Headlights — Headlight circuit, composite with drl GMC Suburban K1500
All systems — 44 systems
- Air conditioning 4
- Air conditioning 5.7l 9
- Air conditioning 6.5l 7
- Anti-lock brakes 5
- Anti-lock brakes 5.7l
- Anti-lock brakes 6.5l
- Anti-theft 2
- Computer data lines 2
- Computer data lines 5.7l 4
- Computer data lines 6.5l
- Computer data lines 7.4l
- Cooling fan
- Cooling fan 5.7l
- Cruise control 5.7l 2
- Cruise control 6.5l
- Cruise control 7.4l
- Defoggers
- Electronic power steering
- Engine performance 5.7l 3
- Engine performance 6.5l 5
- Engine performance 7.4l 2
- Exterior lights 5
- Ground distribution
- Headlights 13
- Horn
- Instrument cluster 2
- Instrument cluster 5.7l
- Instrument cluster 6.5l
- Interior lights 8
- Power distribution 3
- Power door locks 5
- Power mirrors 4
- Power seats 11
- Power windows 3
- Radio 5
- Shift interlocks
- Starting/charging 2
- Supplemental restraints
- Transmission 5.7l 15
- Transmission 6.5l 14
- Transmission 7.4l 2
- Trunk, tailgate, fuel door 2
- Warning systems 3
- Wiper/washer 3
