Maintenance Information: Component Locations Chevrolet Suburban K2500

VIN LOCATION

The Vehicle Identification Number (VIN) is located on the left side of the dash panel at the base of the windshield. The VIN chart explains the code characters.

FUSE PANEL LOCATION

The fuse block is located behind a cover in the dash to the left of the steering column.

Scheme 3

Fuse & Circuit Breaker Identification

1. 1 - Stop/Haz 20 Amp (Yellow) - Stop/TCC Switch, Hazard Flasher, Seat Belt Reminder, Stoplights, CHMSL (Center High Mounted Stop Light)
2. 2 - T Case (Not Used) - Transfer Case
3. 3 - CTSY 20 Amp (Yellow) - Courtesy Lamps, Cargo Lamp, Glove Box Light, Power Mirrors, Dome/Reading Lamps, Vanity Mirrors
4. 4 - Gauges 10 Amp (Red) - DRL Relay, DRL Module Buzzer, Headlamp Switch, Keyless Entry, Cluster/Gauges, Low Coolant Module, Convenience Center Electrochromatic Rearview Mirror with Compass
5. 5 - RR HVAC 10 Amp (Red) - RR HVAC Controls
6. 6 - Cruise 10 Amp (Red) - Cruise Module, Cruise Activator Switch
7. 7 - AUX PWR 25 Amp (Clear) - Power Outlets (2)
8. 8 - Crank 10 Amp (Red) - Diesel Fuel Pump, DERM ECM (Air Bag), PCM
9. 9 - Park Lamps 20 Amp (Yellow) - License Plate Light, Park Lamps, Tail Lamps, Ashtray Lamp, Door Switch Illumination, Headlight ON Warning, Side Marker Fog Lamp Relay, Clearance Lights, Heater & A/C Illumination
10. 10 - Air Bag 10 Amp (Red) - DERM (Air Bag)
11. 11 - Wiper 25 Amp (Clear) - Windshield Washer/Wiper
12. 12 - HTR-A/C 25 Amp (Clear) - L, M1, M2 Blower, HVAC Indicator Lamp, A/C Compressor, Mode/Temp/Air In Actuator, High Blower Relay
13. 13 - CIG LTR 20 Amp (Yellow) - Cigar Lighter, Power Amplifier, Door Lock Relay, Power Lumbar Seat, Rear Liftglass
14. 14 - ILLUM 10 Amp (Red) - 4WD Indicator Lamp, Cluster, HVAC Controls, Chime Module, Radio Illumination, Instrument Panel Switches, RR HVAC Controls
15. 15 - DRL-FOG 20 Amp (Yellow) - DRL Relay, Fog Lamps
16. 16 - Turn B/U 20 Amp (Yellow) - Front Turn, RR Turn, Trailer Turn, Back-up Lamps, BTSI (Brake/Transmission Shift Interlock) Solenoid
17. 17 - Radio 10 Amp (Red) - Radio (IGN)
18. 18 - Brake 10 Amp (Red) - DRAC, 4WAL/PCM, ABS, Cruise
19. 19 - Radio 10 Amp (Red) - Radio (BATT)
20. 20 - Acc/Ign 10 Amp (Red) - PRNDL, Auto Transmission, Speedometer, Check Gauges, Tell Tale
21. 21 - Not Used
22. 22 - Not Used
23. 23 - RR Wiper 25 Amp (Clear) - Rear Wiper, Rear Wash Pump
24. 24 - 4WD 25 Amp (Clear) 4X4 Models - Front Axle Actuator, 4WD Indicator Lamp, TP2 Relay, Hour Meter (7Y4 Option)
25. A - PWR ACCY 30 Amp (Circuit Breaker) - Power Door Lock, 6 Way Power Seat, Keyless Entry Module
26. B - PWR WDOS 30 Amp (Circuit Breaker) - Power Windows

Scheme 4

Fuse & Relay Identification

1. 1 - Spare
2. 2 - STOP 30 Amp Maxifuse (Green) - Stop Lamps
3. 3 - A/C 50 Amp Maxifuse (Red) - High Blower Relay, Rear Blower Relay
4. 4 - ABS 60 Amp Maxifuse (Blue) - ABS Module
5. 5 - IGN B 50 Amp Maxifuse (Red) 50 Amp - IGN B Switch, Go To Fuse Block Busbar
6. 6 - IGN A 40 Amp Maxifuse (Amber) - IGN A Switch, Go To Fuse Block Busbar
7. 7 - BATTERY 50 Amp Maxifuse (Red) - Battery, Fuse Block Busbar
8. 8 - LIGHTING 50 Amp Maxifuse (Red) - Headlamp & Panel Dimmer Switch, Fog Lights, Courtesy Lights
9. 9 - 30 Amp (Green)
10. 10 - 30 Amp (Green)
11. 11 - 10 Amp (Red) - Spare
12. 12 - 20 Amp (Yellow) - Spare
13. 13 - 30 Amp (Green) - Spare
14. 14 - Not Used
15. 15 - A/C COMP 10 Amp (Red) - SW A/C Pressure to A/C Clutch
16. 16 - HORN 20 Amp (Yellow) - Horn, Underhood Lamps
17. 17 - ECM B 20 Amp (Yellow) - Fuel Pump, PCM
18. 18 - Not Used
19. 19 - AUX FAN 30 Amp (Green) - Aux. Fan
20. 20 - RR- DEFOG 30 Amp (Green)
21. 19 - RR- DEFOG 30 Amp (Green) - RR DEFOG
22. 20 - RR- DEFOG 30 Amp (Green) - RR DEFOG
23. 21 - ENG 1 20 Amp (Yellow) - IGN A Switch to Engine Loads, EGR, Canister Purge EVRV Idle Coast Solenoid, Heated O2 Sensor, Fuel Heater, Water Sensor
24. 22 - ECM 1 20 Amp (Yellow) - Injector #1, Injector #2, PCM
25. 23 - FUEL SOL 20 Amp (Yellow) - Fuel Solenoid (Diesel Engine Only)
26. 24 - Not Used
27. 25 - Not Used
28. 26 - IGN E 10 Amp (Red) - Aux Fan Relay Coil, Hot Fuel Module
29. 27 - Not Used
30. 28 - Not Used
31. 29 - GLOW PLUGS 10 Amp (Red) - Glow Plugs (Diesel Engine Only)
32. 30 - Not Used
33. 31 - Not Used
34. 32 - Not Used
35. A - 30 Amp
36. B - 30 Amp - UY1, UY7 Camper/Trailer Wiring
37. C - Brake Lamp Relay
38. D - Horn Relay
39. E - Auxiliary Fan Relay
40. F - A/C Relay
41. G - Fuel Pump Relay

Scheme 5

Fuse & Circuit Breaker Identification

1. A - Fog Lamp Relay
2. B - DRL (Daytime Running Lights) Relay
3. C - Hazard Flasher
4. D - Chime