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

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Heater Lockout Switch: Testing and Inspection

REAR HEATER SWITCH INSPECTION

1. INSPECT INDICATOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 5 and the negative (-) lead to terminal 1.
b. Push each of the rear heater switch knob in and check that their indicators lights up.

If operation is not as specified, replace the switch.

2. INSPECT SWITCH CONTINUITY

If continuity is not as specified, replace the switch.