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

Trailer Brake Control Module (JL1)

Wheels/Vehicle Underbody Component Views

Rear Frame and Underbody Components (20/30 Series)

1 - Trailer Connector (except MEX/EXP)
2 - Trailer Brake Control Module (JL1)
3 - Trailer Brake Control Relay (JL1)