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03-15-2008, 08:30 PM
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#1 |
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Senior Member
 
Join Date: Jul 2000
Location: North Texas
Posts: 3,465
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66 C10 wiring with factory AC
Can someone post a wiring diagram for a 66 C10 with factory A/C? I'm only interested the heater and A/C wiring. The A/C doesn't work (no compressor or lines) but I'm trying to figure out how to control the heater fan speeds. (Are there 2 or 3 speeds?)
Also, I'd appreciate any info on dropping the under-dash plenum so I can get to the holes in the firewall to run a new wiring harness into the engine compartment. Wiring behind and under the glovebox  
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Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! Last edited by MikeB; 03-15-2008 at 09:09 PM. |
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03-16-2008, 05:33 AM
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#2 |
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Registered User
Join Date: Jan 2007
Location: San Jose
Posts: 847
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Re: 66 C10 wiring with factory AC
I want to say I have one of these diagrams somewhere, but I can't find it.
I did however find this, if it is any help http://67-72chevytrucks.com/vboard/s...d.php?t=193429 |
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03-17-2008, 08:41 PM
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#3 |
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Senior Member
Join Date: Jul 2000
Location: North Texas
Posts: 3,465
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Re: 66 C10 wiring with factory AC
Thanks for the link. I just PM'ed rodnok1 and asked him for the full size diagrams.
Mike
__________________
Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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03-20-2008, 06:17 AM
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#4 |
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Senior Member
Join Date: Jul 2000
Location: North Texas
Posts: 3,465
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Re: 66 C10 wiring with factory AC
Found a 69 AC/heater wiring diagram. It's not exactly the same, but close enough that I now understand what all the parts are and how they are wired. Also have a 66 wiring diagram on the way to me from H&H Classics.
Thanks for your help.
__________________
Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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