Express 2500 2WD V8-4.8L VIN V (2004)
Air Bag Harness: Description and Operation
INFLATABLE RESTRAINT WIRING HARNESSES
The wiring harnesses connect the sensing and diagnostic module (SDM), inflator modules, front end sensor, seat belt pretensioners, seat position sensors
(SPS), and the class 2 serial data circuit together using weather pack connectors. SIR system connectors are yellow in color for easy identification. When
repairing SIR system wiring harnesses, follow the proper testing and wiring repair procedures outlined in this manual.