ignition FORD FESTIVA 1991 User Guide

3. Position Steering Wheel Remover (T67L-3600-A) on steering wheel. Tighten bolt on remover until steering wheel is loose. Remove
steering wheel puller, steering wheel retaining bolt, and steering wheel.
Installation
1. Ensure front wheels are in straight-ahead position. Route clockspring wiring harness through steering wheel opening. Position steering
wheel on steering shaft and align reference marks.
2. Ensure clockspring wire is not pinched when positioning steering wheel. Install new steering wheel retaining bolt and tighten to
specification. See TORQUE SPECIFICATIONS table at end of article. Connect horn and speed control wiring connectors (if equipped)
to steering wheel.
3. Connect air bag module-to-clockspring connector. Install air bag module. Tighten air bag module retaining nuts to specification.
Activate SRS. See SAFETY PRECAUTIONS. Check AIR BAG light to ensure system is functioning properly.
Removal (Festiva)
From back of steering wheel, remove 2 screws securing horn pad. Disconnect horn wire from horn pad and remove pad. Remove steering
wheel nut. Scribe reference mark on steering shaft and steering wheel hub for reassembly. Using Steering Wheel Puller (T67L-3600-A),
remove steering wheel.
Installation
Position steering wheel on steering shaft and align reference marks. Be sure cutouts in rear cover engage turn signal canceling cam. To
complete installation, reverse removal procedure.
COMBINATION SW ITCH
Removal (Capri)
1. Disconnect negative battery cable. Remove lower steering column cover. Remove center access panel and trim cover under steering
column. Remove left side defroster connector tube. Remove steering column upper retaining bolts. Column will pivot downward and
rest on instrument panel brace.
2. Remove 2 switch retaining screws and remove switch. Grasp switch and lever and pull lever out of switch. Disconnect switch electrical
connectors and remove switch.
Installation
Align key with slot and install lever in switch assembly. Position switch on steering column and install retaining screws. To complete
installation, reverse removal procedure.
Removal (Festiva)
1. Disconnect negative battery cable. Remove steering wheel. See STEERING WHEEL & HORN PAD under REMOVAL &
INSTALLATION. Remove 4 screws from upper half of lower steering column cover and remove cover. Remove upper steering column
cover. Remove 5 clips from lower half of lower steering column cover and remove cover.
2. Release wiring harness clip and unplug 4 harness connectors from back of combination switch. From below steering column, loosen
band clamp securing switch hub to steering column jacket. Pull switch assembly from steering column.
Installation
Slide combination switch assembly onto steering column. Make sure switch assembly is seated and level against end of column jacket. To
complete installation, reverse removal procedure.
HEADLIGHT SWITCH
Removal & Installation (Capri)
1. Headlight off/on switch is located on left side of instrument panel bezel. Disconnect negative battery cable. Pull out center storage
compartment. Remove 2 upper screws, 2 lower screws and heater/radio bezel. Pull outward and remove trim covers located on both
sides of steering column.
2. Remove retaining screws and carefully pull instrument panel bezel partially away from dash. Disconnect electrical connector from
headlight switch. Depress tangs on both sides of switch and remove switch from bezel. To install, reverse removal procedure.
IGNITION SWITCH & LOCK CYLINDER
Removal (Capri)
1. Disconnect negative battery cable. Remove lower steering column cover. Remove center access panel and trim cover under steering
column. Remove left side defroster connector tube. Remove steering column upper retaining bolts. Column will pivot downward and
rest on instrument panel brace. steering colum n.
CAUT ION: Rem ove steering wheel carefully to avoid dam aging clockspring wiring, air bag m odule connector, or
accidentally turning clockspring. After steering wheel rem oval, tape clockspring in position to prevent
dam age and keep it from being turned accidentally.
CAUTION: Ensure that no wiring is pinched beneath steering colum n when lowered.
Page 4 of 5 MITCHELL 1 ARTICLE - STEERING COLUMN SWITCHES 1991 ACCESSORIES & SAFETY EQUIPMENT Ford Motor C
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2. With ignition key inserted in lock assembly, rotate tumbler while pushing release pin with a .125" (3.17 mm) drift punch. Pull tumbler
assembly out of housing. Remove upper column cover. Remove column lock shield. Disconnect ignition switch electrical connector.
