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Old 12-11-2006, 12:10 AM
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weird problem

noticed today that my cars lights tend to dimm when i apply the brake, as i am sitting at a light lights dim car shakes a lil and sometimes the radio shuts off and then comes back on. battery is almost new i have the right cold cranking amps and alternator is fine. what else can cause this problem?
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Old 12-11-2006, 12:17 AM
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Re: weird problem

Check your ground from the engine to the car body.
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Old 12-11-2006, 01:22 AM
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Re: weird problem

Quote:
Originally Posted by silicon212
Check your ground from the engine to the car body.
will have to chech that out tomorrow anything else that may cause this?
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Old 12-16-2006, 05:15 PM
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Re: weird problem

Altenator maybe, but if the car shakes as the light dims, then it sounds like the idle's too low. A low idle when the brakes are applied could indicate a faulty brake booster so that when the plunger is depressed it creates a vacuum leak. Use a vacuum testor to see if the brake booster holds vacuum when the brakes are at rest, and engaged.
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