Operation CHARM: Car repair manuals for everyone.

Magnetic Switch Hold In Test

This test must be performed in less than 10 seconds to prevent coil from burning.
1. Disconnect field coil wire from M terminal of magnetic switch.
2. Connect a 12 volt battery between S terminal and body.
3. If pinion remains out, system is satisfactory.
4. If pinion moves in, hold-in circuit is open. Replace magnetic switch.