Headlight dimmer switch - The 1947 - Present Chevrolet & GMC Truck Message Board Network

cgster · 02-24-2018, 11:10 AM

My headlights only work when high beam is on (68 c10 truck), so I replaced dimmer switch hoping that might fix the problem. Did not fix the problem. Truck has been a work in progress for over 2 years and has the same headlights as when I bought it 2 1/2 years ago so not sure if they even worked at that time. If high-beams work, would that alleviate a wiring issue? Could both headlights possibly be bad? I know very little about wiring, so not sure how to rule out wiring issue. Thanks

02-24-2018, 11:10 AM	#1
cgster Registered User Join Date: Aug 2015 Location: Texas Posts: 327	Headlight dimmer switch My headlights only work when high beam is on (68 c10 truck), so I replaced dimmer switch hoping that might fix the problem. Did not fix the problem. Truck has been a work in progress for over 2 years and has the same headlights as when I bought it 2 1/2 years ago so not sure if they even worked at that time. If high-beams work, would that alleviate a wiring issue? Could both headlights possibly be bad? I know very little about wiring, so not sure how to rule out wiring issue. Thanks

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