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#1 |
Registered User
Join Date: Feb 2005
Posts: 20
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Help!!! 1986 GMC 1 ton dually
I replaced the stoch stereo with a CD player and then noticed after that the tail light/instrument fuse was blown. I replaced the fuse, but when i pull the headlight switch out 1 or 2 clicks it will blow again. I looked thru everything and traced the short to the power from the fuse box to the headlight switch. I cut the orange power wire going to the switch and reinstalled the fuse and the short is gone, but i have no lights. I havent touched it since sunday and last night i went out to look at things. with all the wires hooked back up again the fuse doesnt blow, but i still dont have tail/park lights or instrument panel lights. any suggestions? The headlights work, high and low beam, brake lights work, dome light, and blinker but none other
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#2 |
Registered User
Join Date: Feb 2005
Posts: 20
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one more thing, when it was still shorting i replaced the headlights switch but that did not help, so i put the old one back in and it still was shorting untill last night. I returned the switch and am still using the old switch
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#3 |
Project92 SWB stepside
Join Date: Feb 2003
Location: Louisville KY
Posts: 4,793
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You likely need to unhook the dimmer wire from your radio. cut it and see what happens. What brand radio is it, Some odd units have a neg triggered dimmer and most have a pos triggered one.
__________________
92 C1500 stepside 496 Stroker Competiton Engineering Ladder bars/QA1 coilovers. Dana 60 rear with 4.10 gear and posi. Bonspeed Palisade 20x12 in rear w/335/30/20 and 20x8.5 front w/245/40/20. 5/8 drop with Belltech springs/DJM spindles/drop shocks. WWS Progress thread http://67-72chevytrucks.com/vboard/s...d.php?t=140448 |
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#4 |
Registered User
Join Date: Jun 2004
Location: Palatka,Florida
Posts: 27
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instrument light wire going to your stock radio is gray. also one of the front left speaker are gray. same thing happen to my buddy's dad's truck. he drove it for 3 years like that before he found out what it was.
__________________
'72 K/5 Factory 4Spd '86 K-10 SWB Silverado '88 K-1500 GMC Z-71 Stepside '75 c-60 8yd dump '06 F-350 KingRanch 4X4 |
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#5 |
Registered User
Join Date: Feb 2005
Posts: 20
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it turns out (1) of the (2) orange wires coming from the fuse box to the headlamp switch is the problem. I guess i lost my glove box light and cig lighter. I am gonna re wire that side of it but atleast i CAN DRIVE AT NIGHT NOW!! what a bi*^*ch
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#6 |
Registered User
Join Date: Feb 2005
Posts: 88
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Hey Sounds like a back breaker trying to see under the dash .
Funny I Iam a new memeber and had to tell ya. I have only had my 1984 GMC for 3 days when my son droped a dime in the cig lighter and didnt tell me. It took me a week to work this out .He was helping me cleaning out the inside and their was change in the cig tray .Note The change was not enough to cover the replacement lighter and 2 fuses. The wire going to the back off the lighter{the Orange one} melted. |
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#7 |
Registered User
Join Date: Feb 2005
Posts: 20
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thats funny!!! i would guess my problem is the cig lighter b/c i removed the stereo and the duct that pass very close to those wires in the rear
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