Categories: Ford

Ford F-650 / F-750 (2001-2015) fuses and relays

In this article, we consider the seventh-generation Ford F-650 / F-750, produced from 2001 to 2015. Here you will find fuse box diagrams of Ford F-650 and F-750 2004, 2005, 2006, 2008 and 2011, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

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Fuse Layout Ford F650 / F750 2001-2015

Contents

Information from the owner’s manuals of 2004, 2005, 2006, 2008 and 2011 is used. The location and function of fuses in cars produced at other times may differ.

Cigar lighter (power outlet) fuses in the Ford F-650 / F-750 are the fuses №104 (Power point) in the battery junction box (Engine compartment), and №3 (Cigar lighter) in the central junction box (Passenger compartment).

Table of Contents

Fuse box location

Passenger compartment

The fuse box is located behind the passenger airbag cover and can be accessed through the glove box.

Engine compartment

The power distribution box is located in the engine compartment.

Fuse box diagrams

2004

Fuse block – battery junction box

№	Amp Rating	Fuse Description
F1	15A*	Main light switch
F2	30A*	Power seat (driver)
F3	30A*	Power seat (passenger)
F4	15A*	Washer pump relay, Washer pump motor
F5	15A*	Exhaust brake (Caterpillar and Cummins engine)
F6	15A*	Air intake heater (Caterpillar engine)
F7	15A*	Stoplamp switches
F8	25A*	Fuel heater relay (Caterpillar engine)
F8	20A*	Fuel heater relay (6.0L Power Stroke engine)
F9	—	Not used
F10	15A*	Heated drain valve
F11	—	Not used
F12	—	Not used
F13	10 A*	Parking brake
F14	—	Not used
F15	7.5A*	Body builder – trailer adapter stoplamps
F16	5A*	WABCO hydraulic ABS
F17	—	Not used
F18	10 A*	Fuel transfer pump
F19	—	Not used
F20	10 A*	Engine ECM power relay (6.0L Power Stroke engine)
F21	10 A*	Control for Hydro-max motor
F22	10 A*	V8 engine IDM2 logic power
F23	—	Not used
F24	—	Not used
F101	30A**	Air ABS relay, Hydraulic modulator relay
F102	20A**	Ignition switch to customer access
F103	50A**	Ignition switch, Central Junction Box (CJB) fuses 8, 9, 10, 11, 19, 20, 23, 24, 25, 29, 30, 31
F104	20A**	Power point
F105	20A**	Door lock switches
F106	30A**	Main light switch, Multifunction switch, CJB fuses 16, 26 and 28, Headlamps, DRL relays
F107	50A**	CJB fuses 1, 2, 3, 4, 12, 13, 14, 15
F108	40 A**	Fuel heater relay (Cummins engine)
F109	40 A**	Power windows relay
F110	—	Not used
F111	30A**	Park lamps relay, Park lamps
F112	40 A**	Blow’er motor relay, Blower motor
F113	30A**	Heated seats
F114	25A**	Hydraulic ABS ECU power
F115	40 A**	Ignition switch, CJB fuse 21
F116	30A**	Turn relays and back-up lamp relay
F117	20A**	Stoplamp relay (Caterpillar and Cummins engine)
F118	60A**	Trailer tow left, right and ABS fuse block (Hydraulic brake vehicles)
F119/F120	60A**	Trailer tow fuse block, Stop/Tail/Marker lamps
F121/F122	60A**	Trailer tow fuse block (Air brake vehicles), Left, right and ABS, Hydraulic HydroMax pump motor fuse relay
R1-201	—	Washer pump relay
R2-202	—	Wiper speed relay
R3-203	—	Wiper run-park relay
R4-204		Crank inhibit relay (6.0L Power Stroke engine)/Exhaust brake relay (Caterpillar and Cummins engine)
R5-207	—	Drain valve heater relay
R6-205	—	RH stop/turn relay
R7-206	—	LH stop/turn relay
R8-208	—	Back-up lamps relay
R9-209		ECM ISO relay (6.0L Power Stroke engine) or Stoplamp relay (Caterpillar and Cummins engine)
FIR1-301	—	Fuel heater, Fuel heater-fuel transfer pump
FIR2-302	—	Park lamp relay
FIR3-303	—	Blower motor relay
FIR4-304	—	Air ABS relay, Hydraulic modulator relay
		* Mini fuse ** Maxi fuse

