Yukon XL 4WD V8-6.0L (2007)
16. If the vehicle is equipped with RPO Z55, connect the right rear air line to the shock absorber.
17. If the vehicle is equipped with RPO Z55, connect the chassis wiring harness electrical connector (3) to the right rear shock absorber.
18. Connect the chassis wiring harness electrical connector (1) to the right rear wheel speed sensor wiring harness electrical connector (2).
19. Lower the vehicle.