C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

wire one switch a/c on/off?

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Old Mar 26, 2014 | 10:15 PM
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Default wire one switch a/c on/off?

My vette is 90% track and only 10% street. And only would need my a/c during summer. My a.c. is fine except it keeps blowing the control module and I'm not going through any more troubleshooting. Just don't care that much. I also hate my automatic climate control and its never worked right.

I want to wire my system to one wire. Can I just wire the ac fan to ground a wire and turn the compressor on by the same switch? If its not possible im tearing it all out. Problem is I need the defroster. When it rains its impossible to see. Complete 0% visibility.... not good on the track.
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Old Mar 27, 2014 | 07:02 AM
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Default Switch

I don't know the wiring but if you need to control multiple items, what about using a DPST or DPDT switch?
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Old Mar 27, 2014 | 07:04 AM
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Default

Originally Posted by rithsleeper
I want to wire my system to one wire.
Can I just wire the ac fan to ground a wire and turn the compressor on by the same switch? .
Rewire it like a early non elec car ?

Replace the BCM with a relay ( for the current draw ) ;
single switch operates relay to give Hi speed blower and also powers up the compressor circuit
In '84 example below , switch would power the org wire to relay and lt green to compressor


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