There are two instrument panel fuse blocks located behind the instrument panel on the passenger side of the vehicle.
Be sure to replace fuses with fuses of the same rating. Do not use fuses of higher amperage than those indicated on the fuse block.
Fuse | Usage |
|---|---|
1 | Stoplamps |
2 | Not Used |
3 | Parking Lamps |
4 | Powertrain Control Module |
5 | Auxiliary Wiring |
6 | Heater/Air Conditioning |
7 | Hazard Warning Flashers |
8 | Power Post |
9 | Courtesy Lamps |
10 | Warning Lights, Gages and Indicators |
11 | Starter |
12 | Rear Axle/Four-Wheel-Drive |
13 | Trailer Turn Signals/Hazard Warning Flashers |
14 | Radio/Chime |
15 | Daytime Running Lamps |
16 | Airbag System |
17 | Exterior/Interior Lamps |
18 | Parking Brake |
19 | Accessory Power |
20 | Ignition 4 |
21 | Sidemarker Lamps |
22 | Turn Signal/Backup Lamps |
23 | Transmission |
24 | Hydraulics/Air Brake |
A | Spare |
B | Spare |
Fuse | Usage |
|---|---|
Blank | Not Used |
BRK | Brake Warning Lamp |
RT PRK | Passenger Side Parking Lamps |
Blank | Not Used |
Blank | Not Used |
LT PARK | Driver Side Parking Lamps |
RT REAR TRN/STOP | Passenger Side Rear Turn Signal/Stoplamp |
LT REAR TRN/STOP | Driver Side Rear Turn Signal/Stoplamp |
RADIO | Radio |
Blank | Not Used |
Blank | Not Used |
PWR WNDW | Power Windows |
Relay | Usage |
|---|---|
ECU/PTO* | Engine Control Unit/Power Take-Off *Diesel 7.8 Duramax |
BRK LAMP | C4/C5 Brake Lamps, C6/C7/C8 Tractor/Trailer Wiring |
DRL | Daytime Running Lamps |
IGN-4 | Ignition |
CHMSL | Center High Mounted Stoplamp |
MRK LTS | Sidemarker and Clearance Lamps |
HTD/MIRR | Heated Mirrors |
HTR | Diesel Heated Fuel |
RT TRN TRLR | Passenger Side Trailer Turn Signal |
Blank | Not Used |
LT TRN TRLR | Driver Side Trailer Turn Signal |
Blank | Not Used |
Blank | Not Used |
Blank | Not Used |
