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Light problem

Old 05-16-2008, 12:43 AM
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Default Light problem

Alright guys i need help with my lights. The headlights and the dash lights flicker constantly on my car. It is like they are constantly getting power surges. I cannot figure out why. Any suggestions would be greatly appreciated.
Old 05-16-2008, 01:18 AM
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Check the connections. In the fuse panel on the dash.
Old 05-16-2008, 01:52 AM
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Search.. search.. search...

https://ls1tech.com/forums/showthrea...hlight=flicker

https://ls1tech.com/forums/showthrea...hlight=flicker

https://ls1tech.com/forums/showthrea...hlight=flicker

https://ls1tech.com/forums/showthrea...hlight=flicker

Bottom line... you need a new alternator.
Old 05-16-2008, 02:01 AM
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Thanks guys.. I thought that was it and had it tested today.. Of coarse it tested fine..I will go ahead and replace it though. I appreciate the help.
Old 05-16-2008, 08:37 AM
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T-Bone:

I have the exact same problem on my less-than-1-week-old toy ('99Z). I took it to AZ last night and had them test the alternator online. Needless to say it isn't putting out the amps it needs to.

Also, I believe that the voltage regulator is built into the alternator for the LS1 F-body. If that is the case, then your alternator could be putting out solid amps, but the voltage is fluctuating....thus causing flicker in the lights.

At a stand still, rev your engine up & down....watch the volts gauge....it's probably dancing a bit.

Last edited by Shake; 05-16-2008 at 12:42 PM.
Old 05-16-2008, 10:59 AM
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Alternator FTL
Old 05-16-2008, 11:47 PM
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FYI...did it tonight. Took me about 2.5 hours alone to change the alternator & both belts. That includes getting the car on & off the jacks.

The wires cannot be disconnected until you have all the bolts out. It helped me to let it rest on the sway bar after unbolting it.


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