Lit. No. 31002/31004, Rev. 00
19
June 1, 2022
ELECTRICAL COMPONENTS
VEHICLE HARNESS DIAGRAM
+
_
Ba
tter
y
BRN
ORN
ORN
18 ga Red
6 ga Red
4 ga Red
18 ga Black
Vehicle Control Harness
To Vehicle Switched Accessory
To Vehicle CHMSL Signal
(tap located in cab)
100A
Fuse
4 ga Black
Cab Control
4‑Way Connector
Vehicle
Cable
Assembly
Connectors
18 ga Shielded
Twisted‑Pair Cable
Ba
tte
ry
To Vehicle CHMSL Signal
(tap located in rear of vehicle)
To Vehicle Park Light Tap, if License
Plate Light Kit accessory is installed
Connect to
spreader harness.
8‑Pin
Connector