Remove switch retaining screws and remove switch.
Installation
Position ignition switch on column lock assembly. Make sure actuator pin of lock assembly fits into slot in ignition switch. To complete
installation, reverse removal procedure.
Removal & Installation (Festiva)
1. Disconnect negative battery cable. Remove 4 screws from upper half of lower steering column cover and remove cover. Remove upper
steering column cover. Remove 5 clips from lower half of lower steering column cover and remove cover.
2. Remove 4 steering column shield nuts and remove shield. Remove 2 shield bracket bolts and remove bracket. Remove air discharge duct
from below steering column. Remove steering column attaching nuts then lower steering column mounting bracket.
3. Remove tie strap securing key warning buzzer switch wires. Remove ignition switch attaching screw. Pull switch loose from switch
housing. Remove switch harness from routing clip and disconnect electrical connectors. Remove switch. To install, reverse removal
procedure.
TURN SIGNAL SWITCH
See COMBINATION SWITCH under REMOVAL & INSTALLATION.
WIPER SWITCH
Removal & Installation (Capri)
Remove center trim panel and lower steering column cover. Disconnect wiper switch electrical connector and pull wiring from routing clip.
Firmly grasp switch and lever and pull out to remove. To install, reverse removal procedure.
Removal & installation (Festiva)
See COMBINATION SWITCH under REMOVAL & INSTALLATION.
TORQUE SPECIFICATIONS
TORQUE SPECIFICATIONS CAUTION: Ensure that no wiring is pinched beneath steering colum n when it is lowered.
ApplicationFt. Lbs. (N.m)
Capri
Column Lock Shield Screw & Nut11-14 (15-19)
Ignition Lock Housing Bolt12-13 (16-18)
Steering Wheel Bolt23-33 (31-45)
Upper Column Retaining Bolts17-23 (23-31)
Festiva
Steering Wheel Nut29-36 (39-49)
Upper Column Retaining Bolts23-34 (31-46)
INCH Lbs. (N.m)
Capri
Ign it io n Swit ch Screw50-70 (5.6-7.9)
Capri & Festiva
Air Bag Module-To-Steering Wheel Nuts35-53 (4-6)
Copyr ight 2009 Mitchell Repair Information Company, LLC. All Rights Reserved.
Article GUID: A00028303
Page 5 of 5 MITCHELL 1 ARTICLE - STEERING COLUMN SWITCHES 1991 ACCESSORIES & SAFETY EQUIPMENT Ford Motor C
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WIPER/WASHER SYST EM
1991 ACCESSORIES & SAFET Y EQUIPMENT Ford Motor Co. Wiper/Washer System s
DESCRIPTION & OPERATION
Capri and Festiva vehicles are equipped with a 2-speed wiper motor with an optional intermittent system. The Festiva rear wiper uses a single
speed wiper motor. Washer systems for both front and rear washers use pumps mounted near fluid reservoirs.
ADJUSTMENTS
W IPER ARM ADJUSTMENT
Remove wiper arm and blade assemblies from pivot shafts. Turn wiper switch on and allow wiper motor to cycle 2 to 3 times. Turn wiper
switch off to place pivot shafts in park position. Reinstall wiper arm and blade assemblies with tips of wiper blades at specified distance from
lower edge of windshield. See WIPER BLADE ADJUSTMENT SPECIFICATIONS
table. Tighten wiper arm retaining nut to 89-124
INCH Lbs. (10-14 N.m).
WIPER BLADE ADJUSTMENT SPECIFICATIONS
TESTING
FRONT WIPER MOTOR TEST
Capri
1. Check WIPER fuse in interior fuse block and replace if necessary. Perform FRONT INTERVAL WIPE MODULE TEST . If
wiper/washer switch and interval module are operating properly, disconnect wiper motor connector. Turn ignition on and place
wiper/washer switch in HIGH position. Measure voltage at Blue/Red and Blue wires at wiper motor vehicle harness connector.
