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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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#88639 05/12/2004 1:42 AM | Joined: May 2004 Posts: 30 Member | | Member Joined: May 2004 Posts: 30 | Hi, my truck's headlights work fine in low beam but when the dimmer switch is depressed to engauge the highs it turns the headlights off. any thoughts? I figure on pulling the dimmer out and inspecting it first then check it for continuity in it's different positions but i figured I'd ask ppl that know more than me about these trucks first. | | |
#88640 05/12/2004 2:15 AM | Joined: Feb 2004 Posts: 29,841 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,841 | Two possibilities- - - -both high beams burned out, or a bad dimmer switch. Try applying voltage directly to the headlight connections with a jumper wire at the back of the headlights. Two wires will be high and low beam, the other one is the ground. DON'T attach the hot wire to the ground, you'll get a big arc! I'm betting on a bad dimmer switch, they had a habit of failing pretty often.
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
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#88641 05/12/2004 4:06 AM | Joined: Mar 2004 Posts: 3,068 'Bolter | | 'Bolter Joined: Mar 2004 Posts: 3,068 | My money is on the dimmer switch. Seen alot of them melt down, usually out in the middle of nowhere.
Scott | | |
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