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

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Ignition Switch: Testing and Inspection


Quick-Checks:

1. Check power from ignition/start switch to the fuse/relay panel "15" circuit by checking the operation of the back-up lights:

- Select reverse gear
- Turn the ignition switch to the "On" position Back-up lights should be on
- Turn the ignition switch to the "Start" position Back-up lights should stay on

2. Check power from the ignition/start switch (terminal 75) to the "X" (load-reduction) circuit by checking the operation of the headlights:

- Turn the ignition switch to the "On" position
- Turn headlight switch on Headlights should operate
- Turn the ignition switch to the "Start" position Headlights should go out

3. Check the load reduction relay and power to fuse/relay panel X (load-reduction) circuit by checking the operation of the ventilation blower:

- Turn the ignition switch to the "On" position
- Turn blower switch (fresh air fan) on Blower should run