lighting problem - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

Bonneville GXP/ Northstar Powered Cars Discuss your Bonneville GXP and/or any other Northstar powered Olds or Cadillac... Including the 3.5L Twin Cam V6 (Short Star ) 4.0L and 4.6L Northstar V8's. Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-08-2007, 02:39 AM   #11
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The lights dimming sounds exactly like the ALT turning off and on
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Old 07-09-2007, 11:58 AM   #12
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My GXP has always done this; the headlights will get a bit dimmer for a second and then come back up. I suspect this is normal operation. In any case, it canít hurt to have a good ground to the body.
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