Headlights Flickering
Apr 16, 2006 | 10:21 PM
Thread Starter
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Mountain Pass
Joined: Feb 2006
Posts: 174
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Headlights Flickering
My headlights flicker after running it for a while. usually when on high. Could it be my floor switch? i had a bad voltage regulator but its new now.
Last edited by 4x4bigblock; Apr 16, 2006 at 10:23 PM .
Apr 16, 2006 | 10:26 PM
Joined: Sep 2001
Posts: 30,255
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4 places to look are the usual culprits:
Bad headlight switch or connector.
Bad floor switch or connector.
Bad headlight connectors.
Bad grounds.
Apr 16, 2006 | 10:35 PM
Joined: Jul 2003
Posts: 2,222
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From: East Central Florida
Bad Block to body, or block to nose sheetmetal [front clip] grounding cables too.
FBp
Apr 17, 2006 | 12:36 AM
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Apr 17, 2006 | 08:12 PM
Joined: Jun 2002
Posts: 1,203
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From: where the deer and antelo
I second what Mil1ion said. Best $35 (including the new headlights) I ever spent on my truck.
Apr 18, 2006 | 09:46 AM
Joined: Apr 2005
Posts: 213
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From: Port Coquitlam, BC Canada
I noticed a pulsatinn of my lights on my 79 truck, it stopped as soon as I held and pushed on the plug going to my voltage regulator, and gave it a good wiggle.
Apr 18, 2006 | 10:49 AM
Joined: Jan 2008
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Yes, Grounding of electrical components is most important.
Good idea to coat the contact with d-electric grease as well.
The Headlight flicker in Fords is a well known problem though.... because of the amount of current going through the switch.
GM's don't have this problem because they use the relay system.
But then again, Gm's also have major Grounding problems on their trucks.
Apr 19, 2006 | 07:07 AM
Thread Starter
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Mountain Pass
Joined: Feb 2006
Posts: 174
Likes: 1
what is the name of the switch, when ordering at the parts store. or do i just by passs it. i have not had time to read the links there yet . i will tonight. i want to put in silver stars also.
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Apr 19, 2006 | 10:12 AM
Joined: Jan 2008
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You need to read the articles.
The swap take a few hours to do.
People should also pay the extra money and buy the Bosch Relays.