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The high-current fuses and relays are coded as follows.
Fuse/Relay
Location
Fuse Amp
Rating
Power Distribution Box Description
1 7.5A * Trailer Tow Left Stop/Turn Lamp
2 10A* Washer Pump
3 7.5A* Trailer Tow Right Stop/Turn Lamp
4 20A* Trailer Tow Backup Lamps, Trailer Tow
Park Lamps
5 20A* (Gasoline
only)
5A* (Diesel only)
Gasoline only-PCM, Fuel Pump Relay Coil,
Mass Air Flow Sensor, Fuel Injectors
Diesel only-Dual Alternator ЉAЉ Field
6 10A* Gasoline only-A/C (CASS)
Diesel only-Single or Dual Alternator
ЉAЉ Field, Regulator
7 20A* (Gasoline
only)
5A* (Diesel only)
Gasoline only-Vapor Management Valve,
HEGO Sensors, Intake Manifold
Communication Control, EVR Solenoid,
PCM, Canister Vent Solenoid
Diesel only-Dual Alternator ЉAЉ Field
8 15A* Trailer Tow Electronic Brake
Illumination, Park Lamps, Trailer Tow
Park Lamp Relay Coil
9 10A* Left Headlamp (Low Beam)
10 20A* Power Point
11 10A* Right Headlamp (Low Beam)
12 15A* Daytime Running Lamps (DRL)
Resistor
13 30A** Multi-function Switch, Headlamps
14 60A** Anti-Lock Brake System
15 — Not Used
16 30A** Trailer Tow Battery Charge
17 30A** Electronic Shift On The Fly Relay,
Transfer Case Shift Motor
18 30A** Power Seat
19 20A** Fuel Pump Motor, PCM
20 50A** Ignition Switch (B4 & B5)
Roadside emergencies
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