2009 FORD E450 relay

If your vehicle is equipped with an auxiliary battery,
disconnecting the primary under-hood battery DOES NOT remove
power from all circuits.
If the battery has been disconnected and reconnected, refer to the
Batterysection of theMaintenance and Specificationschapter.
The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
1 HC Micro Relay Powertrain Control Module (PCM)
2 HC Micro Relay Starter solenoid
3 HC Micro Relay Wiper
4 HC Micro Relay Trailer tow battery charge
5 HC Micro Relay Fuel pump
6 HC Micro Relay Trailer tow park lamp
7 HC Micro Relay Upfitter #4
8 HC Micro Relay Upfitter #3
9 HC Micro Relay Modified vehicle and stripped
chassis run/start
10 HC ISO IDM relay (Diesel engine only)
11 — Not used
12 40A** Modified vehicle and stripped
chassis run/start
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
13 30A** Starter solenoid relay
14 40A** Run start relay
15 40A** Modified vehicle and stripped
chassis battery
16 50A** Auxiliary A/C blower
17 50A** Auxiliary battery feed, Trailer tow
battery charge, trailer tow park
feed
18 30A** Electric trailer brake, Trailer
brake controller
19 30A** Upfitter #1
20 30A** Upfitter #2
21 50A** IDM relay (diesel engine only)
22 — Not used
23 G8VA relay A/C clutch
24 G8VA relay Horn relay (Stripped chassis)
25 HC Micro relay Run/start
26 — Not used
27 — Not used
28 20A* Back up lamp
29 10A* A/C clutch
30 10A* BOO switch
31 10A* Cluster battery (stripped chassis
only), IDM coil (diesel engine
only)
32 50A** Blower motor
33 40A** ABS pump
34 20A** Stripped chassis horn
35 40A** PCM relay
36 20A** Ignition switch (Stripped chassis
only)
37 G8VA relay Trailer tow stop/LH turn signal
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
38 G8VA relay Trailer tow stop/RH turn signal
39 G8VA relay Back up lamp
40 ISO relay Blower motor
41 10A* Charging (diesel engine only)
42 15A* Diagnostic connector (stripped
chassis)
43 20A* Fuel pump
44 10A* Upfitter #3
45 15A* Upfitter #4
46 10A* PCM keep alive power, Canister
vent, PCM relay coil
47 40A** ABS coil
48 20A** Trailer tow stop lamp/turn signal
49 30A** Wiper motor
50 — Not used
51 20A** Cutaway
52 10A* Stripped chassis and modified
vehicle run/start relay coil
53 10A* ABS run/start feed
54 10A* Fuel pump relay coil (gas engine
only)
55 10A* ECM (diesel engine only)
56 20A* DFCM (diesel engine only)
57 20A* Trailer tow park lamp
58 15A* Trailer tow backup lamp
59 — Not used
60 — One Touch Integrated Start
(OTIS) (diode)
61 — Auxiliary battery (diode)
62 HC Micro relay Upfitter #2
63 30A** Trailer tow battery charge
64 — Not used
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Fuse/Relay
LocationFuse Amp
RatingProtected Circuits
65 20A** Power point 2 (glove box)
66 20A** Power point 3 (left-hand B-pillar)
67 20A** Power point 1 (instrument panel)
68 50A** Modified vehicle
69 — Not used
70 30A** Stripped chassis
71 — Not used
72 20A** Cigar lighter
73 — Not used
74 30A** Power seat
75 20A* VPWR 1, PCM power
76 20A* VPWR 2, PCM mil
77 10A* VPWR 3, PCM non mil
78 15A* VPWR 4 (gas engine only),
Ignition coil (diesel engine only),
Fuel pump relay coil
79 10A* VPWR 5, Transmission
80 10A* Cluster run/start (stripped chassis
only)
81 15A* IDM logic (diesel engine only)
82 — Not used
83 — Fuel pump (diode)
84 — Not used
85 HC Micro relay Upfitter #1
* Mini fuses ** A1S fuses
CHANGING THE TIRES
If you get a flat tire while driving, do not apply the brake heavily.
Instead, gradually decrease your speed. Hold the steering wheel firmly
and slowly move to a safe place on the side of the road.
Note:The tire pressure monitoring system (TPMS) indicator light will
illuminate when the spare tire is in use. To restore the full functionality
of the monitoring system, all road wheels equipped with tire pressure
monitoring sensors must be mounted on the vehicle.
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Auxiliary battery (if equipped)
Your vehicle may be equipped with a frame-mounted auxiliary battery
located on the passenger side frame rail, behind the front passenger
door. This auxiliary battery is connected to the auxiliary battery relay, so
it is not used to start the vehicle.
Battery relearn
Because your vehicle’s engine is electronically controlled by a computer,
some control conditions are maintained by power from the battery. When
the battery is disconnected or a new battery is installed, the engine must
relearn its idle and fuel trim strategy for optimum driveability and
performance. Flexible fuel vehicles (FFV) must also relearn the ethanol
content of the fuel for optimum driveability and performance. To begin
this process:
1. With the vehicle at a complete stop, set the parking brake.
2. Put the gearshift in P (Park), turn off all accessories and start the
engine.
3. Run the engine until it reaches normal operating temperature.
4. Allow the engine to idle for at least one minute.
5. Turn the A/C on and allow the engine to idle for at least one minute.
6. Release the parking brake. With your foot on the brake pedal and with
the A/C on, put the vehicle in D (Drive) and allow the engine to idle for
at least one minute.
7. Drive the vehicle to complete the relearning process.
•The vehicle may need to be driven 10 miles (16 km) or more to
relearn the idle and fuel trim strategy along with the ethanol content
for flexible fuel vehicles.
•If you do not allow the engine to relearn its idle trim, the idle quality
of your vehicle may be adversely affected until the idle trim is
eventually relearned.
•For flexible fuel vehicles, if you are operating on E85, you may
experience poor starts or an inability to start the engine and
driveability problems until the fuel trim and ethanol content have been
relearned.
If the battery has been disconnected or a new battery has been installed,
the clock and radio settings must be reset once the battery is
reconnected.
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K
Keyless entry system
autolock .....................................80
Keys .............................................90
positions of the ignition .........193
L
Lamps
bulb replacement
specifications chart ..................53
daytime running light ...............47
headlamps .................................47
headlamps, flash to pass ..........48
instrument panel, dimming .....48
interior lamps ...........................51
replacing bulbs .........................54
LATCH anchors .........................128
Lights, warning and indicator ....14
anti-lock brakes (ABS) ..........199
Load limits .................................170
Loading instructions .................176
Locks
autolock .....................................80
doors ..........................................80
Lubricant specifications ...........305
Lug nuts ....................................244
Lumbar support, seats ...............94
M
Message center ...........................71
warning messages .....................76
Mirrors ...................................65–66
automatic dimming rearview
mirror ........................................65
fold away ...................................67
side view mirrors (power) .......66Motorcraft parts ................267, 304
N
Navigation system .......................43
O
Octane rating ............................288
Oil (see Engine oil) ..................271
P
Parking brake ............................199
Parts (see Motorcraft parts) ....304
Power distribution box
(see Fuses) ...............................231
Power door locks ........................80
Power mirrors .............................66
Power point .................................63
Power steering ..........................206
fluid, checking and adding ....296
fluid, refill capacity ................305
fluid, specifications .................305
Power Windows ...........................64
Preparing to drive your
vehicle ........................................207
R
Radio ................................22, 24, 29
Recommendations for
attaching safety restraints for
children ......................................122
Relays ........................................228
Remote entry system .................84
illuminated entry ......................88
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Index
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