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Electical

Tiny
ENERGIZER
  • MEMBER
  • 1992 PONTIAC BONNEVILLE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 212,000 MILES
I have a 1992 Bonnieville SSE with flickering security, control & service engine lights and at same time wierd noises from dash. Also engine starts then shuts off right away and no head, tail or brake lights. No power windows, mirrors, seats, radio, nothing is working. Battery connections good and getting ready to rent scan tool to check for codes but need any advice of where to start.
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Wednesday, December 29th, 2010 AT 7:45 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Check that the battery has a full charge, if you use a digital multimeter across battery posts, everything turned off, the generic spec for a full charge is around 12.6 volts. If the battery is fully charged, leave the meter leads at the battery, turn key on, no crank, voltage reading would drop a little, then, if you turn to crank, it drops a lettle more but, usually not below 9.6 volts. Any electrical circuit your having trouble with, check the fuse and voltage at the fuse. If the circuit isn't fuse protected, there maybe a fusible link.
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Wednesday, December 29th, 2010 AT 7:57 PM
Tiny
PHIL12345
  • MEMBER
  • 2 POSTS
Check the positive cable connection at the battery. Make sure
it is tight. Those sounds you hear are probably relays clicking
on and off. You may end up with some burnt relays.
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Friday, December 31st, 2010 AT 8:29 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hope you got it going your way?
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Wednesday, March 2nd, 2011 AT 5:00 PM

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