Engine Cranks Slowly

Inspect the following items:
^ Battery - Perform the Battery Inspection/Test. Refer to Battery Inspection/Test. Battery Inspection/Test
^ Wiring - Inspect the wiring for damage. Inspect all connections to the starter motor, the solenoid, the battery, and all ground connections. Refer to Circuit Testing , Wiring Repairs , Testing for intermittent and Poor Connections , and Connector Repairs in Diagnostic Aids.
^ Engine - Verify that the engine is not seized.

If the battery, the wiring, and the engine are functioning properly, and the engine continues to crank slowly, replace the starter motor.