Fuse block – central junction box

№	Amp Rating	Fuse Description
1	20A	Horn relay
2	15A	Hazard flasher
3	20A	Cigar lighter
4	10A	Diagnostics
5	15A	Blend door actuator, Back-up lamps, DRL signal, Heated seats
6	10A	Horn switch
7	—	Not used
8	5A	Radio, GEM ACC
9	5A	Headlamp switch LED, Window switch LED and relay
10	15A	Heated and lighted mirrors
11	30A	Wiper motor, Washer pump relay
12	10A	Stop lamp switch (Hydraulic brake vehicles)
13	20A	Cluster, Radio
14	10A	Interior lamp relay
15	10A	Interior lamp relay
16	15A	Headlamp high beam, High beam indicator
17	—	Not used
18	5A	Headlamp switch interior lighting
19	15A	Engine control (all engines), Accelerator pedal (6.0L Power Stroke engine)
20	15A	Starting system
21	10A	DRL resistor
22	15A	Speed control feed (6.0L Power Stroke engine), Air solenoid, Fuel transfer pump
23	10A	Hazard flasher (Run)
24	15A	ABS, Air dryer, Vacuum pump, Fuel heater relay
25	10A	Function selector switch
26	10A	RH headlamp low beam
27	—	Not used
28	10A	LH headlamp low beam
29	10A	Cluster warning lamps, Gauges GEM, Hydraulic brake ABS
30	—	Not used
31	15A	Allison transmission or ABS event
Relay 1	1/2 ISO	Interior lamp relay
Relay 2	1/2 ISO	Not used
Relay 3	Full ISO	Horn relay
Relay 4	Full ISO	One-touch window down relay
Relay 5	Full ISO	Not used

2005

Passenger compartment

Assignment of the fuses in the Passenger compartment (2005)

№	Amp Rating	Fuse Description
1	20A	Horn
2	15A	Turn/Hazard lamps
3	20A	Cigar lighter
4	10A	Diagnostic connectors
5	15A	Back-up lamps, DRL relays, Blend door actuator, Heated seat module, Trailer ABS relay
6	—	Not used
7	—	Not used
8	5A	Radio, GEM
9	5A	Switch illumination (Headlamp, Power windows, Power door locks), Power window relay
10	15A	Heated/Lighted mirrors
11	30A	Wiper motor, Washer pump relay
12	10A	Stoplamp switch (Hydraulic brake vehicles only)
13	20A	Radio, Cluster
14	10A	Interior lamps
15	10A	GEM, Interior lamp relay, Map lamps
16	15A	High beams
17	—	Not used
18	5A	Headlamp switch, GEM
19	15A	Engine ECM (Caterpillar and Cummins engines)
19	15A	Engine ECM, Accel, Crank (6.0L Power Stroke engine only)
20	15A	Starter relay, GEM
21	10A	Daytime Running Lamps (DRL)
22	15A	Air solenoid 4-pack (Air horn, Air suspension dump, Differential lock axle and Two-speed axle)
23	10A	Electronic flasher
24	15A	Vacuum pump, Air dryer, ABS, Fuel heater/Fuel transfer pump relay, Heated drain valve, 6.0L Power Stroke Water In Fuel (WIF) module
25	10A	Blower motor relay
26	10A	RH low beam headlamp
27	—	Not used
28	10A	LH low beam headlamp
29	10A	Cluster (Power, Warning lamps), Hydraulic ABS relay, Air traction control
30	30A	Not used
31	15A	Allison transmissions
Relay 1	—	Interior lamps
Relay 2	—	Not used
Relay 3	—	Horn
Relay 4	—	One-touch down window
Relay 5	—	Not used

