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 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 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 Share on other sites More sharing options...
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