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To determine if a defective starter is causing starting difficulty, perform the following steps: ‪

  1. Place the red lead of a voltmeter to the solenoid "BAT'' terminal, see Figure 20539 .

    1. Black Voltmeter Lead ‪

    4. Harness Tube ‪

    2. Starter Ground Terminal Lug ‪

    5. Volt Ohm Meter ‪

    3. Red Voltmeter Lead ‪

    Cranking Motor Available Voltage Test

  2. Place the black voltmeter lead to the starter ground terminal, see Figure 20538 .
  3. Engage the starter switch.
  4. View the voltage reading on the meter.
    1. If the voltage is less than specification while cranking the engine, replacement is necessary; refer to section .
    2. If the voltage is to specification while cranking the engine, check the cranking speed; refer to section .

Starter Replacement

Perform the following steps for starter replacement: ‪

  1. Replace the starter; refer to section .
  2. Verify replacement of starter; refer to section .
Test Engine with Replaced Starter

Perform the following steps to determine if the replaced starter resolved starting difficulty: ‪

  1. Attempt to start and run the engine.
    1. If the engine starts and runs, no further troubleshooting is required. Shut down the engine.
    2. If the engine fails to start and run, check the cranking speed; refer to section .