Relays and Modules - Lighting and Horns: Technical Service Bulletins

• Recalls
  • Recall - Aftermarket Towing Harness Installation
    • Overview
    • Dealer Letter
    • Attachment I - Labor Ordering Information
    • Owner Letter
• Customer Interest
  • Trailer Wiring - Lamp Outage Module Damage
  • Relays - Multiple Electrical Concerns
    • Overview
    • Diagnostic/Service Procedure
    • Diagnosis
• By Symptom
  • Abnormal wear/deterioration
    • Trailer Wiring - Lamp Outage Module Damage
    • Lamp Outage Module Housing/Components - Melting
  • Customer Interest
    • Trailer Wiring - Lamp Outage Module Damage
    • Relays - Multiple Electrical Concerns
      • Overview
      • Diagnostic/Service Procedure
      • Diagnosis
  • Erratic Operation
    • Relays - Multiple Electrical Concerns
      • Overview
      • Diagnostic/Service Procedure
      • Diagnosis
  • Inoperative
    • Trailer Wiring - Lamp Outage Module Damage
    • Relays - Multiple Electrical Concerns
      • Overview
      • Diagnostic/Service Procedure
      • Diagnosis
  • Recalls
    • Recall - Aftermarket Towing Harness Installation
      • Overview
      • Dealer Letter
      • Attachment I - Labor Ordering Information
      • Owner Letter
• All Technical Service Bulletins
  • Trailer Wiring - Lamp Outage Module Damage
  • Lamp Outage Module Housing/Components - Melting
  • Relays - Multiple Electrical Concerns
    • Overview
    • Diagnostic/Service Procedure
    • Diagnosis
  • Recall - Aftermarket Towing Harness Installation
    • Overview
    • Dealer Letter
    • Attachment I - Labor Ordering Information
    • Owner Letter