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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XB32 - Check Cooling Fan Ground Circuit Continuity

- Key "OFF".

- Cooling fan disconnected.

- Measure resistance between the ground circuit at the cooling fan vehicle harness connector and the battery negative post.

- Is resistance less than 5.0 ohms?

Yes -- Go to XB33. XB33 - Check Power to Cooling Fan Circuit Continuity

No -- Service open in cooling fan ground circuit. Reconnect cooling fan. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)