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Putting Radiator fan on high?

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"Reaper"

Gone To The Dark Side
Joined
Nov 22, 2007
Messages
1,011
My A/C is not working and I am running a full throttle chip. I am wanting to put my fans on race mode or high speed. How can I jump the A/c wiring so I am able to turn it on threw the chip?

Or is there a way to do it with out going threw the chip settings so that the fans will all ways work on high.

Thanks
Shaun
 
If you want the ECM controlled low speed fan setting to trigger the fan on high speed jump out the big resistor near the fan power connector with a 10 or 12 gauge single conductor wire.

Every time the fan turns on it will run at high speed.

Or you can install a plug and play Hi/Lo fan switch from the Buick vendors that will manually allow the A/C pressure switch to be used to trigger low or high speed operation any time the IGN is in the ON position and the switch is in HI or LO mode (not off).
 
If you want the ECM controlled low speed fan setting to trigger the fan on high speed jump out the big resistor near the fan power connector with a 10 or 12 gauge single conductor wire.

Every time the fan turns on it will run at high speed.

Or you can install a plug and play Hi/Lo fan switch from the Buick vendors that will manually allow the A/C pressure switch to be used to trigger low or high speed operation any time the IGN is in the ON position and the switch is in HI or LO mode (not off).

Hey thanks found that @ Kirbans

Shaun
 
If you are trying to access the AC on parameters in the chip, unplug the connector at the receiver/drier and jump the connector with a paper clip.
 
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