Engine compartment

Assignment of the fuses in the Power distribution box (2005)

№	Amp Rating	Description
1	15A*	Park lamps, Roof lamps
2	30A*	Power seat (driver)
3	30A*	Power seat (passenger)
4	15A*	Washer pump
5	15A*	Exhaust brake (Caterpillar and Cummins engines only)
6	15A*	Air intake heater (Caterpillar engine only)
7	15A*	Stoplamps
8	25A*	Fuel heater (Caterpillar engine only)
8	20A*	Fuel heater (6.0L Power Stroke engine only)
9	—	Not used
10	15A*	Heated drain valve
11	—	Not used
12	—	Not used
13	10 A*	Power park brake
14	—	Not used
15	7.5A*	Body builder prep/trailer socket stop (6.0L Power Stroke engine only)
16	5A*	WABCO hydraulic ABS Run feed
17	—	Not used
18	10 A*	Fuel transfer pump (duel fuel tanks only)
19	—	Not used
20	10 A*	Engine ECM power relay (6.0L Power Stroke engine only)
21	10 A*	GEM (Hydraulic brake vehicles only)
22	10 A*	Engine IDM2 logic power (6.0L Power Stroke engine only)
23	—	Not used
24	—	Not used
101	30A**	Bendix Air ABS relay (Air brake vehicles only)
101	30A**	WABCO ABS modulator relay (Hydraulic brake vehicles only)
102	20A**	Body builder prep Run feed
103	50A**	Ignition switch (Junction box fuses 8, 9, 10, 11, 19, 20, 22, 23, 24,25, 29, 30,31)
104	20A**	Power point
105	20A**	Power door locks
106	30A**	Headlamps
107	50A**	Junction box battery feed (1,2, 3, 4, 12, 13, 14, 15)
108	40 A**	Fuel heater (Cummins engine only)
109	40 A**	Power windows
110	—	Not used
111	30A**	Body builder prep
112	40 A**	Blower motor
113	30A**	Heated seat (passenger side)
114	25A**	WABCO ABS battery feed (Hydraulic brake vehicles only)
115	40 A**	Ignition switch (Junction box fuses 5, 8, 9, 10, 11, 21)
116	30A**	Body builder prep
117	20A**	Body builder prep/trailer socket stop (Caterpillar and Cummins engines only)
118	60A**	Hydraulic brake trailer two fuse block. Air brake trailer two fuse block
119/120	60A**	Hydraulic brake trailer two fuse block
121/122	60A**	HydroMax motor. Air brake trailer two fuse block
201	—	Washer pump relay
202	—	Wiper speed relay
203	—	Wiper run/park relay
204	—	Neutral start relay (6.0L Power Stroke engine only)
204	—	Exhaust brake relay (Caterpillar and Cummins engines only)
205	—	RH stop/turn relay
206	—	LH stop/turn relay
207	—	Drain valve heater relay
208	—	Back-up lamps relay
209	—	Stoplamps relay
301	—	Fuel heater/Fuel transfer pump relay
302	—	Park lamps relay
303	—	Blower motor relay
304	—	Air ABS relay. Hydraulic modulator relay
401	—	Not used
501	—	Not used
502	—	Not used
503	—	Not used
		* Mini fuse ** Maxi fuse

Air brake trailer tow relays (if equipped) (2005)

