Generator Test: Notes

Slow engine cranking or low specific gravity of battery electrolyte may result from an undercharged battery due to failure in the generator even the charging indicator light is operating normally.

Before beginning generator test in this case, perform the following procedure.

• Make sure that undercharged condition has not been caused by accessories being left on for extended period of time.
• Check drive belt for wear and tension, see ACCESSORY DRIVE BELT TENSION INSPECTION  .
• If battery defect is suspected, refer to BATTERY DESCRIPTION .
• Inspect all wiring for defects and for tightness and cleanliness of connections. In particular, inspect the battery cable, starting motor leads and ignition ground cable.