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11-04-2005, 01:08 PM
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#1 |
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Registered User
Join Date: Dec 2004
Location: Stephenville, Texas
Posts: 420
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I am needing a/c wiring diagram 78 k 1/2 ton
Checking to see if anyone might have a a/c wiring diagram that will work on my 78 1/2 ton 4wd. If you know where I can locate or if you have one please help.
__________________
72 Super Cheyenne lwb 4X4 Ocra / White  88 Chevy 1 ton Dumptruck 88 Chevy 1ton Flat bed 4X4 white
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11-04-2005, 06:57 PM
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#2 |
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I'm back with 2nd truck!
Join Date: Feb 2002
Location: Texas
Posts: 3,774
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Re: I am needing a/c wiring diagram 78 k 1/2 ton
Is there a part specific you're looking for or just the whole thing? If the whole thing you can get repros or factory style off ebay from time to time.
__________________
1979 Chevrolet Bonanza Big10 "Tootsie Roll" 1985 Chevrolet Silverado (wife's) Member of the Southern Bowties Club "Don't underestimate how sexy a fat man who drinks to excess can be." Homer Simpson |
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11-04-2005, 08:29 PM
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#3 |
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Registered User
Join Date: Dec 2004
Location: Stephenville, Texas
Posts: 420
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Re: I am needing a/c wiring diagram 78 k 1/2 ton
Thanks, I am having trouble with my A/C blowing fuses on high only. I havent had the truck long, so I am not for sure some hack hasnt been working on it before me. I have put a new relay, new resistor but that hasnt helped.
__________________
72 Super Cheyenne lwb 4X4 Ocra / White 88 Chevy 1 ton Dumptruck 88 Chevy 1ton Flat bed 4X4 white
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11-04-2005, 09:00 PM
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#4 |
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I'm back with 2nd truck!
Join Date: Feb 2002
Location: Texas
Posts: 3,774
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Re: I am needing a/c wiring diagram 78 k 1/2 ton
I'm curious if the blower motor may be going bad as well.
__________________
1979 Chevrolet Bonanza Big10 "Tootsie Roll" 1985 Chevrolet Silverado (wife's) Member of the Southern Bowties Club "Don't underestimate how sexy a fat man who drinks to excess can be." Homer Simpson |
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11-05-2005, 11:32 AM
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#5 |
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Registered User
Join Date: Dec 2004
Location: Stephenville, Texas
Posts: 420
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Re: I am needing a/c wiring diagram 78 k 1/2 ton
I can wire the fan direct and it seems to work fine.
__________________
72 Super Cheyenne lwb 4X4 Ocra / White 88 Chevy 1 ton Dumptruck 88 Chevy 1ton Flat bed 4X4 white
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11-06-2005, 03:33 AM
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#6 |
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I'm back with 2nd truck!
Join Date: Feb 2002
Location: Texas
Posts: 3,774
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Re: I am needing a/c wiring diagram 78 k 1/2 ton
Sounds like the switch in the panel I would think maybe?
__________________
1979 Chevrolet Bonanza Big10 "Tootsie Roll" 1985 Chevrolet Silverado (wife's) Member of the Southern Bowties Club "Don't underestimate how sexy a fat man who drinks to excess can be." Homer Simpson |
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11-07-2005, 11:03 AM
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#7 |
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Registered User
Join Date: Dec 2004
Location: Stephenville, Texas
Posts: 420
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Re: I am needing a/c wiring diagram 78 k 1/2 ton
Changed out switch in dash, blower motor, speed resistor and relay. This still did not fix it. It now blows cold Just cant put it on high. Guess I will have to settle for this now. Thanks for your help.
__________________
72 Super Cheyenne lwb 4X4 Ocra / White 88 Chevy 1 ton Dumptruck 88 Chevy 1ton Flat bed 4X4 white
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