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Old 09-27-2010, 12:13 PM   #1
scottcorvette
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68 C10 No heater wiring

Getting to the end of my UK based ratty C10 project. My heater was missing completely and its bloody cold over here all the time. So I sourced through US ebay a complete non a/c heater box and controls, and from ECE a new heater core, control resistor, hoses, and control reface kit. All nicely installed and ready to hook up. Lo and behold no heater wiring of any sort.

Does anybody have a good diagram of what wire should go where?

I am going to have to make up a heater harness. I think I have found the original feed wire which is a brown from the ignition switch, but it disappears under the carpet and has been cut off. I need to know what happens from there.....

Thanks in advance.
Scott, shivering in England!
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Old 09-27-2010, 12:26 PM   #2
69 1/2 Six Pack Bee
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Re: 68 C10 No heater wiring

Look here:
http://67-72chevytrucks.com/vboard/s...29&postcount=4
Cheers
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Old 09-27-2010, 10:19 PM   #3
red71cheyenne
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Re: 68 C10 No heater wiring

If you look at that one and the color one in the electrical FAQ, it'll show you that the brown wire runs all the way to the fuse box, its part of the power circuit for the heater. If you want to wait a bit, I'll pull mine out and send it to you for the cost of shipping. I installed an Old Air system and the factory harness is just sitting there. I'm not going to back pull the brown all the way to the fuse box, but I'll cut it off long enough for you to splice into. The rest of the harness and plugs are intact and uncut.
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection
1969 K5 Blazer (Are they ever really done?)
1995 K1500 Suburban
2005 Malibu
2005 K1500 Suburban
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2010 2SS/RS Orange Camaro!
Next project 71 Cab on a 76 short bed 4X4 frame converted to flat bed.
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Old 09-28-2010, 11:04 PM   #4
scottcorvette
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Re: 68 C10 No heater wiring

Thanks Guys, the wiring diagram is for an a/c truck though. Mine is non a/c.
Red 71 is yours a non a/c harness. If so I would be very gratefull to you for that. PM me your details and a cost of shipping to Michigan 49125.
Thanks
Scott
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Old 09-29-2010, 08:44 AM   #5
red71cheyenne
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Re: 68 C10 No heater wiring

PM sent.
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1971 Cheyenne C-10 w/700R4 and Tuned Port Injection
1969 K5 Blazer (Are they ever really done?)
1995 K1500 Suburban
2005 Malibu
2005 K1500 Suburban
2007 Malibu LTZ
2010 2SS/RS Orange Camaro!
Next project 71 Cab on a 76 short bed 4X4 frame converted to flat bed.
Does it ever stop?
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