Computer data lines 7.4l — 7.4l (vin n), data link connector circuit GMC Vandura P3500
All systems — 38 systems
- Air conditioning 2
- Air conditioning 4.3l 3
- Air conditioning 5.7l 3
- Air conditioning 6.5l 5
- Air conditioning 7.4l 5
- Anti-lock brakes 2
- Computer data lines 2
- Computer data lines 4.3l 4
- Computer data lines 5.7l 4
- Computer data lines 6.5l 4
- Computer data lines 7.4l 4
- Cooling fan
- Cooling fan 6.5l 2
- Cooling fan 7.4l 2
- Cruise control 2
- Cruise control 6.5l
- Cruise control 7.4l 2
- Engine performance 4.3l 6
- Engine performance 5.7l 10
- Engine performance 6.5l 6
- Engine performance 7.4l 10
- Exterior lights 9
- Ground distribution 4
- Headlights 18
- Horn 5
- Instrument cluster 4
- Interior lights 4
- Power distribution 8
- Power door locks
- Power windows 2
- Shift interlocks 4
- Starting/charging 10
- Transmission 4.3l 4
- Transmission 5.7l 4
- Transmission 6.5l 4
- Transmission 7.4l 4
- Warning systems 4
- Wiper/washer 7
