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)

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Daytime Running Lamp Control Unit: Testing and Inspection

- If the park brake switch is CLOSED, the DRL will not turn on the headlamps. The DRL senses if the park brake switch is CLOSED on circuit G9.
- Circuit Z1 provides ground for the headlamps.
- Circuit L20 of the headlamp switch connector has a jumper that feeds the DRL module.
- Check for a blown fuse in circuits A1 or G5.
- The headlamp switch has a 24 Amp circuit breaker that feeds circuit L20.