Fan Control Using Air Divert Output
08-23-2005, 01:05 AM
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Car: 1988 Camaro IROC LB9 F
Engine: 305 HO EFI
Transmission: TH700R4
Axle/Gears: GU5 LS 3.23
Fan Control Using Air Divert Output
I have a 165 ecm using the Arap bin and would like to use the ECM and the (unused) air divert output to control my cooling fan. I use a 180 deg. thermostat and bulky adjustable thermo switch for fan control..this works but looks awful.
I can follow the wire logic but I'm not sure if there are other ECM routines that would affect engine operation? Both AIR and EGR hardware have been removed.
Can I use the AIR divert output to the fan relay without other changes to the Arap bin?
I can follow the wire logic but I'm not sure if there are other ECM routines that would affect engine operation? Both AIR and EGR hardware have been removed.
Can I use the AIR divert output to the fan relay without other changes to the Arap bin?
08-23-2005, 08:02 AM
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Car: 1989 Iroc-Z
Engine: 350ci SBC
Transmission: 700R4
Do a search for Glenn's post about using the ECM to control both cooling fans. All you need to do is swap a pin....
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