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Solenoid Starter 3657 3-terminal .jpg 1.0.0

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3657 starter solenoid


3-terminal with insulated base. Notice the battery cable stud is identified. That is because the magnetic coil is powered by the battery stud internally. The ignition switch grounds the small terminal to activate the solenoid.


A suitable replacement would be a 4-terminal solenoid with an insulated base with a jumper from the battery cable stud to one of the small coil terminals. The other small terminal is grounded to activate the solenoid.


Used on

1961 model 551

1961 model 701