№	Amp Rating	Description
1	30A*	Trailer tow ABS feed
2	30A*	Trailer tow park/marker lamps
3	30A*	Trailer tow stop lamps
4	30A*	Trailer tow turn/stop lamps (combined)
4	30A*	Trailer tow turn lamps (separate)
5	—	Not used
R1	—	Trailer tow ABS relay
R2	—	Trailer tow stop lamp relay
R3	—	Trailer tow park/marker lamp relay
R4	—	Trailer tow tail lamp relay
R5	—	Not used
R6	—	Not used
R7	—	Trailer tow left turn/stop lamp relay (combined)
R7	—	Trailer tow left turn lamp relay (separate)
R8	—	Trailer tow right turn/stop lamp relay (combined)
R8	—	Trailer tow right turn lamp relay (separate)
		* Maxi fuse

2006

Passenger compartment

Assignment of the fuses in the Passenger compartment (2006)

№	Amp Rating	Description
1	20A	Horn
2	15A	Turn/Hazard lamps
3	20A	Cigar lighter
4	10A	Diagnostic connectors
5	15A	Back-up lamps, DRL relays, Blend door actuator, Heated seat module, Trailer ABS relay
6	—	Not used
7	—	Not used
8	5A	Radio, GEM
9	5A	Switch illumination (Headlamp, Power windows, Power door locks), Power window relay
10	15A	Heated/Lighted mirrors
11	30A	Wiper motor, Washer pump relay
12	10A	Stoplamp switch (Hydraulic brake vehicles only)
13	20A	Radio, Cluster
14	10A	Interior lamps
15	10A	GEM, Interior lamp relay, Map lamps
16	15A	High beams
17	—	Not used
18	5A	Headlamp switch, GEM
19	15A	Engine ECM (Caterpillar and Cummins engines)
19	15A	Engine ECM, Accel, Crank (6.0L Power Stroke engine only)
20	15A	Starter relay, GEM
21	10A	Daytime Running Lamps (DRL)
22	15A	Air solenoid 4-pack (Air horn, Air suspension dump, Differential lock axle and Two-speed axle)
23	10A	Electronic flasher
24	15A	Vacuum pump, Air dryer, ABS, Fuel heater/Fuel transfer pump relay, Heated drain valve, 6.0L Power Stroke Water In Fuel (WIF) module
25	10A	Blower motor relay
26	10A	RH low beam headlamp
27	—	Not used
28	10A	LH low beam headlamp
29	10A	Cluster (Power, Warning lamps), Hydraulic ABS relay, Air traction control
30	30A	Not used
31	15A	Allison transmissions
Relay 1	—	Interior lamps
Relay 2	—	Not used
Relay 3	—	Horn
Relay 4	—	One-touch down window
Relay 5	—	Not used

Engine compartment

Assignment of the fuses in the Power distribution box (2006)

