Wiring diagrams and repair manual GMC C3500 HD
1991–2000 · 4.3L / 5.0L / 5.7L / 6.5L / 6.5L DIESEL / 6.5L TURBO DIESEL / 7.4L
Wiring diagrams
219 diagrams- Air conditioning
- Air conditioning 5.7l
- Air conditioning 6.5l
- Air conditioning 7.4l
- Anti-lock brakes
- Anti-lock brakes 5.7l
- Anti-lock brakes 6.5l
- Anti-lock brakes 7.4l
- Anti-theft
- Computer data lines
- Computer data lines 4.3l
- Computer data lines 5.0l
- Computer data lines 5.7l
- Computer data lines 6.5l
- Computer data lines 7.4l
- Cooling fan
- Cooling fan 5.7l
- Cooling fan 7.4l
- Cruise control 4.3l
- Cruise control 5.0l
- Cruise control 5.7l
- Cruise control 6.5l
- Cruise control 7.4l
- Defoggers
- Electronic power steering
- Engine performance 4.3l
- Engine performance 5.0l
- Engine performance 5.7l
- Engine performance 6.5l
- Engine performance 7.4l
- Exterior lights
- Ground distribution
- Headlights
- Horn
- Instrument cluster
- Instrument cluster 5.7l
- Instrument cluster 6.5l
- Instrument cluster 7.4l
- Interior lights
- Power distribution
- Power door locks
- Power mirrors
- Power seats
- Power windows
- Radio
- Shift interlocks
- Starting/charging
- Starting/charging 4.3l
- Starting/charging 5.0l
- Starting/charging 5.7l
- Starting/charging 6.5l
- Starting/charging 7.4l
- Supplemental restraints
- Transmission 4.3l
- Transmission 5.0l
- Transmission 5.7l
- Transmission 6.5l
- Transmission 7.4l
- Warning systems
- Wiper/washer
Repair manual
70 sections- DTC Index
- Electrical Component Locations
- Communication Devices
- Cruise Control Systems
- Door Locks & Anti-Theft Systems
- Gauges & Instrument Panels
- Heated Glass/defoggers
- Mirrors
- Seats
- Steering Column Switches
- Warning System
- Windows
- Wiper/washer Systems
- Anti-Lock/traction Control
- Mechanical - Hydraulic
- Differentials & Drive Axles
- Driveshaft & Universal Joints
- Charging System
- Fuses & Circuit Breakers
- Starter
- Accessory Drive Belts
- Auxiliary Emission Control Systems
- Cooling Fan
- Cooling System (Mechanical)
- Mechanical
- Adjustments
- Application
- Emission Applications
- Pin Voltage Charts
- Removal & Installation
- Sensor Range Charts
- Specifications
- Testing & Diagnostics
- Engine Controls - Tests W/codes - 6.5L Diesel: Diagnosis
- Engine Controls - Tests W/codes - 7.4L: Diagnosis
- Theory & Operation
- Wiring Diagrams - Engine Performance
- Abbreviations
- Basic Trouble Shooting
- Brakes
- Check Lists
- Computer Relearn
- Driveline/axles
- Engine
- Engine Performance
- Identification
- Metric Conversions
- Reset Procedures
- Restraints
- Rpo Codes
- Steering
- Traction Control Disable
- Transmission
- A/c Compressor
- General Servicing - All Makes
- Heater
- Manual HVAC System
- Procedures
- Airbag
- Passive Restraints
- Manual & Power Steering
- Steering Column
- Suspension Front
- Suspension Rear
- Wheel Alignment
- Automatic Trans
- Automatic Transmission Diagnosis - 4L80-E: Diagnosis
- Clutches Manual & Hydraulic
- Manual Trans
- Diagnostic Connector Locations