Operation CHARM: Car repair manuals for everyone.
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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

ABS Main Relay






Connector:





Pin Circuit Circuit Function

1 40 (BL/R) Anti-Lock Relay Power
2 405 (R/Y) Hydraulic Anti-Lock Actuator Assembly
3 50Y (BK) Anti-Lock Relay Ground
4 400 (BK/BL) Anti-Lock Brake Control Module
5 60B (BK/W) Fail-Safe Relay Power
6 407 (Y/W) Hydraulic Anti-Lock Actuator Assembly
7 408B (BL/Y) Anti-Lock Brake Warning Indicator
8 421 (BL/R) Anti-Lock Brake Control Module