№	Amp Rating	Description
1	15A*	Park lamps, Roof lamps
2	30A*	Power seat (driver)
3	30A*	Power seat (passenger)
4	15A*	Washer pump
5	15A*	Exhaust brake (Caterpillar and Cummins engines only)
6	15A*	Air intake heater (Caterpillar engine only)
7	15A*	Stoplamps
8	25A*	Fuel heater (Caterpillar engine only)
8	20A*	Fuel heater (6.0L Power Stroke engine only)
9	20A*	Inhibit relay, Engine ECM, Cluster, Transmission TCM
10	15A*	Heated drain valve
11	—	Not used
12	20A*	Daytime Running Lamps (DRL), Blend door actuator, Climate mode, Back-up, Heated seats, Trailer ABS, Exhaust brake
13	—	Not used
14	—	Not used
15	7.5A*	Body builder prep/trailer socket stop (6.0L Power Stroke engine only)
16	5A*	WABCO hydraulic ABS Run feed
17	—	Not used
18	10 A*	Fuel transfer pump (duel fuel tanks only)
19	—	Not used
20	10 A*	Engine ECM power relay (6.0L Power Stroke engine only)
21	10 A*	GEM (Hydraulic brake vehicles only)
22	10 A*	Engine IDM2 logic power (6.0L Power Stroke engine only)
23	—	Not used
24	—	Not used
101	30A**	Bendix Air ABS relay (Air brake vehicles only)
101	30A**	WABCO ABS modulator relay (Hydraulic brake vehicles only)
102	20A**	Body builder prep Rim feed
103	20A**	Ignition switch (Junction box fuses 8, 9, 10, 11, 19, 29, 30)
104	20A**	Power point
105	20A**	Power door locks
106	30A**	Headlamps
107	50A**	Junction box battery feed (1,2, 3, 4, 12, 13, 14, 15)
108	40 A**	Fuel heater (Cummins engine only)
109	40 A**	Power windows
110	30A**	Wiper power relay (Park, Low/High speed)
111	30A**	Body builder prep
112	40 A**	Blower motor
113	30A**	Heated seats
114	25A**	WABCO ABS battery feed (Hydraulic brake vehicles only)
115	20A**	Ignition switch, Central Junction Box fuses 8, 9, 10, 11, Starter motor relay
116	30A**	Body builder prep
117	20A**	Body builder prep/trailer socket stop (Caterpillar and Cummins engines only)
118	60A**	Hydraulic brake trailer two fuse block
119/120	60A**	Hydraulic brake trailer two fuse block. Air brake trailer two fuse block
121/122	60A**	HydroMax motor. Air brake trailer two fuse block
201	—	Washer pump relay
202	—	Wiper speed relay
203	—	Wiper run/park relay
204	—	Neutral start relay (6.0L Power Stroke engine only)
204	—	Exhaust brake relay (Caterpillar and Cummins engines only)
205	—	RH stop/turn relay
206	—	LH stop/turn relay
207	—	Drain valve heater relay
208	—	Back-up lamps relay
209	—	Stoplamps relay
301	—	Fuel heater/Fuel transfer pump relay
302	—	Park lamps relay
303	—	Blower motor relay
304	—	Air ABS relay
304	—	Hydraulic modulator relay
401	—	Not used
501	—	Not used
502	—	Not used
503	—	Not used
		* Mini fuse ** Maxi fuse

Air brake trailer tow relays (if equipped) (2006)

№	Amp Rating	Description
1	30A*	Trailer tow ABS feed
2	30A*	Trailer tow park/marker lamps
3	30A*	Trailer tow stop lamps
4	30A*	Trailer tow turn/stop lamps (combined)
4	30A*	Trailer tow turn lamps (separate)
5	—	Not used
R1	—	Trailer tow ABS relay
R2	—	Trailer tow stop lamp relay
R3	—	Trailer tow park/marker lamp relay
R4	—	Trailer tow tail lamp relay
R5	—	Not used
R6	—	Not used
R7	—	Trailer tow left turn/stop lamp relay (combined)
R7	—	Trailer tow left turn lamp relay (separate)
R8	—	Trailer tow right turn/stop lamp relay (combined)
R8	—	Trailer tow right turn lamp relay (separate)
		* Maxi fuse

Inline fuses

Your vehicle has two inline fuses located in/on the battery cables by the battery. A 10A fuse for the transmission control module and a 40A fuse for the engine control module.

2008

Passenger compartment

Assignment of the fuses in the Passenger compartment (2008)

