ok, i have an R134A kit from pep boys in my car. First thing i decided to check was the refrigerant in the lines. My car had allready been converted to R134A and when i went to check pressure it was in the red (the compressor wasn't on so thats normal i think) My boy david had told me to check the high pressure switch by the accumulator (theres this bottle kinda thing that flows the refrigerant through it near the battery. There are also two wires comming out of that to a connector) by getting a paper clip and bridging the circuit. Supposedly if the high pressure switch was damaged it wouldn't send the signal to turn on the compressor. Well that did nothing. I pulled out the A/C Conditioning relay under the air filter and the coil is receiving power and it has power to send out through the relay... 10amp fuse by the driver side kick pannel is good. There are three wires on my A/C compressor.. Two on the top back that seem to be from a high pressure switch on the compressor, and one further up front by the clutch. I disconnected that one wire by the clutch and checked for power... nothing. I jumped the connection from the battery to the compressor where that wire is supposed to go (vehicle on, A/C on max) and the clutch engaged and turned on... I walk and reach in the car, 73 degree's of cooler than ambient temperature A/C. The day after reading the 73 degree temperature from the a/c vents (i used my multimeter and thermistor) I turned on the car, turned on the a/c to max, and put the R134A kit in and got my multimeter to read like 53 degree's farenheight. Not perfect but its a start.
For those of you that would recommend me providing switched power to the compressor to turn it on, i've tried that. I removed my fan clutch and installed an electric fan off of an 06 ford fusion (3.0 V6) and have that running switched power to a relay and the relay providing power to the fan. When i have that and the power to the compressor on at the same time, the revs on my motor go a bit low, at night, my cluster kinda dims and any other light i have on dims. Some times when i'll go to start my car i'll suffer either a no crank, no start issue or a crank, but no start. I doubt the electic fan causes that large a draw on the charging system/batter that it would kill the battery like that. And just providing power to the a/c compressors clutch shouldn't do it either. But obviously that idea isn't working so id like to try to fix it right. Once again, anyone got a wiring schematic?
whiterabbit7500 said:
dude, your still single cam? i thought you would be DOHC or SR by now. bump for you anyways man
My single cam provides more than enough power for me to drift. Id sooner upgrade to a full pollyurethane bushing kit and get coilover than drop an SR or DOHC KA. Hell, id sooner finish building my supra, and enjoy the 3.0L's of Boosted power that that built car will have to provide. :bigthumbu
Thanks man! :bigthumbu