Page 128 of 208

Fuse/Relay
LocationFuse Amp
RatingDescription
8 30A Radio Capacitor(s), Ignition Coil, PCM
Diode, PCM Power Relay, Fuel Heater,
Glow Plug Relay (Diesel Only)
9 30A Wiper Control Module, Windshield Wiper
Motor
10 20A Main Light Switch, (External Lamps)
Multi-Function Switch (Flash-to-pass)
11 15A Brake Pressure Switch, Multi-Function
Switch (Hazards), RABS, Brake Pedal
Position Switch
12 15A Transmission Range (TR) Sensor, Auxiliary
Battery Relay
13 15A Blend Door Actuator, Function Selector
Switch
14 5A Instrument Cluster (Air Bag and Charge
Indicator)
15 5A Trailer Battery Charge Relay
16 30A Power Seats
17 Ð Not Used
18 Ð Not Used
19 10A Air Bag Diagnostic Monitor
20 5A Overdrive Cancel Switch
21 30A Power Windows*
22 15A Memory Power Radio
23 20A Cigar Lighter, Data Link Connector (DLC)
24 5A Illuminated Entry Module
25 10A Left Headlamp (Low Beam)
26 Ð Not Used
27 5A Radio
28 25A Power Plug
29 Ð Not Used
30 15A Headlamps (High Beam Indicator), DRL10A
Roadside emergencies
128
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The high-current fuses are coded as follows.
Fuse/Relay
LocationFuse Amp
RatingDescription
1 Ð Not Used
2 Ð Not Used
3 Ð Not Used
4 10A PCM Keep Alive Memory, Instrument
Cluster
5 10A Right Trailer Turn Signal
6 10A Left Trailer Turn Signal
7 Ð Not Used
8 60A I/P Fuses 5, 11, 23, 38, 4, 10, 16, 22, 28
9 30A PCM Power Relay, Engine Compartment
Fuse 4
10 60A Auxiliary Battery Relay, Engine
Compartment Fuses 14, 22
11 30A IDM Relay
12 60A Engine Compartment Fuses 26, 27
13 50A Blower Motor Relay (Blower Motor)
AB3
2
146 5715 14 13 12 11 10 9 823 22 21 20 19 18 17 1624 26 25 27
29
CDG F EK J H
28
Roadside emergencies
130
Page 131 of 208
Fuse/Relay
LocationFuse Amp
RatingDescription
14 30A Trailer Running Lamps Relay, Trailer
Backup Lamps Relay
15 40A Main Light Switch
16 50A RKE Module, Auxiliary Blower Motor Relay
17 30A Fuel Pump Relay, IDM (Diesel)
18 60A I/P Fuses 40, 41
19 60A 4WABS Module
20 20A Electric Brake Controller
21 50A Modified Vehicle Power
22 40A Trailer Battery Charge Relay (Modified
Vehicles Only)
23 60A Ignition Switch
24 Ð Not Used
25 20A NGV Module
26 10A Generator/Voltage Regulator (Diesel Only)
27 15A DRL Module, Horn Relay
28 Ð PCM Diode
29 Ð Not Used
A Ð Not Used
B Ð Not Used
C Ð Trailer Backup Lamps Relay
D Ð Trailer Running Lamps Relay
E Ð Trailer Running Lamps Relay
F Ð IDM Relay
G Ð PCM Relay
H Ð Blower Motor Relay
J Ð Horn Relay
K Ð Fuel Pump Relay, IDM Relay (Diesel)
Relays
Relays are located in the power distribution box and should be replaced
by qualified technicians.
Roadside emergencies
131
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If the battery has been disconnected or a new battery has been installed,
the clock and the preset radio stations must be reset once the battery is
reconnected.
²Always dispose of automotive
batteries in a responsible manner.
Follow your local authorized
standards for disposal. Call your
local authorized recycling center
to find out more about recycling
automotive batteries.
Disconnecting dual batteries (if equipped)
The primary battery is located under the hood.
The auxiliary battery is located on the passenger side frame rail.
LEAD
RETURN
RECYCLE
Maintenance and care
161
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Gasoline engines
Disconnect:
1. Disconnect the primary battery
ground cable.
2. Disconnect the auxiliary battery
frame ground.
²Remove the ground bolt.
²Pull the cable away from the
frame and make sure that the
cable does not contact the frame.
Connect:
1. Reconnect the auxiliary battery
frame ground.
Maintenance and care
162
Page 188 of 208

MOTORCRAFT PART NUMBERS
Com-
ponent*4.2L V6
engine4.6L V8
engine5.4L V8
engine6.8L V10
engine
Air filter FA-1634 FA-1634 FA-1634 FA-1634
Battery
(standard)BXT-65-650 BXT-65-650 BXT-65-650 BXT-65-650
Battery
(optional)BXT-65-750 BXT-65-750 BXT-65-750 BXT-65-750
Battery
(auxiliary)BH-65DC BH-65DC BH-65DC BH-65DC
Fuel filter FG-872 FG-872 FG-872 FG-872
Oil filter FL-400-S FL-820-S FL-820-S FL-820-S
PCV valve EV-152 EV-233 EV-233 EV-233
Spark
plugs**AGSF-
34EE***AWSF-
32PP****AWSF-22E AWSF-22E
*Refer to the7.3 Liter Power Stroke Direct Injection Turbo Diesel
Owner's Guide Supplementfor Motorcraft diesel engine service part
numbers.
**Refer to Vehicle Emissions Control Information (VECI) decal for spark
plug gap information.
***If a spark plug is removed for inspection, it must be reinstalled in the
same cylinder. Cylinders No. 1, 2 and 3 have a ªEGº suffix. Cylinders No.
4, 5 and 6 have a ªEº suffix. If a spark plug needs to be replaced, use
only spark plugs with the service part number suffix letter ªEEº as
shown on the engine decal.
**** If a spark plug is removed for inspection, it must be reinstalled in
the same cylinder. Cylinders No. 1, 2, 3 and 4 have a ªPGº suffix.
Cylinders No. 5, 6, 7 and 8 have a ªPº suffix. If a spark plug needs to be
replaced, use only spark plugs with the service part number suffix letter
as shown on the engine decal.
Capacities and specifications
188