№	Amp Rating	Description
1	20A	Horn relay
2	15A	Flasher
3	20A	Cigar lighter
4	10A	Diagnostics, Parking brake warning
5	15A	Blend door actuator, Climate mode, Back-up lamps, DRL signal, Heated seats, Trailer ABS, Exhaust brakes
6	—	Not used
7	—	Not used
8	5A	Radio, GEM 4
9	5A	Power window switch LED and relay
10	15A	Heated mirrors
11	5A	Wiper motor, Washer pump relays
12	10A	Stoplamp switch (Hydraulic brake vehicles only), Allison push-button shifter
13	20A	Cluster, Radio
14	10A	Interior lamp relay
15	10A	Interior lamp relay, GEM, Vanity mirrors
16	15A	High beams, Indicator
17	—	Not used
18	5A	Headlamp switch interior lighting
19	15A	Engine control
20	5A	Starting system
21	10A	DRL resistor
22	15A	Air horn, Air suspension dump, Two-speed axle, Driver-controlled locking differential
23	10A	Flasher
24	15A	ABS, Air dryer, Vacuum pump, Fuel heater relay
25	10A	Function selector switch
26	10A	RH low beam headlamp
27	—	Not used
28	10A	LH low beam headlamp
29	10A	Cluster warning lamps, Gauges, GEM, Hydraulic ABS
30	15A	Allison electronic transmission
31	—	Not used
Relay 1	—	Interior lamps
Relay 2	—	Not used
Relay 3	—	Horn
Relay 4	—	One-touch down window
Relay 5	—	Not used

Engine compartment

Assignment of the fuses in the Power distribution box (2008)

№	Amp Rating	Description
1	15A*	Main light switch
2	30A*	Power seat (driver)
3	30A*	Power seat (passenger)
4	15A*	Washer pump relay, Washer pump motor
5	—	Not used
6	15A*	Air intake heater (Caterpillar engine only)
7	15A*	Stoplamp switches (Air brake vehicles only)
8	25A*	Fuel heater relay (Caterpillar engine-equipped vehicles with dual fuel tanks only)
9	20A*	Inhibit relay, Engine ECM, Cluster, Transmission TCM
10	15A*	Heated drain valve
11	30A*	Electric trailer brake
12	20A*	Daytime Running Lamps (DRL), Blend door actuator, Climate mode, Back-up, Heated seats, Trailer ABS, Exhaust brake
13	—	Not used
14	—	Not used
15	7.5A*	Body builder – trailer adapter stoplamps
16	5A*	Bendix Air ABS (Air brake vehicles only)
16	5A*	WABCO ABS (Hydraulic brake vehicles only)
17	—	Not used
18	10 A*	Fuel transfer pump (duel fuel tanks only)
19	—	Not used
20	—	Not used
21	10 A*	Hydromax motor control
22	—	Not used
23	—	Not used
24	—	Not used
101	30A**	Bendix Air ABS relay (Air brake vehicles only)
101	30A**	WABCO ABS modulator relay (Hydraulic brake vehicles only)
102	20A**	Ignition switch to customer access
103	20A**	Ignition switch (Junction box fuses 8, 9, 10, 11, 19, 29 and 30)
104	20A**	Power point
105	20A**	Power door locks
106	30A**	Main light switch, Multifunction switch, CJB fuses 16, 26 and 28, Headlamps, DRL relays
107	50A**	Junction box fuses 1, 2, 3, 4, 12, 13, 14 and 15
108	40 A**	Fuel heater relay (Cummins engine only)
109	40 A**	Power windows relay
110	30A**	Wiper power relay (Park, LowYHigh speed)
111	30A**	Park lamps relay, Park lamps
112	40 A**	Blower motor relay, Blower motor
113	30A**	Heated seats
114	25A**	Hydraulic ABS ECU power
115	20A**	Ignition switch, Central Junction Box fuses 8, 9, 10 and 11, Starter motor relay
116	30A**	Left/Right turn relays, Back-up lamp relay
117	20A**	Stoplamps relay
118	60A**	Hydraulic brake vehicles (Trailer tow package only)
119/120	60A**	Hydraulic brake vehicle (Trailer tow package only)
119/120	60A**	Air brake vehicles (Trailer tow package only)
121/122	60A**	Hydraulic brake, ABS system
121/122	60A**	Air brake trailer tow fuse block
201	—	Washer pump relay
202	—	Wiper speed relay
203	—	Wiper on/off relay
204	—	Wiper power relay
205	—	RH stop/turn relay
206	—	LH stop/turn relay
207	—	Hydraulic ABS event relay
208	—	Back-up lamps relay
209	—	Stoplamp relay
301	—	Fuel heater/Fuel transfer pump relay
302	—	Park lamps relay
303	—	Blower motor relay
304	—	Air ABS relay
304	—	Hydraulic modulator relay
		* Mini fuse ** Maxi fuse

