There are two instrument panel fuse blocks located behind the instrument panel on the passenger's 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.
Circuit Breaker | Usage |
|---|---|
1 | Stoplamps |
2 | Center High-Mounted Stoplamp |
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 | Air Bag 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 |
|---|---|
HTD/MIRR | Heated Mirrors |
Blank | Not Used |
RT TRN TRLR | Trailer Right Turn Signal |
Blank | Not Used |
LT TRN TRLR | Trailer Left Turn Signal |
Blank | Not Used |
BRK | Brake Warning Lamp |
RT PRK | Right-hand Parking Lamps |
Blank | Not Used |
Blank | Not Used |
Blank | Not Used |
LT PARK | Left-hand Parking Lamps |
Blank | Not Used |
RT REAR TRN/STOP | Right Rear Turn Signal/Stoplamp |
LT REAR TRN/STOP | Left Rear Turn Signal/Stoplamp |
RADIO | Radio |
Blank | Not Used |
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 Stop Lamp |
MRK LTS | Sidemarker and Clearance Lamps |
