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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Key Interlock Resistor Inspection

Resistance Inspection
1. Disconnect the negative battery cable.
2. Disconnect the key interlock resistor connector.





3. Inspect for resistance between terminals A and B.
^ If not correct, replace the key interlock resistor.
Resistance: 6.65 - 7.35 ohms
4. Connect the key interlock resistor connector.
5. Connect the negative battery cable.