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:
Supercharger Cooling (Diagnosis and Testing)
Special Tool(s)
Pressure Test Kit
014-R1072 or equivalent
Battery/Antifreeze Tester
014-R1060 or equivalent
Material
Item
Specification
Motorcraft Premium
Engine Coolant
VC-4-A (in Oregon
VC-5, in Canada
C ...
Spark Plug - Inspection
1. Inspect the spark plug for a bridged gap.
Check for deposit build-up closing the gap between the electrodes.
Deposits are caused
by oil or carbon fouling.
Clean the spark plug.
2. Check for oil fouling.
Check for wet, black deposits on th ...
Instrument Cluster Self-Diagnostic Mode
To enter the instrument cluster self-diagnostic mode, press and hold the
instrument cluster
SELECT/RESET button, turn the ignition switch to the RUN position, and then
continue pressing the
SELECT/RESET button (five seconds) until tESt is displayed in th ...
