Third Gen Camaro Airbox Installation and AC Wiring (AC Retrofit Ep 3)
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- Опубликовано: 22 авг 2024
- Re-assembly commences! The airboxes go back in and we begin checking if the stock wiring harness will be able to support the added AC components.
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Music: Modern Rock Boy by Audionautix is licensed under a Creative Commons Attribution license
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Hoping to go through this entire process with my RS sometime this year! Thanks for sharing all your effort and time with us.
Major job. Enjoying your efforts, thanks for taking us along, look forward to a "cool ride" Cheers!
This is very useful I’m going through my 82 and setting A/c up so once swap the motor it’ll be ready to go plug and play subbed!
Glad it helped! What motor are you swapping in? Whatever it is would probably kick the snot out of my bone-stock 305 hahaha
@@brickheadgarage554 5.3 Ls I bought the car with a messed up tranny motor runs but needs carb work tune and gaskets so i reasoned it out and would rather swap in the modern stuff with more power
Hi, im in the middle of doing this swap on my 5.7L 1988 formula and looking at 13:59, on my car the male connector ( that was on the car originally) only has 2 pins whereas the female connector from the a/c wiring harness has 4 wires connected to it (came from a 1992 camaro V8, dont know if tbi or tpi). I noted the wiring differs from a tpi w/dual fans, tpi w/ single fan, and tbi cars (according to my haines manual), would you happen to know the differences in this connector through 1988 to 1992?
Interesting! It's been a while, but re-watching the footage looks like of the 3 wires that were present in my 4-pin connector (only 3 of which were used), one was ground (Black), one controls the radiator fan (green) and one connects the low-pressure switch to the high-pressure switch and also connects to the ECM. If there is a fourth wire rather than just three, I would guess that would be related to a dual-fan setup? (not sure) and if it's only two, I would guess that either it is missing the radiator fan signal or it is missing the ground connection.
It would be pretty easy to check if either of the two pins on your male connector are ground by using the continuity setting on a multimeter. To discover what the other pin does (or what both do if neither are ground) follow roughly what I did in the video and try and see where each wire connects. I'm willing to bet that one of the wires on the body connector will connect to the high-pressure switch, this pin would need to connect to the pin on your 4-pin a/c harness that connects to the low-pressure switch. As for testing if a wire is connected to the radiator fan relay, I never did this testing and relied on the wiring diagram from the Hanes manual, but you could try disconnecting the radiator fan relay and probing the pins there.
I'm assuming the 4-pin a/c harness you have is the same as what's in the video here? If so you should be able to decipher the pinout from the video. I think what is likely is that the 2-pin connector has 2 of the 3 connections you need, and you simply need to put on your own connectors to correctly connect the individual wires. Ironically I found some of the best resources for figuring out what the AC wiring did was to watch videos on people wiring up AC in these cars for LS swaps, as they go into detail about what the bare minimum wiring you need is, so I'd recommend looking into that if you get stuck. Feel free to reply with more questions and I'll try my best to help! Good luck!
@@brickheadgarage554 I tested the green wire and it does lead to the compressor clutch and pressure switch, the black wire is indeed ground.
The a/c harness i bought doesnt have a red wire with grey connector like yours at 17:48 , but my car has it, im guessing this is what supplies power to the high blower relay? If so, that means one of the wires on the female 4 pin connector is supposed to connect to it since it goes to the relay. GM probably got rid of the crappy grey connector that was broken in your video and put the red wire in the 4 pin connector. I'll head to my garage now and will try to find out what the other unknown wire does.
The haynes wiring diagrams state that there should be no difference in wiring between 88-92, which is sort of the case since our cars switched to serpentine belts in 88 and hasnt changed after, but it doesnt say what connectors are used for all those wires, and it seems some connectors were swapped out.
Btw, did your car originally have a connector that looks like a pressure switch in a loom close to the hard line that connects the evaporator and condenser? I saw on TGO that there is a pressure switch in the line that tells the secondary radiator fan to turn on when the system reaches a certain pressure
Thank you very much for the help, i searched a lot on TGO about this swap, but almost all the threads say that the "a/c challenged car" should be sold to buy an a/c car. Finding your post on the forum with these videos linked is what finally made me pull the trigger as almost everything related to the swap is shown in this series.
Cheers!
The ac hardline I got has the connector for the secondary radiator fan but my car only came with a single radiator fan so I left it unplugged, I haven’t checked if there’s a connector for it hiding in the wiring harness, I would assume the harness would be different for single vs dual radiator fans? But hey! My car came without ac and had the connectors for it so could be wrong.
As for the connectors you might be onto something! And if that is the case it should be possible to connect everything so long as you find all the wires on both sides, let me know how it goes! I’m sure it’ll all work in the end!!!