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Electrical Requirements
Electrical
Requirements
Wiring Diagrams OEM Responsibility
Terminating
resistor
J-1939/11 data link
(OEM supplied)
GND
+
_
Shield
termination
Engine ECM
Gear display
1
2
3
4
Back side
of gauges
Dash lights
Dimmer control input
C
A
B
E
+12
volts
battery
For transmission
diagnostics
Start
enable
relay
Run to start
signal from
igntion switch
Run to
starter solenoid
Ignition power (switched power)
run to main power lead that
feeds the ignition bus
10 AMP 12 volt only
automatic resetting
circuit breaker
10 or 15 AMP
fuse
Or
A
B
C
D
E
F
J-1587 data link
E1
E2
E3
C1
B2
C2
A2
C3
A3
B3
30
87
86
85
30
86
87
85
B
F
G
A
6-way
9-way
30 AMP fuse
Battery power
(Non-switched power)
run to starter or Battery
Terminating
resistor
Bulkhead connector
located at firewall
C1
C2
C3
A1
A3
B1
E2
B3
E1
F1
F2
F3
J1
J3
J2
K2
K3
K1
G1
G2
G3
Transmission Controller (ECU)
Transmission
18-way connector
Push Button Shift Control
Push Button Control
30-way connector
A
F
J
E
G
H
D
C
B
