1999 Dodge Cummins Wiring Maps ABS Brake Wiring (4 Wheel) Air Conditioning Airbag SRS system Anti Theft System Automatic Transmission System (Page 1) Automatic Transmission System (Page 2) Backup Lighting CCD Network Central Timer Module Charging System Instrument Cluster (Page 1) Instrument Cluster (Page 2) Instrument Cluster Lights Courtesy Lights Cruise Control Engine System (Page 1