1996 GMC Jimmy electrical problem

Tiny
RONBO.1
  • MEMBER
  • 1996 GMC JIMMY
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 232,000 MILES
When I put the headlights on the radio clock light and the shift light dims out and the fuel pump gets noisier and also the battery cable sparks a little when I hook up the battery. What can it be? Thank You.
Friday, May 1st, 2009 AT 10:02 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, I'd start by checking the charging system. If you have a digital multimeter you can check alternator output, engine running. Make sure the battery has a full charge, cables/wires clean and tight on both ends.

There is an allumination fuse in the fuse box for the dash lites, check for available voltage, lites on, engine running.
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Friday, May 1st, 2009 AT 10:36 AM

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