Fault Code Guide

Wiring Diagrams
For a wiring diagram of the one-switch configuration,
see Fig. 1.
For a wiring diagram of the two-switch configuration,
see Fig. 2.
For a wiring diagram of the four-switch configuration,
see Fig. 3.
Circuit Identification
For a pinout chart of a typical optional switch con-
nector, see Table 1.
Illumination output
L10
Ring Terminal Connections
Junction Block
Customer Access
Optional switch
Marker lights
(Battery B+)
Hot at all times
15A
under the hood
PDM located
Fuse
F25
T
C
399
One−switch Configuration
Marker Light Feed
With Junction Block and
46F BR
Splice Pack SP9
Dash Ground
GND
C
BK
Marker lights output
Chassis Module
C4
M
Optional Switch
Dash−mounted
8
ON IND
399A T
Splice Pack SP1
Illumination
399 T
3
ON
OFF
2B
Hot at all times
F25
399T
C
Optional switch output
16 GA circuit
Heat−shrink protected
(Battery B+)
15A MAX
OPT SW 1
T 399A
PDM located
under the hood
15A
Fuse
399 T
2B
Dash Ground
Dash−mounted
Without Junction Block
One−switch Configuration
29A BR
Splice Pack SP9
ILLUM
Optional Switch
BKGND
C
399A T
ON IND
8
ON
3
Splice Pack SP1
Illumination output
Illumination
29A
L
BR
ILLUM
OFF
10
f544658
Marker Light Access
Switch Battery Access
Y
CUST1
B
46B
A
R 399A
D
C
E
BR
T
02/17/2006
Fig. 1, One-Switch Configuration Wiring Diagram
Optional Power Switches and Connection 54.39
Specifications
Business Class M2 Workshop Manual, Supplement 10, September 2006 400/1