Air brake trailer tow relays (if equipped) (2008)

Trailer tow relays (if equipped) (2008)

№	Amp Rating	Description
1	30A*	Trailer tow ABS feed
2	30A*	Trailer tow park/marker lamps
3	30A*	Trailer tow stop lamps
4	30A*	Trailer tow turn/stop lamps (combined)
4	30A*	Trailer tow turn lamps (separate)
5	—	Not used
R1	—	Trailer tow ABS relay
R2	—	Trailer tow marker lamp relay
R3	—	Trailer tow stop lamp relay
R4	—	Trailer tow tail lamp relay
R5	—	Not used
R6	—	Not used
R7	—	Trailer tow left turn lamp relay
R8	—	Trailer tow right turn lamp relay
		* Maxi fuse

Inline fuses

Your vehicle has two inline fuses located in/on the battery cables by the battery. A 10A fuse for the transmission control module and a 40A fuse for the engine control module.

2011

Passenger compartment

Assignment of the fuses in the Passenger compartment (2011)

№	Amp Rating	Description
1	20A	Horn
2	15A	Flasher relay
3	20A	Power point
4	10A	Data Link Connector (DLC), Engine diagnostic connector, Parking brake warning
5	15A	Run relay
6	—	Not used
7	—	Not used
8	5A	Radio, GEM
9	5A	Power window relay
10	15A	Heated mirrors
11	5A	Wiper and washer systems
12	10A	Transmission shift selector
13	20A	Radio, Power mirrors
14	10A	Interior lamp relay
15	10A	Interior lamp relay
16	15A	High beams, Indicator
17	—	Not used
18	5A	Dimmer switch, Interior lighting
19	15A	Engine control
20	5A	Starting system
21	10A	DRL resistor
22	15A	Air horn, Air suspension dump, Two-speed axle, Driver-controlled locking differential
23	10A	Flasher relay
24	15A	ABS relay, Fuel heater relay, Air diyer
25	10A	Blower motor relay
26	10A	Right-hand low beam headlight
27	—	Not used
28	10A	Left-hand low beam headlight
29	10A	Cluster, GEM
30	15A	Allison electronic transmission
31	15A	Mirror fold relay
Relay 1	—	Interior lamps
Relay 2	—	Not used
Relay 3	—	Horn
Relay 4	—	Not used
Relay 5	—	Not used

Engine compartment

Assignment of the fuses in the Power distribution box (2011)

