Problem with courtesy lights - The 1947 - Present Chevrolet & GMC Truck Message Board Network

79gmcc15 · 02-01-2011, 06:26 AM

Before you go changing your door jamb switches. try spraying some wd40, and push on them some. they can get stuck. They are easy to do, but be warned, fitment sucks so you have to play with them to get them to stay. One last thing, just make sure you did not twist the head light knob all the way to the left, and forgot to turn it back, or whatever.

motornut · 02-01-2011, 08:45 AM

the wire is white and comes threw with a rubber groment above and left of the e brake pedal(same place on ther side)
unsrew the switch in the jamb pull it out and check for crud
two wires one for the light and one for the buzzer
in mine there is a wire that connects the dome to the under dash lights
it was by the fuse box(all white wires)
in mine the wire ran across just under the lip of the dash to a light by the hump
this might help find your wires/probs

02-01-2011, 06:26 AM	#1
79gmcc15 Gettin It One Pice At A Time Join Date: Oct 2004 Location: everett, washington Posts: 2,688	Re: Problem with courtesy lights Before you go changing your door jamb switches. try spraying some wd40, and push on them some. they can get stuck. They are easy to do, but be warned, fitment sucks so you have to play with them to get them to stay. One last thing, just make sure you did not twist the head light knob all the way to the left, and forgot to turn it back, or whatever. __________________ RIP ELJAY Work In Progress 1979 GMC C1500 Trailering Special. Getting the truck done, one piece at a time. “You can tell a lot about a fellow’s character by his way of eating jellybeans.”Ronald Reagan “I don’t know the key to success but I know the key to failure is trying to please everybody.” Bill Cosby

02-01-2011, 08:45 AM	#2
motornut 78K & 79C Jimmys Join Date: Nov 2009 Location: Ottawa Ont CANADA Posts: 7,901	Re: Problem with courtesy lights the wire is white and comes threw with a rubber groment above and left of the e brake pedal(same place on ther side) unsrew the switch in the jamb pull it out and check for crud two wires one for the light and one for the buzzer in mine there is a wire that connects the dome to the under dash lights it was by the fuse box(all white wires) in mine the wire ran across just under the lip of the dash to a light by the hump this might help find your wires/probs __________________ John 1978 GMCJimmy4X4-350/203 1979 GMCJimmy4X2-305/350



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