Vehicle* Axle Ratio Maximum Trailer Weight GCWR
K-3500 Crew Cab (4WD)*
6000 V8 Dual Rear
Wheel4.10 9,200 lbs (4 173 kg) 16,000 lbs (7 264 kg)
6000 V8 Single Rear
Wheel4.10 9,400 lbs (4 264 kg) 16,000 lbs (7 264 kg)
8100 V8 Dual Rear
Wheel4.10 12,000 lbs (5 443 kg) 22,000 lbs (9 979 kg)
8100 V8 Single Rear
Wheel4.10 12,000 lbs (5 443kg) 22,000 lbs (9 979 kg)
6.6L V8 Diesel Single
Rear Wheel (Auto)3.73 12,000 lbs (5 443 kg) 22,000 lbs (9 979 kg)
6.6L V8 Diesel Single
Rear Wheel (Manual)3.73 12,000 lbs (5 443 kg) 22,000 lbs (9 979 kg)
6.6L V8 Diesel Dual
Rear Wheel (Auto)3.73 12,000 lbs (5 443 kg) 23,500 lbs (10 659 kg)
6.6L V8 Diesel Dual
Rear Wheel (Manual)3.73 12,000 lbs (5 443 kg) 23,500 lbs (10 659 kg)
*Fifth-wheel or gooseneck kingpin weight should be 15 percent to 25 percent of trailer weight up
to 3,500 lbs (1 587 kg) maximum.
Fifth-wheel or gooseneck GCWR for 6.6L V8 Diesel 3500 SRW series models is 23,200 lbs (10 523 kg).
4-82
Fuses Usage
IGN 3 Ignition, Heated Seats
4WDFour-Wheel Drive System,
Auxiliary Battery
HTR A/C Climate Control System
LOCK (Relay)Power Door Lock Relay
(Lock Function)
HVAC 1 Climate Control System
LT DRDriver’s Door Harness
Connection
CRUISECruise Control, Power Take
Off (PTO)
UNLCK (Relay)Power Door Lock Relay
(Unlock Function)
RR FOG LP Not Used
BRAKE Anti-Lock Brake SystemFuses Usage
DRIVER UNLCKPower Door Lock Relay
(Driver’s Door Unlock
Function)
IGN 0 TCM
TBC IGN 0 Truck Body Controller
VEH CHMSLVehicle and Trailer High
Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRNLeft Turn Signals and
Sidemarkers
VEH STOPVehicle Stoplamps, Brake
Module, Electronic Throttle
Control Module
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRNRight Turn Signals and
Sidemarkers
5-125
