Where are the BCM connector pins and numbering system?
Where are the BCM connector pins and numbering system? BCM Connector pins and numbering system. Finally I'm trying to run a wire from my tailgate conversion to the BMC. I've run the wire, removed the BCM and opened the black connector. What I can't see is where pin 23 is in the connector. How is the BCM connected to the headlight switch? The headlight relay is switched by the BCM, which in turn is commanded by the headlight switch. In this case, the headlight switch acts as an input to the BCM. In most cases the wiring to the headlight...