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)

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Neutral Safety Switch: Testing and Inspection

Inhibitor Switch Testing:






1. Raise vehicle and support with safety stands.
2. Unplug switch connector.
3. Check continuity across terminals as described on the accompanying chart.
4. If not correct, adjust inhibitor switch and recheck. Refer to Adjustments.
5. If correct, check or adjust selector lever.
6. If correct adjustment and continuity specifications cannot be obtained, replace switch.