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09-02-2013, 02:22 AM | #1 |
Active Member
Join Date: Feb 2013
Location: DFW TX
Posts: 133
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very dim headlights
I've had a 66 C10 for about six months. Last night I noticed the non-high beam lights are super dim. The brights work fine. The alternator is putting our 12V+. Any ideas about where to start? Thx.
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09-02-2013, 02:36 AM | #2 |
Senior Enthusiast
Join Date: Feb 2007
Location: Spokane Valley, WA
Posts: 8,356
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Re: very dim headlights
Dim headlights are almost always caused by poor grounding. The ground side of the lights connect somewhere to a piece of sheetmetal, and the electricity has to make it back to the battery through almost 5 decades of rust and dirt. On my truck I ran a separate wire from the ground side of each bulb to a common bolt on the radiator support. From that bolt, I connected a second battery cable to the engine block where the negative battery cable bolts to the engine. This permanently cures lighting and grounding problems.
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09-02-2013, 04:19 AM | #3 | |
Active Member
Join Date: Feb 2013
Location: DFW TX
Posts: 133
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Re: very dim headlights
Quote:
Thanks for the advice...I'll follow the ground path. |
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09-02-2013, 08:07 PM | #4 |
Registered User
Join Date: Feb 2009
Location: southeasternfoothillsofusa
Posts: 1,557
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Re: very dim headlights
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09-02-2013, 06:59 AM | #5 |
Registered User
Join Date: Jul 2011
Location: Anderson, Texas
Posts: 535
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Re: very dim headlights
check out a site with lots of info ( madelectrical )
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