Inspection and Verification

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods .

• 1.
  
  Verify the customer concern by operating the starting system.

• 2.
  
  Before diagnosing or repairing the starting system inspect the following items:

• Check the battery for loose, damaged or corroded connections
• Check the generator for loose, damaged or corroded connections
• Fusible links
• Check engine and battery grounds for loose, damaged or corroded connections
• High current BJB for loose or corroded connections
• Wiring, terminals or connectors

• 3.
  
  Check the battery condition and state of charge. Refer to: Battery .

• 4.
  
  Check for abnormal ignition-off current drain(s). Refer to: Battery Drain Check .

• 5.
  
  Remove the accessory drive belt. Refer to: Accessory Drive Belt . Verify the crankshaft and each of the components driven by the accessory drive belt rotate and are not seized or damaged.

• 6.
  
  If any aftermarket accessories have been added to the vehicle, make sure they are properly wired.

• 7.
  
  If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding.