Contents Wiring diagrams Section: Procedures All sections

Maintenance Information: Overview GMC Suburban C2500

Procedures ~294 words

SERVICE PARTS IDENTIFICATION LABEL

Label is located inside glove box door and has the vehicle's VIN, wheelbase, paint information, and a list of all production options and special equipment.

AXLE & TRANSMISSION IDENTIFICATION

Note. For more information regarding Axle identification refer to the DRIVE AXLE RATIO IDENTIFICATION article in the DRIVE AXLES section.

Note. For more information regarding Automatic Transmission ID refer to the TRANSMISSION OIL PAN GASKET ID article in the AUTOMATIC TRANS SERVICE section.

Fuse & Circuit Breaker Identification

  1. 1 - Gauges 20 Amp Cruise Control, Rear Window Defogger Timer, 4-Wheel Drive Display Illumination, Auxiliary Battery Relay, Seat Belt Reminder, Cluster Ignition Feed
  2. 2 - Turn-B/U 15 Amp Back-Up Lights, Turn Signals
  3. 3 - EMC/Ign 10 Amp Torque Converter Clutch, Air Injection Reactor Diverter, Electronic Spark Control, EGR, Electronic Control Module, Anti-Lock Switch
  4. 4 - Inj A 10 Amp Throttle Body Injectors
  5. 5 - Brake 15 Amp Anti-Lock Brakes, Cluster Speedometer
  6. 6 - A/C Htr 25 Amp HVAC, 4-Wheel Drive, Auxiliary Battery
  7. 7 - Ctsy 20 Amp Courtesy Lights, Glove Box Light, Radio
  8. 8 - Park Lt 20 Amp Horn Relay, Horn Feed, Cigarette Lighter, Parking Lights
  9. 9 - P Lps 5 Amp 20 Amp ("C" & "K" Series) C49 Switch Illumination, Headlight ON Warning, Radio Illumination, Heater & A/C Illumination, Rear Window Defogger
  10. 10 - Stop/Haz 15 Amp Hazard Flasher, Seat Belt Reminder, Stoplights, Rear Anti-lock Memory
  11. 11 - Wiper 25 Amp Windshield Washer/Wiper
  12. 12 - Radio 10 Amp Radio Feed
  13. 13 - Acc/Ign 30 Amp (Circuit Breaker) Power Windows
  14. 14 - Acc/Batt 30 Amp (Circuit Breaker) Door Locks, Rear Window Defogger
  15. 15 - Crank 5 Amp Discreet Crank
  16. 16 - 4WD 25 Amp 4WD 15 Amp ("C" & "K" Series) Speedometer
  17. 17 - 15 Amp DRL (Canada)