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73-87 Chevy _ GMC Trucks => Interior & Equipment => Heating, Ventilation & Air Conditioning (HVAC) => Topic started by: thefarmboy21 on May 08, 2017, 01:02:30 pm

Title: Questions on Adding A/C
Post by: thefarmboy21 on May 08, 2017, 01:02:30 pm

I've got an 86 K20 that I'd like to add air conditioning to. I've got two parts cabs (87 R10 & 83 C10) , both with AC from factory. Other than the actual heater box and the vents, what all needs swapped? Where do I tap the wiring into? What all is recommended I replace off the bat? I'm really not sure if either cab has all the wiring. But both seem to have most of the parts on the firewall.

Title: Re: Questions on Adding A/C
Post by: zieg85 on May 08, 2017, 02:18:45 pm

The firewall holes are totally different for the AC versus non-AC cabs