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Starter Motor Circuit Descriptions

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Update time : 2018-03-09 09:43:07
Starter Motor Circuit Descriptions

Below are the descriptions of the main circuits when doing starter test:

 
NO.1: This is where the battery positive cable from the battery is attached to.

NO.2: This is the S terminal of the starter Solenoid. This is where the Start/Crank wire is attached to and the one that delivers the 12 Volts from the ignition switch when you turn the key to Start.
  Some vehicles will use a nut to attach this circuit to the starter Solenoid.
  Other vehicles (mainly Japanese cars & trucks) will have a female spade terminal     instead that mates to a male spade terminal.

NO.3: The grounding point. The starter motor is grounded through its case.

Tips from http://easyautodiagnostics.com