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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Magnetic Switch Hold In Test

Fig. 4 Magnetic Switch Hold In Test:




1. Disconnect field coil wire from terminal M of switch.
2. Connect a 12 volt battery between terminal S and starter body.
CAUTION: This test must be performed quickly to prevent coil from burning.
3. If pinion remains out, switch is operating correctly.
4. If pinion moves in, hold-in circuit is open. Replace magnetic switch.