2. If battery voltage is not present, check Blue/Red or Blue wire for open circuit. If battery voltage is present at Blue/Red and Blue wires,
check Black ground wire at wiper motor vehicle harness connector for an open circuit and repair as necessary. If Black ground wire is
okay, replace wiper motor.
Festiva
1. Place wiper in any position other than park. Remove WIPER fuse. Disconnect wiper motor electrical connector. Using an ohmmeter,
check for continuity to ground at motor case. Continuity should exist. If continuity does not exist, replace or repair wiper motor ground
strap or wire.
2. Check for continuity to ground at Blue/Black terminal of wiper motor. Continuity should exist. If continuity does not exist, replace
wiper motor.
FRONT INTERVAL WIPE MODULE TEST
Capri
1. Check WIPER fuse in interior fuse block and replace if necessary. Perform FRONT WIPER/WASHER SWITCH TEST . Access
interval wipe module connector. Interval wipe module is located below instrument panel near console. Ensure wiper switch is in OFF
position. Turn ignition on and measure voltage at Blue/White and Blue/Black wires of module connector. Battery voltage should not be
present. Turn wiper switch to LOW position. Measure voltage at Blue/White and Blue/Black wires of module connector. Battery voltage
should be present.
2. Turn wiper switch to HIGH position. Measure voltage at Blue/White, Blue/Black and Blue/Red wires of module connector. Battery
voltage should be present. Turn wiper switch to INT position. Measure voltage at Blue/White and Blue/Black wires of module
connector. Battery voltage should be present during each cycle. If module does not perform as specified, replace module.
Festiva
Information is not available from manufacturer.
FRONT WIPER/WASHER SWITCH TEST
Capri
Remove lower steering column cover to gain access to wiper switch electrical connector. Using an ohmmeter, ensure continuity exists between
terminals listed in table at specified switch positions. If switch does not test as specified, replace wiper/washer switch. See FRONT
WIPER/WASHER SWITCH CONTINUITY (CAPRI) table. See Fig. 1 .
FRONT WIPER/WASHER SWITCH CONTINUITY (CAPRI)
ApplicationIn. (mm)
Capri
Driver Side1.0 (25)
Passenger Side1.26 (32)
Festiva
Both Sides1.0 (25)
Rear(1) 3.15 (80)
(1)From left edge of liftgate window.
TerminalPositionContinuity
Page 1 of 5 MITCHELL 1 ARTICLE - WIPER/WASHER SYSTEM 1991 ACCESSORIES & SAFETY EQUIPMENT Ford Motor Co. Wip
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Fig. 2: Moving Quadrant on Drum Brake Adjuster (Festiva)

Courtesy of FORD MOTOR CO.
FRONT AXLE BEARINGS
Front bearing preload is adjusted during bearing replacement by changing preload spacer. See FRONT WHEEL BEARINGS under
REMOVAL & INSTALLATION.
REAR AXLE BEARINGS
With bearings installed, tighten NEW lock nut to 18-22 ft. lbs. (24-30 N.m) while rotating wheel. Slightly loosen lock nut so it can be turned
by hand. Install a lug nut into axle hub. Attach an inch-pound torque wrench to lug nut at 12 o'clock position. Measure bearing preload.
Tighten lock nut until bearing preload, including seal drag, is 3.5-6.2 INCH lbs. (.4-.7 N.m). Stake NEW lock nut into notch on spindle.
TESTING
POWER BRAKE UNIT
Functional Test
1. Check master cylinder fluid level and hydraulic system for leaks. Place transaxle in Neutral or Park, turn ignition off and apply parking
brake. Pump brake pedal several times to eliminate vacuum from system, and hold pedal in depressed position.
2. Start and idle engine. If vacuum system is functioning properly, pedal moves downward under constant foot pressure. If no pedal motion
is felt, vacuum booster is not functioning properly. Go to next step.
3. Run engine for at least one minute and turn ignition off. Depress brake pedal several times. Booster is okay if pedal stroke is long at first
and becomes shorter with each stroke. If stroke does not shorten, check for a damaged, restricted or improperly connected check va l ve
vacuum hose. Repair and recheck. Go to next step.
