1981 Trekker needs simple A/C help!
#1
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1981 Trekker needs simple A/C help!
Hey guys,
Dug around but couldn't find an answer to a hopefully a simple request. I just need to see what the wiring running to the A/C compressor consists of. Basically, what wire activates the compressor. Working with a Trekker so it did have air conditioning originally. I have also done a Weber conversion if that affects things. Thanks in advance!
Dug around but couldn't find an answer to a hopefully a simple request. I just need to see what the wiring running to the A/C compressor consists of. Basically, what wire activates the compressor. Working with a Trekker so it did have air conditioning originally. I have also done a Weber conversion if that affects things. Thanks in advance!
#3
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Hi, Corey, good to hear from you! Yeah, I'd appreciate the help. I would think someone who has A/C could just take a quick look or snap a picture... The wire ON the compressor is black, but not sure which wire leads to it. There is a green wire with a plug that seems to have constant 12V power regardless of what I do with the A/C switch. This green wire shares a taped harness with a yellow / green wire that is for the temperature sender. Maybe that's it and I'm just not clear on how the circuit works? Thanks for the help and hope you're well!
#5
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Really appreciate you sending this off, Corey! I spent several hours probing around and still can't figure this out, though. Several black / white wires exist but none of them seem to have any voltage effect when I activate the A/C switch. Wondering if I just don't understand how this circuit works (well, that's obvious!)? I'm going to start back at the A/C amplifier and see where that takes me. Thought there would be someone out there with a first gen w/ A/C that could easily show me the wire routing in the engine compartment... Fingers crossed on that still! Thank you again.
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2many (11-21-2023)
#7
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Thanks so much, man! Really appreciate it. Ironically, it looks like the '81 truck doesn't have its electrical connection hooked up either, so I'm still a bit lost on what it plugs into... Any chance your buddy can point out the corresponding wire on that truck? Thanks again!
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#9
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Thanks so much, man! Really appreciate it. Ironically, it looks like the '81 truck doesn't have its electrical connection hooked up either, so I'm still a bit lost on what it plugs into... Any chance your buddy can point out the corresponding wire on that truck? Thanks again!
connector
wiring diagram
Last edited by scottd; 11-25-2023 at 07:03 PM.
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2many (12-24-2023)
#10
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Boom! Scottd - thanks so much! That got me in the right direction and I went digging through my "removed parts" box. Seems like I never throw away anything and found the pigtail that went to the carb / emission loop when I swapped to a Weber. Removed the unnecessary wires and we're back in business. Now just need to get it charged... Really appreciate the help, guys!
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