№	Amp Rating	Description
1	20A	Upfitter switches (AUX 2 and AUX 4)
2	30A	Power seat (driver)
3	30A	Power seat (passenger)
4	15A	Windshield washer relay, Washer pump motor
5	5A	Brake warning switch (hydraulic brake only)
6	20A	Upfitter switches (AUX 1 and AUX 3)
7	15A	Brake pressure switches, ABS event relay
8	20A	DEF (Urea), Line heaters
9	20A	Ignition switch, Starter cutoff
10	15A	Air tank moisture removal valve
11	30A	Electric trailer brake
12	20A	Passenger compartment fuse box 5 and 21
13	15A	Instrument cluster/Gateway module
14	20A	Nitrogen oxide sensor
15	—	Not used
16	5A	Bendix® Air ABS
17	—	Not used
18	10A	Fuel transfer pump
19	—	Not used
20	—	Not used
21	—	Not used
22	—	Not used
23	—	Not used
24	—	Not used
101	30A	Bendix Air ABS relay (Air brake vehicles only)
101	30A	Hydraulic brakes module (Hydraulic brake vehicles only)
102	20A	Ignition switch
103	20A	Ignition switch, Passenger compartment fuse box fuses 19, 29 and 30
104	20A	Power point
105	20A	Power door lock switches
106	30A	Main light switch, Multi-function switch
107	50A	Passenger compartment fuse box fuses 1,2, 3, 4, 12, 13, 14 and 15
108	40A	Fuel heater
109	40A	Power window
110	30A	Windshield wiper
111	30A	Body builder relay, Parking lamps
112	40A	Blower motor
113	30A	Heated seats, Air-Ride seat
114	20A	Aftertreatment DCU
115	20A	Ignition switch, Passenger compartment fuse box fuses 8, 9, 10 and 11
116	30A	Left/Right turn relays, Back-up lamp relay
117	20A	Stoplamps
118	60A	Hydraulic brake vehicles (Trailer tow’ package only)
601	60A	Trailer socket
602	60A	Air brake trailer tow fuse block
602	30A	Hydraulic brakes pump motor 2
201	—	Windshield washer relay
202	—	Wiper high/low relay
203	—	Wiper run/park relay
204	—	Windshield wiper relay
205	—	Body builder relay, right turn
206	—	Body builder relay, left turn
207	—	ABS event relay (Hydraulic brake vehicles only)
208	—	Body builder relay, back-up lamps relay
209	—	Auxiliary stoplamp relay
301	—	Fuel heater/Fuel transfer pump relay
302	—	Body builder relay, parking lamps relay
303	—	Blower motor relay
304	—	DEF (Urea) line heaters relay

		Individual maxi-fuse holder in engine compartment
9925	30A	Hydraulic brakes pump motor 1

Relay center

The relay center is located along the passenger side A-pillar on the right side of the footwell.

№	Relay description
R1	Spring applied hydraulic release warning chime module
R2	A/C compressor clutch
R3	Power windows
R4	Flasher (standard/LED)
R5	Upfitter relay 1
R6	UpFitter relay 2
R7	Headlights
R8	Spare
R9	Upfitter relay 3
R10	Starter
R11	DCU
R12	Two-speed axle/Differential lock
R13	Door lock
R14	Air tank moisture valve
R15	DRL #1
R16	Heated mirrors
R17	Spare
R18	Upfitter relay 4
R19	PRNDL display
R20	Selective Catalyst Reduction (SCR) system (NOx)
R21	Run
R22	Door unlock
R23	ABS warning indicator
R24	DRL #2
R25	Park lights
R26	Spare

Trailer tow relays (if equipped) (2011)

№	Amp Rating	Description
1	30A*	Trailer tow ABS feed (non electric trailer brake vehicles only)
2	30A*	Trailer tow park/marker lamps
3	30A*	Trailer tow stop lamps
4	30A*	Trailer tow turn/stop lamps (combined)
4	30A*	Trailer tow turn lamps (separate)
5	—	Not used
R1	—	Trailer tow ABS relay (non electric trailer brake vehicles only)
R2	—	Trailer tow marker lamp relay
R3	—	Trailer tow stop lamp relay
R4	—	Trailer tow tail lamp relay
R5	—	Not used
R6	—	Not used
R7	—	Trailer tow left turn lamp relay
R8	—	Trailer tow right turn lamp relay
		* Maxi fuse

Inline fuses

Your vehicle may have several inline fuses located in/on the battery cables located in the battery box depending on application.

All Allison transmission-equipped vehicles have a 10 Amp fuse located in the clean power cables located in the battery box.

All vehicles have a 30 Amp fuse located in the clean power cables located in the battery box.

All vehicles equipped with an Eaton transmission have a 30 Amp fuse located in the clean power cables located in the battery box.

All Hydraulic brake equipped vehicles have a 40 Amp fuse located in the clean power cables located in the battery box and in addition another 30 Amp fuse located in a fuse holder just above the power distribution center located in the vehicles engine compartment.