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Fuses Usage
HTR A/C Climate Control System
LCK
Power Door Lock Relay
(Lock Function)
HVAC 1
Inside Rearview Mirror,
Climate Control System
LT DR
Driver’s Door Harness
Connection
CRUISE Cruise Control
UNLCK
Power Door Lock Relay
(Unlock Function)
RR FOG LP Not Used
BRAKE Brake Switch
DRIVER UNLCK
Power Door Lock Relay
(Driver’s Door Unlock
Function)
IGN 0
Brake Transmission Shift
Interlock, Powertrain Control
Module, Transmission
TBC IGN 0 Truck Body Controller
VEH CHMSL
Vehicle and Trailer High
Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRN
Left Turn Signals and
Sidemarkers
Fuses Usage
VEH STOP
Vehicle Stoplamps, Brake
Module, Electronic Throttle
Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRN
Right Turn Signals and
Sidemarkers
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2, M/GATE
Instrument Panel Outlets,
Rear Cargo Area Power
Outlets
LCKS
Rear Doors and Liftgate
Power Lock Relay Feed
ECC TPM
Liftgate, Tire Pressure
Monitoring System
TBC 2C Truck Body Controller
HAZRD Flasher Module
CB LT DRS
Left Rear Power Window
Circuit Breaker and Driver
Door Module
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
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