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Hold-In Windings Test

Connect an ammeter in series with 12-volt battery and terminal "S" on starter solenoid. See Figure. Connect a voltmeter between solenoid terminal "S" and ground. Connect a carbon pile rheostat across battery. Adjust voltage to 10 volts and check amperage reading. See HOLD-IN WINDINGS SPECIFICATIONS  table.

HOLD-IN WINDINGS SPECIFICATIONS

Starter Motor (1) Amperage
SD200, SD210 & SD250 10-20
SD260 & SD300 13-19
(1) At 10 volts.