Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Drivetrain Control Module, Level Control System Compressor Electronics, Air Spring Quick Fill Valve, Fuses (On Fuse Panel), Relay And Fuse Panel 2, Self-Leveling Suspension Fuse, Level Control System Compressor Motor
J775
Drivetrain Control Module
J1135
Level Control System Compressor Electronics
N627
Air Spring Quick Fill Valve
S
Fuses (On Fuse Panel)
ST1
Fuse Panel 1
SR2
Relay and Fuse Panel 2
SF5
Fuse 5 (On Fuse Panel F)
S110
Self-Leveling Suspension Fuse
S163
Fuse 2 (Terminal 30) on Battery Fuse Panel
T2na
2-Pin Connector, Brown
T2nn
2-Pin Connector, Black
T3dl
3-Pin Connector, Black, Purple
T81
81-Pin Connector, Black
V66
Level Control System Compressor Motor
730
Ground Connection 1 on Right Rear Wheel Housing
B301
Positive Connection 5 (30) (in Main Wiring Harness)
B302
Positive Connection 6 (30) (in Main Wiring Harness)
B307
Positive Connection 11 (30) (in Main Wiring Harness)
B308
Positive Connection 12 (30) (in Main Wiring Harness)
*
Refer to Applicable Wiring Diagram for Fuse Positions
*2
Data Wire
*3
Through July 2019
*4
From August 2019
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.