1. Take the 6 gauge power wire with the 70 AMP fuse installed provided. (Figure 1)
Lay the fuse beside the battery and route remaining wire along the passenger side frame rail to the floor drain
plug underneath the drivers side of the vehicle (Figure 2).
Do not connect to battery at this time.
FIGURE 1
2. Remove the floor pan drain plug from underneath the rear driver side floor pan of the vehicle. Install supplied
grommet. (Figure 2)
FIGURE 2
3. Pull the ECU main harness plug, valve harness plug, compressor power cable, batter power cable, and height sensor
harness plug into the cab via the grommeted floor pan hole. Run an end of the 1/4” air line for the pressure regulator
into the cab via the grommeted floor pan hole. (Figure 3)
FIGURE 3
4. Inside the cab, fold the rear seats forward. Gather and pull the wires, tubing, and ground connections, up from the
grommeted floor pan hole. (Figure 4)
FIGURE 4
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AA-4397 Installation Manual
REV 01 | 05/25/2023
WIRING
