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- - LS Swap Harness AC Wiring pin out Help (https://67-72chevytrucks.com/vboard/showthread.php?t=817243)

Worldofhurts

01-21-2021 08:10 AM

LS Swap Harness AC Wiring pin out Help

I purchased an after market standalone harness and noticed it does not come with the AC request wire. While I have the harness out does anyone know what wire or wires/pin numbers I need to add. My plans are to add a Vintage air AC/Heat set up to my 67' C10. My donor motor is an LQ9 6.0 4l80E out of a 2005 Silverado with a Delphi Green/Blue PCM

ls1nova71

01-21-2021 10:18 AM

Re: LS Swap Harness AC Wiring pin out Help

You likely won't be able to do what you are thinking. Starting in 2003 trucks went to a serial data A/C request rather than a 12v one. Just run the VA stand alone and it will be fine.

rodstored-72

01-21-2021 10:27 AM

Re: LS Swap Harness AC Wiring pin out Help

Quote:

Originally Posted by ls1nova71 (Post 8867436)

You likely won't be able to do what you are thinking. Starting in 2003 trucks went to a serial data A/C request rather than a 12v one. Just run the VA stand alone and it will be fine.

agree ;) I was looking at trying to use my factory uncut harness from my 2013 and after discussion with V.A. reps (in person) they indicated that the system is designed for their harness only & they do not recommend any variant from their products. in all honesty it actually works out to be a easier install if done as recommended :metal: just my 2cts :smoke:

good luck!!;)

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