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01-12-2015, 07:02 PM
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#26 |
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Registered User
Join Date: Jun 2011
Location: riverton,ut
Posts: 233
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Re: short in horn in 85
So I found the #240 wire in the diagram i think it must be shorted some where by top of the dash behind the cluster. I have the face plate off slide of piece off the column I'm having a hard time figuring out where it's bein help up on. I have all the screws removed that hold it in place. Do I have to remove the speedo cable to get it out of the truck.
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01-13-2015, 12:24 AM
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#27 | |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,950
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Re: short in horn in 85
Quote:
Did you try unplugging the horn relay and installing a fuse?
__________________
1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
And please let us know if and how your repairs were successful. |
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01-13-2015, 05:26 AM
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#28 |
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Registered User
Join Date: Jun 2011
Location: riverton,ut
Posts: 233
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Re: short in horn in 85
I haveny yet tried the relay I'll try that tomorrow. I'm pretty sure though my mechanic i took it to replaced the relay on it when trying to source the problem. But I needed it back so he just stopped on it so I could have it. This was back when my truck was my only means of transportation
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01-13-2015, 04:33 PM
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#29 |
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Registered User
Join Date: Jun 2011
Location: riverton,ut
Posts: 233
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Re: short in horn in 85
Okay so I disconnected relay. Installed new fuse and then relay as soon as I did that the fuse popped. So what do I do next?
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01-13-2015, 04:36 PM
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#30 |
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Registered User
Join Date: Jun 2011
Location: riverton,ut
Posts: 233
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Re: short in horn in 85
Forgot to mention that when I installed the relay to see if the fuse would pop. I used a new relay that I purhased
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01-13-2015, 04:41 PM
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#31 |
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Registered User
Join Date: Jun 2011
Location: riverton,ut
Posts: 233
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Re: short in horn in 85
Also you said that the dome is on a different circuit which fuse slot does it use and what amp fuse does it use?
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01-14-2015, 04:15 PM
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#32 |
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Registered User
Join Date: Jun 2011
Location: riverton,ut
Posts: 233
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Re: short in horn in 85
Used test light went from 204 circuit in relay terminal aka orange with fuse in and with the relay out, Light came on. Went ground to cig hot # 204 with relay out the light came on. Does this mean column has a short?
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01-14-2015, 07:35 PM
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#33 |
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Registered User
Join Date: Jun 2011
Location: riverton,ut
Posts: 233
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Re: short in horn in 85
Well the gm Gods thought they'd quit toying with me and show me the light or sound!!!
My truck needed a cigarette lighter dome light wiring fixed (haven't checked bulbs for curtassy lights maybe bad). After two relays and a few fuses, I hurd a click click from my relay when I pressed the horn button. I then proceeded to remove the grille and hooked up my dr side horn a slight spark happened. Then proceeded to my LH horn and did a bigger spark and blew my fuse. I thought weird. I disconnected my horns and tested them hooking up to the battery and my horns didn't work. This was weird as I use to have them on a push button that I riged up in the cab. After the horns didn't work I went over to my work bench grabbed a old motor cycle horn and hooked a wire to the battery for a good ground and the other to my oem horn hot wire connector. I then went to the cab hit my horn button on the column and to my surprise my horn blared. I still think it's crazy that both my hi and low horns went to crap. But some how worked intermittently. |
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