TO THE ENGINE BODY. GO TO AUTO PARTS STORE GET SOME FLEXIBLE CONDUCT PLACE ALTERNATOR WIRES IN IT AND REROUTE WIRES THEY COULD BE RUBBING INTO BODY CAUSING SHORT BLOWING OUT ALTERNATOR.THE CADILLAC 4.6L AND 4.9L ENGINES THE ALTERNATOR IN A TIGHT SPOT CLOSE TO THE ENGINE WHERE THE ALTERNATOR WIRES CAN RUB BODY SHORT OUT.CHECK WIRES AROUND ALTERNATOR CAREFULLY.

Posted on Aug 06, 2010

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Posted on Jan 02, 2017

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I pack my car this morning and when i came back to stat it it couldn,t.so it was jump started. i drove for less than one mile and and it went off again. i recharged the battery again, i drove...


3 possibilities are:
  • Dead cell in battery; a battery with a dead cell won't accept a charge from the alternator
  • Bad alternator; if the car will run on it's own without stalling, the alternator is probably still good; if the car stalls you may have alternator problems
  • Bad starter; (assuming you've ruled out alternator problems) a bad starter will start when the car is cold; once warm, it requires more power to engage than the battery has therefore, it needs a jump start
I'd advise bringing the car to a shop (most autoparts chains will do a free electrical system check) and have the electrical system checked.

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Hello I am having what sounds like a common thing but I can't be sure. The instrument panel has been intermentant for about for about 8 months now. Sometimes works for a day or three weeks. I am now unable...


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