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

Neutral Safety Switch: Testing and Inspection

Inhibitor Switch Continuity Check:






1. Separate switch connector.
2. Check continuity across terminals in gear positions indicated on image chart.
3. If not as specified, adjust switch and recheck. Refer to ADJUSTMENT PROCEDURES.
4. If out of specification following adjustment, replace switch.