HOW BODY CONTROL MODULE COMPUTER WORKS FOR LIGHTING SYSTEMS TO DIAGNOSE

how body control module computer works for lighting system this explains how the body control module gives a ground to the relay on the control side. also there are many other circuits where the body control module feeds 12 volts also to the relay the relay can have 12 volts and the ground from computer for parking lamps and headlamps if the headlamps do not work could be a relay or a computer problem.

Видео HOW BODY CONTROL MODULE COMPUTER WORKS FOR LIGHTING SYSTEMS TO DIAGNOSE канала Joe electronic schematics for auto