4. Restart engine. Depress and hold pedal down. Turn ignition off and wait 30 seconds. Booster is okay if pedal height remains unchanged.
If pedal height changes, check for a damaged, restricted or improperly connected check valve or vacuum hose. Go to next step.
5. Connect a pressure gauge to master cylinder output line. Connect a vacuum gauge to booster and a pedal depression force gauge to
brake pedal. Bleed air from pressure gauge. Start engine. When vacuum gauge reads 19.7 in. Hg, turn ignition off. Watch vacuum ga u ge
for 15 seconds. Booster is okay if vacuum gauge reads 18.7-19.7 in. Hg. If vacuum gauge reads less than 18.7 in. Hg, proceed to next
step.
6. Restart engine. Apply and hold 44 lbs. (196 N) force to brake pedal. When vacuum gauge reading reaches 19.7 in. Hg, turn ignition off.
Watch vacuum gauge for 15 seconds. Booster is okay if vacuum gauge reads 18.7-19.7 in. Hg. If vacuum gauge reads less than 18.7 in.
Hg, proceed to next step.
7. With engine stopped and vacuum gauge at zero, check pressure gauge. Apply 44 lbs. (196 N) force to brake pedal and check pressure
gauge. Booster is okay if pressure gauge reads 256 psi (18 kg/cm
2 ).
8. Remove pedal force and start engine. When vacuum gauge reaches 19.7 in. Hg, apply 44 lbs. (196 N) force to pedal. Booster is okay if
pressure gauge read 768 psi (54 kg/cm
2 ).
Diagnosis
If booster does not function properly, see Fig. 3 .
NOTE:Axle lock nut on right side has left-hand threads. Always install NEW lock nut when rem oved.
NOTE:Inspect all vacuum hoses for holes, collapsed areas and secure connections. Ensure all unused
vacuum ports are capped.
Page 3 of 12 MITCHELL 1 ARTICLE - BRAKE SYSTEM 1991-92 BRAKES Disc & Drum
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Fig. 2: Identifying Alternator Test Terminals

Courtesy of FORD MOTOR CO.
1. Turn ignition switch to OFF position. Connect positive voltmeter lead wire to alternator "B" terminal and negative wire to ground. See
Fig. 2
. Ensure voltmeter indicates battery voltage. If voltmeter indicates zero volts, an open circuit exists in wire between "B" terminal
and battery positive terminal.
2. Remove voltmeter. Disconnect negative battery cable. Remove output lead from alternator terminal "B". Connect a 100-amp ammeter in
series between "B" terminal and disconnected output lead. Connect positive lead of ammeter to "B" terminal and negative lead to
disconnected output wire.
3. Connect voltmeter in parallel between alternator "B" terminal and battery positive terminal. Connect positive lead wire of voltmeter to
"B" terminal and negative lead wire to positive terminal of battery. Reconnect negative battery cable.
4. Install tachometer (if necessary) to monitor engine RPM. Start engine. Turn all lights and accessories on and depress brake pedal to load
system. Increase engine speed to 2500-3000 RPM. Ensure alternator output is at least 35 amps.
5. Observe voltmeter reading. If voltmeter indicates .2 volt and amperage output is at least 35 amps, system is okay. If voltage drop is
greater than .2 volt, wiring is defective between alternator "B" terminal and battery positive terminal.
6. Allow engine to idle. Turn off all accessories to remove load from system. Disconnect voltmeter. Connect negative lead of voltmeter to
ground. Using positive lead of voltmeter, backprobe "S" terminal connector at rear of alternator. See Fig. 2
.
7. Increase engine speed to 2500-3000 RPM. With no load on system, ammeter should read 5 amps or more. Battery voltage with no load
at indicated speed should be 14.1-14.7 volts. If amperage output is less than indicated with or without load and no external faults exist
in alternator circuit, overhaul or replace alternator.
BENCH TESTING
Rotor
Check continuity across rotor slip rings. If no continuity exists, replace rotor. Check continuity between individual slip rings and rotor
core/shaft. If continuity exists, rotor coil or slip ring is grounded. Replace rotor.
Stator
Ensure no continuity exists between stator coil leads and stator core. Check continuity between leads of stator coil. If continuity does not
exist, replace stator.
