Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the logical successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la
Headlamp Switch
The headlight switch on LH vehicles use a multiplexed
(MUX) circuit to the
Body Control Module (BCM). The BCM will then control the park lamp, head lamp and
fog lamp relay's based on this input.