1992 Cadillac Fleetwood charging problem

Tiny
TIMMY BOY
  • MEMBER
  • 1992 CADILLAC FLEETWOOD
  • 4.9L
  • V8
  • FWD
  • AUTOMATIC
  • 147,000 MILES
Had to jump start it. New battery, new alternator. Got down road a mile and all dash lights went out and then died. Completely dead. But I can let the car sit and idle, and it will be fine. Now the car has sat for many years due to fuel pump failure. It belonged to my late grand father.
Friday, January 10th, 2014 AT 10:16 AM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
First charge and test the battery and once you have a fully charged battery and you get it running, test the charging system.
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Friday, January 10th, 2014 AT 11:55 AM
Tiny
TIMMY BOY
  • MEMBER
  • 2 POSTS
OK battery fully charged 12.2, did load test came back good. Hooked battery up and started it. Battery dropped to 11.3. New alternator new battery.
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Friday, January 10th, 2014 AT 1:33 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
OK, so your charging system isn't working. You also don't have a fully charged battery at 12.2. It should be 12.6 for a good battery. Now you have to determine why the charging system isn't working. Test for power at the main terminal with the key OFF.
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Friday, January 10th, 2014 AT 1:44 PM

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