Brushes
Inspect brushes. Replace brushes if worn to wear line (leading edge of small square cast into brush). Use a spring pressure gauge to push each
NEW brush into its holder until .079" (2 mm) projects from holder. Spring force should be 10.6-15.6 oz. (.3-.4 kg). If spring force is not
within specification, replace brush spring.
Rectifier
1. Using an ohmmeter, check for continuity between positive side of diode leads and heat sink. If no continuity exists from any positive
diode lead to heat sink, replace rectifier assembly.
2. Reverse ohmmeter leads, and check for continuity between negative side of diodes and heat sink. If continuity exists from any n e ga t ive
diode lead to heat sink, replace rectifier assembly.
3. Check diode trio (smaller diodes between main diode leads) for continuity in both directions. Continuity should exist in one direction
only. If any diode shows continuity in both directions or does not show continuity in either direction, replace diode trio.
Page 2 of 3 MITCHELL 1 ARTICLE - ALTERNATOR & REGULATOR 1991 ELECTRICAL Alternators & Regulators
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SOLENOIDS & SOLENOID VALVES
SOLENOIDS & SOLENOID VALVES LOCATION
SWITCHES
SWITCHES LOCATION
MISCELLANEOUS
MISCELLANEOUS LOCATION
COMPONENT LOCATION GRAPHICS

Fig. 1: Component Locations (1 Of 3)

FrontOn left rear corner of engine
bay, on firewall. See Fig. 1
.
RearIn liftgate, behind trim panel.
ComponentLocation
Canister Purge SolenoidOn center of firewall, to right of wiper motor. See Fig. 1 .
Idle-Up Speed Control (ISC) SolenoidOn left rear of engine, left of injector No. 4.
Kickdown Solenoid Valve (A/T)On lower right front corner of transaxle. See Fig. 1 .
ComponentLocation
A/C Pressure SwitchOn A/C line, near right front strut tower. See Fig. 1 .
A/C Thermostatic Switch (1992)On bottom of evaporator housing, below glove box.
Back-Up Light SwitchMounted on transaxle. See Fig. 1 .
Brake Fluid Level SwitchOn brake fluid reservoir.
Brake On-Off Switch (1992)On bracket, above brake pedal.
Clutch Interlock SwitchOn bracket, above clutch pedal.
Cooling Fan SwitchIn thermostat housing. See Fig. 1 .
Inertia SwitchIn left rear quarter panel.
Kickdown Switch (A/T)Mounted on accelerator pedal.
Neutral Safety SwitchOn right rear side of transaxle.
Oil Pressure SwitchOn rear center of engine block.
Parking Brake SwitchOn base of parking brake lever.
Passive Restraint Limit SwitchAt top of left & right "A" pillar.
Power Steering Pressure SwitchMounted on power steering pump assembly.
Seat Belt Switch (1991)On driver's seat belt buckle.
Stoplight SwitchOn brake pedal lever.
Wide Open Throttle A/C Cut-Off (WAC) Switch (1991)On left corner of engine bay, left of cooling fan.
ComponentLocation
Blower ResistorNear blower motor.
RPM Test ConnectorOn left rear of engine bay, next to ignition module. See Fig. 1 .
NOTE:Figures m ay show m ultiple com ponent locations. Refer to appropriate table for proper figure
references.
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FUSES & CIRCUIT BREAKERS
Fuses & Circuit Breakers 1988-93 Festiva
FUSES & FUSIBLE LINKS
FUSE PANEL & FUSIBLE LINK BLOCK LOCATIONS
The vehicle has a fuse block with fusible links and a fuse panel with circuit fuses. The fuse panel is located behind the instrument panel, left o
f
the steering column. The fuse block is located under the hood.
FUSE PANEL IDENTIFICATION

Fig. 1: Fuse Panel Identification

Courtesy of FORD MOTOR CO.
