For 1990-2009 cars only
Perform the following checks:
| • | Battery--Battery Inspection/Test. Refer to Battery Inspection/Test . |
| • | Wiring--Inspect the wiring for damage. Inspect all connections to the starter motor, solenoid, battery, and all ground connections. Refer to Circuit Testing , Wiring Repairs , Testing for Intermittent Conditions and Poor Connections and Connector Repairs . |
| • | Engine -- Make sure the engine is not seized. Refer to Symptoms - Engine Mechanical for the 8.1L engine, CAT® or the Isuzu Unit Repair Manual for Engine Mechanical. |
If the battery, the wiring and the engine are functioning properly and the engine continues to crank slowly, replace the starter motor. Refer to Starter Motor Replacement , CAT® or the Isuzu Unit Repair Manual for Engine Mechanical.
