Dlock13 Posted July 28, 2017 Share Posted July 28, 2017 I have a 1996 Mack E7-454 that I would like to upgrade to the air clutch fan. I'm looking for any help with wiring in the factory engine harness, factory install location for the air solenoid switch. I realize I could get a temp switch and high pressure a/c switch and run it that way. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/50584-vmac-ii-air-clutch-fan-wiring/ Share on other sites More sharing options...
Mackpro Posted July 28, 2017 Share Posted July 28, 2017 I'm not working today but I'll try to post a wiring diagram on Monday. On the Vmac II the air fans ran through the ECM. So a trip to the dealer to turn on the parameter will be needed. Or you could run it like the VMAC I or as you said adding sensors. Regardless you will have to add a AC high pressure switch Quote Link to comment https://www.bigmacktrucks.com/topic/50584-vmac-ii-air-clutch-fan-wiring/#findComment-375984 Share on other sites More sharing options...
Dlock13 Posted July 28, 2017 Author Share Posted July 28, 2017 Ok. Thank you very much Quote Link to comment https://www.bigmacktrucks.com/topic/50584-vmac-ii-air-clutch-fan-wiring/#findComment-375989 Share on other sites More sharing options...
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