Fuses and Relays
CAUTION
This vehicle may be equipped with a roof-
mounted Citizens’ Band (CB) antenna. Operation
of an amplified CB radio with output power
greater than FCC limits (4W AM/12W SSB) is ille-
gal, and may expose vehicle occupants to radio
frequency (RF) radiation that exceeds FCC maxi-
mum permissible RF exposure limits. Vehicle oc-
cupants with electronic medical devices should
consult the device manufacturer’s user manual or
a physician for information on RF radiation expo-
sure limit guidelines.
SAM Cab Fuses
Part Name AMP
F1 Power FD Spare1&3 30
F2
Cab/Slpr HVAC Ctrl
Trans Shift Pnl
15
F3 Power FD Spare2&4 30
F4 MSF 15
F5
OBD J1939
OBD DCDI
10
F6 Dash Power Recp 1 15
F7 Dash Power Recp 2 15
F8 Phone/Radio 15
F9 Amplifier Power 20
F10 Cab HVAC Motor 30
F11 Sleeper HVAC Motor 30
F12 Door Controls, L 20
F13
Door Lock
Coll Warn Sys
20
F14
Fleet Mgm Sys
CB
25
F15 Sleeper Power Recp 3 20
F16A Aux Cab Heater Enable 3
F16B Aux Coolant Heater 20
F17 Power Recp 4 20
F18
GPS
Tire Press Monitor
Antitheft Warn
AuxiliaryTelematics
15
F19 Heated Seat 20
SAM Cab Fuses
Part Name AMP
F20 CGW 2
F21 Area Light 15
F22
ICU
Horn Switch
5
F23
GPS
Driver Info Sys
Fleet Mgmt Sys
Pyrometer, Axle Temp, Eng
Oil Temp Gauges
15
F24
Diagnostic Conn
ICU
7.5
*
F25
Trans Temp Gauge/Shift
Select
Phone
Collision Warn Sys
10
†
F26 SRS Airbags 5
F27 Mirror Heat, L 10
F28 Mirror Heat, R 10
F29 SAM Relay Coils 3
F30 Power Recp 6 20
F31 Power Recp 5 20
F32 Power FD Spare 5 & 6 25
F33 Spotlight 20
F34 Baggage Comp Lamp 3
F35 Dome Lamp 15
F36
Aux Circulation Fan
Road Lamps
15
F37
Clock (cab & sleeper)
Driver Info Sys
CD Player
Keyless Entry
15
F38 Door Controls, R 20
F39 Power Window, R 15
F40 Power Window, L 15
F41 Aux Mirror Heat 10
*
F24 value on assemblies -005 and lower is 10 amps.
†
F25 value on assemblies -005 and lower is 7.5 amps.
Table 26.1, SAM Cab Fuses
Specifications
26.1
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