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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Relay Operation Test

Fig. 6 Relay operation test connection locations:

1. Apply battery voltage across terminals 1 and 3, Fig 6.
2. Using an ohmmeter, ensure there is continuity across terminals 2 and 4.
3. If no continuity exists, replace relay.