edb150 Posted August 16, 2019 Share Posted August 16, 2019 anyone know wher I can find a wiring diagram for the clutch circuit? blower stopped working which ended up being the ground to the actual blower motor. now my clutch wont kick on theres no power to the pressure switch its shorted to ground . if I power the clutch everything is fine. . im guessing when the ground failed something went wrong . the ground was melted at a wire connector not far from the blower motor Quote Link to comment Share on other sites More sharing options...
Mack Technician Posted August 19, 2019 Share Posted August 19, 2019 I have the diagram, but not enough storage left on this site. Send me a PM with your email and I'll hook you up with a diagram pic. Quote Link to comment Share on other sites More sharing options...
Mack Technician Posted August 19, 2019 Share Posted August 19, 2019 (edited) Best thing would be to just purchase a set for $37......Click this link and it will show your model year diagram set. https://macktrucks.vg-emedia.com/ProductDetail.aspx?ProductId=6410&GroupId=411 Edited August 19, 2019 by Mack Technician Quote Link to comment Share on other sites More sharing options...
shilohwestphal Posted August 16, 2022 Share Posted August 16, 2022 did you get your ac working? same issue with my truck no power at the low pressure switch Quote Link to comment Share on other sites More sharing options...
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