Fuse & Circuit Breaker Identification
1 - 15 Amp License Plate Light, Rear Side Marker Ligh t , Fr o n t P a r kin g Ligh t s, C l u st e r a n d Ta il Ligh t s
2 - 15 Amp Horn, Brakelights, High-Mount Brakelight
3 - 15 Amp (1988-89) Safety Belt Warning, Turn & Hazard Warning Flasher Lights, Radio, Trunk Light, Ignition Key Reminder Buzzer
3 - 15 Amp (1990-93) Safety Belt Warning, Turn & Hazard Warning Flasher Lights, Ignition Key Reminder Buzzer
4 - 15 Amp Audio System, Cigarette Lighter, Remote Control Mirror
5 - 15 Amp Rear Wiper/Washer, Daytime Running Light System (Canada)
6 - 15 Amp Heater & Air Conditioner
7 - 20 Amp Heater & Air Conditioner, Cooling Fan System
8 - 10 Amp (1988-89) Interior Courtesy Lights 10 Amp (1990-93) Radio, Interior Courtesy Lights, Luggage Compartment Light
9 - 15 Amp (1988-89) Front Wiper/Washer
9 - 15 Amp (1990-93) Front Wiper/Washer, Shift-Lock System (ATX), Engine Control System
10 - 10 Amp Charging System, Emission Control System
11 - 10 Amp (1988-90) Safety Belt Warning, Turn & Hazard Warning Flasher Lights, Back-Up Lights, Instrument Cluster, Warning
Lights,
11 - 10 Amp (1991-93) Safety Belt Warning, Turn & Hazard Warning Flasher Lights, Back-Up Lights, Instrument Cluster, Warning
Lights, Shift-Lock System
12 - 15 Amp Rear Window Defroster
13 - Not Used (1988-89) Spare
13 - 30 Amp (1990-93) Passive Restraint System (Automatic Seat Belt)
In-Line Fuse Identification
15 Amp (1990-93) Condenser Fan Motor (A/T Models Only)
10 Amp (1990-93) A/C System (located on left side of heater case)
FUSIBLE LINK BLOCK IDENTIFICATION
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Fig. 2: Underhood Fusible Link Block Identification

Courtesy of FORD MOTOR CO.
Fusible Link Identification
A - Brown (PTC) (1988-89 Carburetor) EFE Carburetor Heater
A - Brown (EGI) (1989-93 EFI) EFI System (1989-92), EGI-EFI System (1993)
B - Red (Main) Back-Up, Interior & Parking Lights, Brakelights, Taillights, Horn, Luggage Compartment Light, Turn Signal & Hazard
F l a sh e r Ligh t s, C l u st e r & Wa r n in g Ligh t s, R a d io , C iga r e t t e Ligh t e r , C h a r gin g & E missio n C o n t r o l S yst e ms, Wip e r / Wa sh e r S yst e ms,
A/C-Heater System, Cooling Fan System, Rear Window Defroster, Ignition & Starting Systems, Shift Lock System, Remote Control
Mirror, Ignition Key Reminder, Passive Restraint System (1990-93)
C - Brown (Head) Headlights, Daytime Running Lights, Starting & Charging System
BATTERY SPECIFICATIONS
All 1988-92 models use a BX-35 battery. The 1993 Festiva uses a 50D 20L standard battery.
CAUTIONS & WARNINGS
BATTERY WARNING
REPLACING BLOWN FUSES
Before replacing a blown fuse, remove ignition key, turn off all lights and accessories to avoid damaging the electrical system. Be sure to use
fuse with the correct indicated amperage rating. The use of an incorrect amperage rating fuse may result in a dangerous electrical system
overload.
BRAKE PAD WEAR INDICATOR
Indicator will cause a squealing or scraping noise, warning that brake pads need replacement.
CAUT ION: When battery is disconnected, vehicles equipped with com puters m ay lose m em ory data. When battery
power is restored, driveability problem s m ay exist on som e vehicles. T hese vehicles m ay require a
relearn procedure. See COMPUTER RELEARN PROCEDURES
article in the GENERAL INFORMAT ION
section.
WARNING:When battery is disconnected, vehicles equipped with com puters m ay lose m em ory data. When battery
power is restored, driveability problem s m ay exist on som e vehicles. T hese vehicles m ay require a
relearn procedure. See COMPUTER RELEARN PROCEDURES
article in GENERAL INFORMAT ION
section.
