1997 FORD F150 ignition

Position Amps Description
9 - Not used
10 - Not used
11 30 Wiper system
12 5 On-board diagnostic (OBD II) data link
connector
13 15 Brake ON/OFF switch, rear anti-lock brake
module and brake pressure switch
14 15 Interior lamps and accessory delay relay
15 5 GEM module/CTM module
16 20 High beam headlamps
17 - Not used
18 5 Instrument illumination
19 10 Air bag diagnostic monitor, instrument cluster
20 5 GEM module/CTM module and powertrain
control module (PCM)
21 15 Starter relay
22 10 Air bag diagnostic monitor and passenger air
bag deactivate switch
23 10 4WD clutch relay, electronic flasher, 4WD/2WD
vacuum solenoids and trailer tow battery charge
relay
24 10 I/P blower relay
25 5 4WABS module and relay
26 10 Right low beam headlamp and DRL module
27 5 Foglamp relay
28 10 Left low beam headlamp
29 5 Autolamp, instrument cluster, transmission
control indicator lamp and switch
30 30 Ignition coils and PCM relay
31 - Not used
Roadside emergencies
138

Fuses
Position Amps Description
7 15 Parking and tail lamps
8 30 Headlamps
9 15 Daytime running lamps and fog lamps
10 25 Auxiliary power point
11 - Not used
12 - Not used
13 - Not used
14 60/20 4WABS/rear anti-lock brake
15 50 Air suspension compressor
16 40 Trailer tow battery charge and stop/turn lamps
17 30 4WD transfer case shift motor and clutch
18 30 Driver power seat
19 20 Fuel pump
20 50 Instrument panel fuse panel ignition switch feed
21 50 Instrument panel fuse panel ignition switch feed
22 50 I/P fuse panel battery feed
23 40 I/P blower
24 30 PCM power
25 30 Power windows
26 - Not used
27 - Not used
28 30 Trailer tow electronic brake
29 - Not used
Diodes
Position Description
1 Rear ABS diode
2 PCM diode
Roadside emergencies
140

WHAT YOU SHOULD KNOW
ABOUT THE EMISSION
CONTROL SYSTEM
Your vehicle is equipped with a
catalytic convertor which enables
your vehicle to comply with
applicable exhaust emission
requirements. For more
information on your vehicle's
emission control system, see the
Vehicle Emission Control
Information decal located on the
left side of the engine
compartment.
Follow these guidelines to ensure
proper emission system operation:
²Use only unleaded fuel.
²Avoid running out of fuel.
²Do not turn off the ignition
while the vehicle is in motion.
²Have regular maintenance
checks performed according to
the intervals in the ªService
Guide.º
When servicing your vehicle, never
use a metal exhaust collector. A
metal collector may melt or deform
plastic parts.
Maintenance and care
194

ENGINE DATA
General
SpecificationsEngine
OHV 4.2L V-6 SOHC 4.6L V8 SOHC 5.4L V8
Displacement4.2 L (256.2
CID)4.6 L (280.6
CID)5.4 L (329.4
CID)
Bore x stroke96.8 mm x 95.0
mm90.2 mm x 90
mm90.2 mm x
105.8 mm
Horsepower205 @ 4750
RPM210 @ 4400
RPMN/A*
Torque260 ft. lb. @
3000 RPM290 ft. lb. @
3250 RPMN/A*
Required fuel
gradeUnleaded - 87
octaneUnleaded - 87
octaneUnleaded - 87
octane
Induction
systemSplit port, OHV Tuned runner
and plenumTuned runner
and plenum
Firing order 1-4-2-5-3-6 1-3-7-2-6-5-4-8 1-3-7-2-6-5-4-8
Spark plug gap.137 cm (.054
in).137 cm (.054
in).137 cm (.054
in)
Ignition system E.I. E.I. Coil on plug
Compression
ratio9.2:1 9.0:1 9.0:1
*Not available at time of printing.
f12_engine_data
f12_vehicle_dimensions
Capacities and specifications
217