Computer data lines 7.4l — 7.4l (vin n), data link connector circuit GMC Pickup C1500
All systems — 63 systems
- Air conditioning 2
- Air conditioning 4.3l 3
- Air conditioning 5.0l 5
- Air conditioning 5.7l 6
- Air conditioning 6.5l 3
- Anti-lock brakes 5
- Anti-lock brakes 4.3l
- Anti-lock brakes 5.0l
- Anti-lock brakes 5.7l
- Anti-lock brakes 6.5l
- Anti-theft 2
- Computer data lines 2
- Computer data lines 4.3l
- Computer data lines 5.0l 2
- Computer data lines 5.7l 4
- Computer data lines 6.5l 3
- Computer data lines 7.4l
- Cooling fan
- Cooling fan 5.0l
- Cooling fan 5.7l
- Cruise control 4.3l 2
- Cruise control 5.0l 2
- Cruise control 5.7l 2
- Cruise control 6.5l 3
- Cruise control 7.4l
- Defoggers
- Electronic power steering
- Engine performance 4.3l 3
- Engine performance 5.0l 3
- Engine performance 5.7l 3
- Engine performance 6.5l 16
- Engine performance 7.4l 2
- Exterior lights 6
- Ground distribution
- Headlights 13
- Horn
- Instrument cluster 2
- Instrument cluster 4.3l
- Instrument cluster 5.0l
- Instrument cluster 5.7l
- Instrument cluster 6.5l
- Interior lights 8
- Power distribution 3
- Power door locks 9
- Power mirrors 4
- Power seats 11
- Power windows 4
- Radio 5
- Shift interlocks
- Starting/charging 2
- Starting/charging 4.3l 2
- Starting/charging 5.0l 2
- Starting/charging 5.7l 2
- Starting/charging 6.5l 6
- Starting/charging 7.4l 2
- Supplemental restraints
- Transmission 4.3l 6
- Transmission 5.0l 7
- Transmission 5.7l 7
- Transmission 6.5l 10
- Transmission 7.4l 4
- Warning systems 3
- Wiper/washer 2
