I'll look around for a wiring diagram and see what I can come up with. The connector on the back of the A/C control for the blower likes to melt.. This is a wiring diagram for an 86 with A/C.need to check the blower motor resistor and wiring,. RamchargerCentral.Com is a Dodge truck community built by a vast number of experienced owners.. Key on should feed (what wire color and where) which probably has a junction somewhere before the PDC. That junction then runs to the PDC with a dark blue 22 ga wire, which energizes the relay and sends power to the blower motor. Just looking for ideas and maybe some guidance on reading the wiring diagrams.
![[DIAGRAM] Dodge Ram Wiring Diagram Blower Motor](http://ww2.justanswer.com/uploads/amedee/2011-02-21_000941_1.gif "[DIAGRAM] Dodge Ram Wiring Diagram Blower Motor")
![[DIAGRAM] Dodge Ram Wiring Diagram Blower Motor](http://www.justanswer.com/uploads/MoparCertified/2008-11-16_061211_blower.gif "[DIAGRAM] Dodge Ram Wiring Diagram Blower Motor")
1972-1987 Dodge Ram Trucks (D, W-series) Status Not open for further replies.. On trucks with just heater there is no bypass wire. This diagram shows bypass wire. It is the wire marked P2B-14DB. Attachments. ac.jpg. 160.8 KB Views:. I'm rebuilding a harness for friend now. The blower motor gets old and pulls more current than switch can.. Blower motor wiring diagrams for three or four-speed systems. Carmakers use these three common wiring methods to supply power and ground to the blower motor in a manual system using a blower motor resistor. In one design, the carmaker supplies battery power to the speed switch, which switches the power to the appropriate connection on the.