Head Lights not working - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Nelson · 06-30-2005, 12:19 AM

Wierdest thing happened... Neither head lights work. Don't matter if its low or high beam. I check the lights, and fuses panel. There ok. I am thinking maybe tomorrow checking the junction box on the fire wall before ripping apart the the light switch.
Any ideas?

**VetteVet** · 06-30-2005, 01:12 AM

Run a jumper wire from battery positive to the tan or light green wire on either head light plug. If the light don't come on then check the grounds to each headlight. If they do then check the plug at the dimmer switch.It could be a bad dimmer switch also.
Do the parking lights work when you pull the switch out part way?

speedracer · 06-30-2005, 03:07 PM

I had that happen to me. Drove me CRAZY check your highbeam switch it can get dirty, disconneted, or short out (takes some real abuse on the floor) but the low beams and hi beams both run through the switch its the first thing to go

cdowns · 06-30-2005, 03:32 PM

dimmer switch

Nelson · 06-30-2005, 10:52 PM

Thanks guys! Speed Racer was right. You pointed me it the right direction. The connector for the High Beam switch was corroded. The ground wire was the wrost, as it's common to the high and low beam circuit.

06-30-2005, 12:19 AM	#1
Nelson Registered User Join Date: Jun 2001 Location: cambridge,ont,canada Posts: 128	Head Lights not working Wierdest thing happened... Neither head lights work. Don't matter if its low or high beam. I check the lights, and fuses panel. There ok. I am thinking maybe tomorrow checking the junction box on the fire wall before ripping apart the the light switch. Any ideas? __________________ Nelson 1970 C10 350 Auto. A/C not Working

06-30-2005, 01:12 AM	#2
VetteVet Msgt USAF Ret Join Date: Jan 2005 Location: Kalamazoo, Michigan Posts: 8,718	Run a jumper wire from battery positive to the tan or light green wire on either head light plug. If the light don't come on then check the grounds to each headlight. If they do then check the plug at the dimmer switch.It could be a bad dimmer switch also. Do the parking lights work when you pull the switch out part way? __________________ VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative.

06-30-2005, 03:07 PM	#3
speedracer Blank Join Date: May 2005 Location: Southington, CT Posts: 221	I had that happen to me. Drove me CRAZY check your highbeam switch it can get dirty, disconneted, or short out (takes some real abuse on the floor) but the low beams and hi beams both run through the switch its the first thing to go __________________ 1969 lwb 4/6 drop 17x8-18x10 torque thrust II's 327-420hp 2004R 3.73 posi. 1977 Corvette 350-375hp 4speed, silver show car. 2002 S10 xtreme, work truck 2004.5 VW jetta GLI 1.8T 6speed, weekend warrior. 2013 Audi A3 TDI, the wife's car

06-30-2005, 03:32 PM	#4
cdowns Senior Member Join Date: Jan 2003 Location: daytonabeach Posts: 22,956	dimmer switch __________________ 71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY

06-30-2005, 10:52 PM	#5
Nelson Registered User Join Date: Jun 2001 Location: cambridge,ont,canada Posts: 128	Thanks guys! Speed Racer was right. You pointed me it the right direction. The connector for the High Beam switch was corroded. The ground wire was the wrost, as it's common to the high and low beam circuit. __________________ Nelson 1970 C10 350 Auto. A/C not Working

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