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Pull-In Coil Test

  1. Connect jumper between positive post of 12-volt battery and "S" terminal. Connect a second jumper to negative battery terminal and touch "M" (MT) terminal (and between terminal "S" and switch body). See Fig 1.
    Fig 1: Connections for Conducting Solenoid Pull-In Test Remove solenoid-to-starter lead before testing.
    G29414
  2. If pinion moves outward (or plunger is pulled-in), pull-in coil is good. If not, replace magnetic switch.