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 4-2.

2.3.4.Place the black voltmeter lead to the starter ground terminal, see Figure 4-1.
Engage the starter switch.
View the voltage reading on the meter.
[a] If the voltage is less than specification while cranking the engine, replacement is
necessary; refer to section 4.5.1.
[b] If the voltage is to specification while cranking the engine, check the cranking speed;
refer to section 4.6.

Starter Replacement
Perform the following steps for starter replacement:
1. Replace the starter; refer to the appropriate service manual, electrical equipment chapter.
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. 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 4.6.

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