Where is the low beam control relay located?
Where is the low beam control relay located? Low beams are wired direct from bcm. High beam control relay is in the underhood fuse box which are "non-serviceable Printed Circuit Board (PCB) relays and are internal to the block". I know nothing... Ok... so non serviceable relays on Headlights but are you sure about the BCM supplying ground to a 10-15amp load. Where are the low beam headlamps located on a Silverado? When the low beam headlamps are requested, the BCM applies B+ to both low beam headlamp control circuits illuminating the low beam headlamp Grounds to the frame near...