electrical problems - The 1947 - Present Chevrolet & GMC Truck Message Board Network

greasemonkey · 03-27-2003, 07:26 PM

After being plagued with various problems with turn signals, brake lights, etc, I finally bought a turn signal switch. Put it in, no big problems installing it. Turn signals work, hazards don't and they did before. Brake lights don't work. Found blown fuse, put new one in, it blows. After three blown fuses, I found that the white wire coming from the turn signal switch was the cause of the problem. I had accidentally pulled off the connector that hooks into the plug before I installed the new switch so I took one off the old switch and crimped it on with a pair of pliers, and had wrapped it up in tape. Two questions: (1) is the hazard lights hooked into the brake lights and that is why they don't work now, and (2) what should I look for to fix the problem of blowing fuses? I know it is the white wire, but how do I fix it?
I appreciate any help,
John

blue_69 · 03-27-2003, 08:09 PM

(1) Yes but im not sure how or where. When you apply the brakes it more or less turns on both turn signals without the flasher

(2)You have a short to ground somewhere. If both turn signals work without blowing a fuse then it must be bettween the turn signal switch brake switch and fuse block. I would carefully check the turn signal switch because thats what you cahnged right before the fuse started blowing. Maybe a pinched wire or terminal on the switch or the wire you pulled out could be touching metal.

Hope this helps
jason

greasemonkey · 03-28-2003, 06:42 PM

Thanks blue_69, I fixed the brake lights, the wire was pinched and grounding out. However, another problem: the brake lights work, BUT the turn signals do not. The hazards worked now. If I pushed halfway down on the hazard button, it would alternate between hazards and turn signals (if I had the turn signals on), but no signals regularly. Then I was messing around trying to fix the turn signals and the hazards stopped working. This is getting really frustrating and is it possible that I got a bad switch? I would like that better than something else being broken. This turn signal switch was supposed to solve my problems, but it is creating more.
Thanks in advance,
John

03-27-2003, 07:26 PM	#1
greasemonkey Registered User Join Date: Dec 2001 Location: Pace, FL Posts: 2,155	electrical problems After being plagued with various problems with turn signals, brake lights, etc, I finally bought a turn signal switch. Put it in, no big problems installing it. Turn signals work, hazards don't and they did before. Brake lights don't work. Found blown fuse, put new one in, it blows. After three blown fuses, I found that the white wire coming from the turn signal switch was the cause of the problem. I had accidentally pulled off the connector that hooks into the plug before I installed the new switch so I took one off the old switch and crimped it on with a pair of pliers, and had wrapped it up in tape. Two questions: (1) is the hazard lights hooked into the brake lights and that is why they don't work now, and (2) what should I look for to fix the problem of blowing fuses? I know it is the white wire, but how do I fix it? I appreciate any help, John __________________ 1942 Master Deluxe 1969 C/10 1985 Blazer CUCV 1987 Jimmy 2004 Tahoe 2005 Silverado 1500 2005 Silverado 3500

03-27-2003, 08:09 PM	#2
blue_69 someday Join Date: Dec 2001 Location: canastota,new york Posts: 629	(1) Yes but im not sure how or where. When you apply the brakes it more or less turns on both turn signals without the flasher (2)You have a short to ground somewhere. If both turn signals work without blowing a fuse then it must be bettween the turn signal switch brake switch and fuse block. I would carefully check the turn signal switch because thats what you cahnged right before the fuse started blowing. Maybe a pinched wire or terminal on the switch or the wire you pulled out could be touching metal. Hope this helps jason __________________ Click Here to search ebay for all 67-72 parts My 72 CST blazer build 72 CST Blazer 4x4 67 2wd swb ( project onion crate ) 86 4x4 lwb plow truck 40 x 60 foot barn to work on all this stuff

03-28-2003, 06:42 PM	#3
greasemonkey Registered User Join Date: Dec 2001 Location: Pace, FL Posts: 2,155	Thanks blue_69, I fixed the brake lights, the wire was pinched and grounding out. However, another problem: the brake lights work, BUT the turn signals do not. The hazards worked now. If I pushed halfway down on the hazard button, it would alternate between hazards and turn signals (if I had the turn signals on), but no signals regularly. Then I was messing around trying to fix the turn signals and the hazards stopped working. This is getting really frustrating and is it possible that I got a bad switch? I would like that better than something else being broken. This turn signal switch was supposed to solve my problems, but it is creating more. Thanks in advance, John __________________ 1942 Master Deluxe 1969 C/10 1985 Blazer CUCV 1987 Jimmy 2004 Tahoe 2005 Silverado 1500 2005 Silverado 3500

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