1991 Bonneville SE Electrical Issues - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-21-2010, 08:08 AM   #1
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Default 1991 Bonneville SE Electrical Issues

When I start the car after it sets overnight everything seems normal. After shutting it off and starting it up a few times, it doesn't seem to want to turn over, or it clicks and turns over after a second or two. The voltage meter drops below the normal position after it warms up also. I can't run the car at night with the headlights or the heater because when I hit the brakes, the lights dim and the car almost stalls. I've cleaned the all the battery cable connections, bought a new battery, and had the alternator tested. I'm thinking it could be the starter or a bad ground. Thanks for your help.
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Old 09-21-2010, 10:43 AM   #2
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Welcome to GMForum! If u dont mind, post an introduction of yourself in the New Members section. Pull up a chair in the Lounge and engage in some playful banter. Glad to have you.

i would say a bad ground... check ur cables that go to the fuse block.
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Old 09-21-2010, 03:57 PM   #3
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when starters start to go bad they constanly draw power from the car so it could very well be that or it could be a voltage regulator check and clean grounds one more time look for any shorts
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