Ford Mustang (1999-2004) Service Manual: Instrument Cluster and Panel Illumination

The instrument cluster and panel illumination system illuminates the following components:

  • instrument cluster (10849)
  • audio unit (18806)
  • A/C-heater control
  • fog lamp switch
  • transmission range indicator
  • traction control switch
  • rear window defrost control switch

The instrument cluster is a hybrid electronic cluster (HEC), which uses both hardwired circuitry and the standard corporate protocol (SCP) communication network to transmit and receive information. The Mustang instrument cluster backlighting has illumination bulbs that are installed separately from the instrument cluster. The Cobra instrument cluster has a laminated, electroluminescent applique to backlight the cluster . The electroluminescent applique and instrument cluster must be installed as an assembly.

Instrument Cluster and Panel Illumination (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 71 , Instrument Illumination for schematic and connector information. Special Tool(s) 73III Automotive Meter 105-R0057 or equivalent ...

Other materials:

Removal
WARNING: Do not smoke or carry lighted tobacco or open flame of any type when working on or near any fuel related components. Highly flammable mixtures are always present and can ignite. Failure to follow these instructions can result in personal injury. 1. ...

Piston Inspection
Special Tool(s) Scraper, Piston Ring Groove 303-D033 (D81L-6002-D) or equivalent CAUTION: Do not use a caustic cleaning solution or a wire brush to clean the pistons or damage can occur. 1. Clean and inspect the (1) ring lands, (2) skirts, ...

Inspection and Verification
1. Verify the customer concern by operating the wiper/washer system. 2. Visually inspect for obvious signs of mechanical and electrical damage. Visual Inspection Chart Mechanical Electrical Hoses to windshield washer pump Wiper l ...