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

PC7



- Key OFF.

- Insert 12V test light between bulb socket (+) and a known good chassis ground.

- Key ON.

- Does test light illuminate?

YES -- Socket and socket feed OK. Go to PC8. PC8

NO -- Service open circuit in warning lamp feed or blown feed fuse. Reinsert bulb back into socket. Go to PC2. PC2