Ford Mustang (1999-2004) Service Manual: Interior Lighting (Diagnosis and Testing)

Refer to Wiring Diagrams Cell 111 , Remote Control Alarm and Lock System for schematic and connector information.

Refer to Wiring Diagrams Cell 59 , Generic Electronic Module for schematic and connector information.

Refer to Wiring Diagrams Cell 89 , Courtesy Lamps for schematic and connector information.

Special Tool(s)

73 Digital Multimeter or equivalent 105-R0051
Worldwide Diagnostic System (WDS) 418-F224, New Generation STAR (NGS) Tester 418-F052, or equivalent scan tool
Interior Lighting
Interior Lighting The interior lighting system consists of the following: map/dome lamp assembly rear-high mount/cargo lamp assembly dimmer switch door ajar switch (located on the door latc ...

Principles of Operation
Battery Saver The battery saver feature provides automatic shut-off of power to demand and courtesy lamp circuitry. When the generic electronic module (GEM) detects the ignition switch circuits ...

Other materials:

Module
Removal 1. Remove the hydraulic control unit (HCU). Refer to Hydraulic Control Unit . 2. Remove the pump motor electrical connector. 3. Remove the anti-lock-brake control module screws. 4. Remove the anti-lock-brake control module from the HCU. Installation ...

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 contro ...

Refrigerant Oil Adding
CAUTION: During normal A/C operation, oil is circulated through the system with the refrigerant, and a small amount is retained in each component. If certain components of the system are removed for new installation, some of the refrigerant oil will go with ...