Ford Mustang (1999-2004) Service Manual: Switch - Horn
Removal
1. Remove the driver side air bag module (043B13). Refer to Section.
2. Remove the switches.
1. Disconnect the horn wire from the switches.
2. Remove the horn switch screws and remove the switches.

Installation
1. To install, reverse the removal procedure.
- Prove out the air bag system. Refer to Section.

Horn (Diagnosis and Testing)
Refer to Wiring Diagrams Cell 44 , Horns/Cigar Lighter for schematic
and connector information.
Special Tool(s)
73 Digital Multimeter or
equivalent
105-R0051
Inspection and Veri ...
Warning Devices
Warning Devices
The warning device system consists of the following components:
door ajar switches
generic electronic module (GEM)
key-in-ignition warning switch
safety belt switch
...
Other materials:
Underbody Misalignment Check
Underbody Dimensions
1. Underbody dimensions tolerances are +- 3.175 mm (0.125 in). Reference
dimensions are not
controlled dimensions. Reference points are +- 4.76 mm (0.1875 in). All underbody
dimensions
are detailed to the centerline of existin ...
Component Tests
Brake Booster
1. Check the hydraulic brake system for leaks or insufficient fluid.
2. With the transmission (7003) in NEUTRAL, stop the engine (6007) and
apply the parking brake
control (2780). Apply the brake pedal several times to exhaust all
va ...
Pinpoint Tests
CAUTION: Before removing and installing the GEM or its connectors,
disconnect the
battery. Failure to follow this caution will result in the GEM storing many
erroneous DTCs and it
may exhibit erratic operation after installation.
CAUTION: Be careful when pr ...
