GM Service Manual Online
For 1990-2009 cars only
Figure 1:

With Inflator


Object Number: 622617  Size: FS
Underhood Accessory Wiring Junction Block, Relay Center, PWR WDO and PWR OTR Vent Fuses
Export Trailer Wiring Harness
BATT Main 2, Headlamps, ELC/Trailer, RR Defog/HTP Mirrors and RR Fog LP Fuses and PWR/ Heated Seat PSD Circuit Breaker
Automatic Level Control Suspension Components
Automatic Level Control Circuit Description
Without Inflator
Export Trailer Wiring Harness
Cell 14: G401
Figure 2:

Without Inflator


Object Number: 622620  Size: FS
BATT Main 2, Headlamps, ELC/Trailer, RR Defog/HTP Mirrors and RR Fog LP Fuses and PWR/ Heated Seat PSD Circuit Breaker
Export Trailer Wiring Harness
Underhood Accessory Wiring Junction Block, Relay Center, PWR WDO and PWR OTR Vent Fuses
Export Trailer Wiring Harness
Cell 14: G401
Automatic Level Control Suspension Components
Automatic Level Control Circuit Description
With Inflator