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Headlights dim and bright at idle...help!

 
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Old 07 Dec 2010, 09:30 pm
Fresh Cruiser
 
Join Date: Apr 2009
Posts: 6
Default Headlights dim and bright at idle...help!

I have an odd problem with my wifes PT,
It's a 2004 turbo,
At idle the lights will dim and brighten...this has been on going for at least a year and I figured it was the alternator trying to go out so I thought I will wait for it to go out before I fix it and it hasn't stopped working,
So help me out...do you tech heads believe it is the alternator or something else?
Could this be a bad ground issue?
Many thanks,
Cheers,
P.
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Old 15 Dec 2010, 11:51 am
mikelikestobike's Avatar
Cool Cruiser
 
Join Date: Dec 2010
Location: Atlanta, GA
Posts: 365
Default Re: Headlights dim and bright at idle...help!

Quote:
Originally Posted by The13bats View Post
I have an odd problem with my wifes PT,
It's a 2004 turbo,
At idle the lights will dim and brighten...this has been on going for at least a year and I figured it was the alternator trying to go out so I thought I will wait for it to go out before I fix it and it hasn't stopped working,
So help me out...do you tech heads believe it is the alternator or something else?
Could this be a bad ground issue?
Many thanks,
Cheers,
P.
I'm having the same issue - '03 non-Turbo.

Anyone?
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K & N Drop in, Modded airbox, MSD Superconductor wires, Strut bar, blue dots in taillights. Sold 12/13
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Old 15 Dec 2010, 11:54 am
veracruise's Avatar
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Join Date: Apr 2010
Posts: 58
Default Re: Headlights dim and bright at idle...help!

I'm having the same issue too. 04 non trubo
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Old 15 Dec 2010, 12:52 pm
quicksilverdon's Avatar
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Join Date: Nov 2003
Location: Felton, Delaware
Posts: 20,501
Default Re: Headlights dim and bright at idle...help!

I saw this on another forum as a flicker cure:
"I fixed mine a while back by simply pulling and cleaning the contacts on auto shut down relay in the fuse box behind the battery box. Its the relay in the upper left corner (as you face the widshield). "

Also - have charging system checked - places will do it for free - you could have a weak alternator

Be sure battery cables are clean and tight, and be sure grounds are clean and tight, and can't hurt to add a couple more cables from minus of battery. I ran one to engine block, and another to the computer housing on the firewall...
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