Ford Mustang (1999-2004) Service Manual: Horn
Torque Specifications

Horn
The horn system consists of the following:
- dual horns (one high-pitched, one low-pitched)
- horn switch (located underneath the driver side air bag module [043B13]).
- horn relay (located in the central junction box [CJB]).
Warning Indicator Bulb
Removal and Installation
1. Remove the instrument cluster. Refer to Instrument Cluster in this
section.
2. Remove the necessary instrument cluster bulbs by rotating one quarter
turn counter ...
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 ...
Other materials:
Piston
Special Tool(s)
Piston Pin Tool or equivalent
303-D034 (D81L-6135-A)
Material
Item
Specification
SAE 5W-20 Premium Synthetic
Blend Motor Oil
XO-5W20-QSP or equivalent
WSS-M2C153-
H
Disassembly
1. Using the special tool, ...
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, reve ...
Switch - Deactivator
Removal
1. Disconnect the battery ground cable.
2. Remove the deactivator switch.
1. Disconnect the deactivator switch electrical connector.
2. Detach the lower deactivator switch hook.
3. Detach the upper deactivator pivot.
Installation
1. N ...
