Computer is Out
07-17-2011, 09:42 AM
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Computer is Out
I swapped in a 350 carbed Vette motor in place of the 305 TPI and took out the cpu. What do I need to do to keep th A/C working? I believe the cpu controlled at least the high pressure cut off.
07-17-2011, 01:57 PM
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Car: 92 Firebird
Engine: Supercharged 6.0
Transmission: T56
Axle/Gears: 8.8 3.73
Re: Computer is Out
No it didnt
The ECM controlled the relay ground leg and had a tee into the compressor control to bump up the idle when AC was engaged. The pressure switches were for the safety/function of the system. If the pressure was too high or too low they opened the compressor circuit disabling AC until pressure could be restored
Emulate an earlier carb setup
The ECM controlled the relay ground leg and had a tee into the compressor control to bump up the idle when AC was engaged. The pressure switches were for the safety/function of the system. If the pressure was too high or too low they opened the compressor circuit disabling AC until pressure could be restored
Emulate an earlier carb setup
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