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CATALYTIC CONVERTER
Continued operation of vehicle with a severe malfunction could cause converter to overheat, resulting in possible damage to converter and
ve h ic l e .
Any modification to the exhaust system on turbo models, which reduces exhaust backpressure, will lead to lean fuel mixtures and excessive
spark advance. This could cause serious engine damage.
ELECTROSTATIC DISCHARGE SENSITIVE (ESD) PARTS
ENGINE OIL
FUEL PUMP SHUTOFF SWITCH
This switch stops flow of fuel to engine after a collision. The impact does not have to be great for switch to be triggered. Switch must be reset
after collision. Switch is located under left rear speaker in luggage compartment. Press button to reset switch.
FUEL SYSTEM SERVICE
HALOGEN BULBS
PASSIVE RESTRAINTS
RADIATOR CAP
RADIATOR FAN WARNING:Many solid state electrical com ponents can be dam aged by static electricity (ESD). Som e will display a
warning label, but m any will not. Discharge personal static electricity by touching a m etal ground point
on the vehicle prior to servicing any ESD sensitive com ponent.
CAUT ION: Never use non-detergent or straight m ineral oil.
WARNING:Relieve fuel system pressure prior to servicing any fuel system com ponent (fuel injection m odels).
WARNING:Halogen bulbs contain pressurized gas which m ay explode if overheated. DO NOT touch glass portion
of bulb with bare hands. Eye protection should be worn when handling or working around halogen
bulbs.
CAUT ION: Before operating vehicle, securely fasten passive shoulder restraints to the em ergency release buckles.
T he buckle fits in only one way. Ensure to position it properly.
CAUT ION: Always disconnect the fan m otor when working near the radiator fan. T he fan is tem perature controlled
and could start at any tim e even when the ignition key is in the OFF position. DO NOT loosen or rem ove
radiator cap when cooling system is hot.
WARNING:Keep hands away from radiator fan. Fan is controlled by a therm ostatic switch which m ay com e on or
run for up to 15 m inutes even after engine is turned off.
Copyr ight 2009 Mitchell Repair Information Company, LLC. All Rights Reserved.
Article GUID: A00058075
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ST ART ER
1991 ELECT RICAL Starters
DESCRIPTION
The Nippondenso direct drive starter is a conventional 12-volt, 4-pole, brush-type starter. The integral solenoid is attached to the drive
housing. When starter is energized, starter solenoid causes the starter pinion to engage with the flywheel ring gear. The overrunning clutch
pinion drive is mounted directly on armature shaft drive end.

Fig. 1: Starter System Schematic

Courtesy of FORD MOTOR CO.
TROUBLE SHOOTING
ENGINE CRANKS SLOWLY
Undercharged battery. Loose or corroded cable connections. Bad starter.
ENGINE WILL NOT CRANK
Undercharged battery. Bad ignition switch. Bad clutch engage switch (M/T) or neutral safety switch (A/T). Loose or corroded cable
connections. Bad starter. Faulty circuit grounds.
STARTER SPINS & ENGINE DOES NOT CRANK
Bad starter. Bad flywheel ring gear and/or starter drive pinion.
ENGINE STARTS WITH CLUTCH ENGAGED (M/T)
Bad clutch engage switch. Adjust or replace.
ENGINE STARTS IN GEAR (A/T)
Bad neutral safety switch. Adjust or replace.
ON-VEHICLE TESTING
PRELIMINARY TEST
Ensure battery is fully charged and has load tested okay. If starter will not crank engine with fully charged battery, proceed with the following
test.
1. Using a digital voltmeter, connect positive voltmeter lead to starter solenoid terminal "S", and negative lead to starter housing. See Fig.
1 .
2. Turn ignition switch to START position, and observe voltmeter reading. If voltage at terminal "S" is greater than 8 volts, starter or circuit
malfunction is indicated. See VOLTAGE DROP TEST
and STARTER GROUND CIRCUIT TEST under ON-VEHICLE TESTING.
Page 1 of 6 MITCHELL 1 ARTICLE - STARTER 1991 ELECTRICAL Starters
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