Rear A/C in an 80? (1 Viewer)

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Thanks again for all the additional information. So far I have learned there are at least two different units available. One of these pics I found on another thread I am sure you all have seen, there is a heater & A/C option. The unit I am installing only has the A/C function. We were able to trace the wires individually, unfortunately the diagram on a few post above did not match to our unit and was very different. I think we got the custom harness made, but we are running as a standalone unit. So the compressor has to be turned on in front in order for the rear to blow cold, from there you can turn off or adjust speed, but not really temperature. I don't see us needing to turn on the rear A/C without the front already being on, so this is not really an issue for us. Also if we want the rear A/C on, no sense in having anything other than max cold coming out, otherwise we will just shut it off and regulate the front climate controls. Maybe once we actually use we might see different, but for now this should work for us. Next up is making the high & low side refrigerant lines.

View attachment 3657788View attachment 3657787
I don’t believe it is actually heated as that’s the model of controls that i have and it only has ac lines that run to it, no heater hoses, although would be cool to work as both
 
Thanks again for all the additional information. So far I have learned there are at least two different units available. One of these pics I found on another thread I am sure you all have seen, there is a heater & A/C option. The unit I am installing only has the A/C function. We were able to trace the wires individually, unfortunately the diagram on a few post above did not match to our unit and was very different. I think we got the custom harness made, but we are running as a standalone unit. So the compressor has to be turned on in front in order for the rear to blow cold, from there you can turn off or adjust speed, but not really temperature. I don't see us needing to turn on the rear A/C without the front already being on, so this is not really an issue for us. Also if we want the rear A/C on, no sense in having anything other than max cold coming out, otherwise we will just shut it off and regulate the front climate controls. Maybe once we actually use we might see different, but for now this should work for us. Next up is making the high & low side refrigerant lines.

View attachment 3657788View attachment 3657787
do you have any idea with the wiring? what wires are for what etc?
 
I don’t believe it is actually heated as that’s the model of controls that i have and it only has ac lines that run to it, no heater hoses, although would be cool to work as both
Definitely not heated.

do you have any idea with the wiring? what wires are for what etc?
I have a spare rear AC set up (I hoard VX stuff whenever I come across it), I don't particularly need the wiring though. Only have the wiring from main harness to the blower, but it's better than nothing. Where in Aus are you? I can donate some bits, also a few VX 80s wrecking near me (Sydney) you could get more wiring from.
 
Definitely not heated.


I have a spare rear AC set up (I hoard VX stuff whenever I come across it), I don't particularly need the wiring though. Only have the wiring from main harness to the blower, but it's better than nothing. Where in Aus are you? I can donate some bits, also a few VX 80s wrecking near me (Sydney) you could get more wiring from.
your a legend, i’m new to these forums, is there anyway you can send me a pm with your number so we can work something out?
 

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