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

Troubleshooting Hints - General Information

1. CHECK condition of AUX PWR Fuse. If Fuse is open. LOCATE and REPAIR source of overload. REPLACE Fuse.
2. CHECK Grounds G105, G107, and G110 are clean and tight.
3. CHECK for Battery voltage at terminal 16 (CKT 840) of the DATA LINK CONNECTOR. REPAIR if necessary.
4. CHECK terminal 4, CKT 750 and terminal 5. CKT 550 for continuity to ground. REPAIR if necessary.