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

Service Hints

S3 SHIFT LOCK CONTROL SW
5-GROUND : Approx. 12 volts with the ignition SW at ON position
3-GROUND : Approx. 12 volts with the brake pedal depressed
1-GROUND : Always continuity

S4 STOP LIGHT SW
2-1 : Closed with the brake pedal depressed