Electric Fuel Pump - New Service Procedure
87ford3
Article No. FUEL PUMP - ELECTRIC - NEW SERVICE
87-11-15 PROCEDURE AND SHOP MANUAL REVISION
FORD: 1984-86 LTD
1984-87 ESCORT, EXP, MUSTANG, TEMPO, THUNDERBIRD, CROWN VICTORIA
LINCOLN-MERCURY: 1984-86 CAPRI, MARQUIS
1984-87 LYNX, TOPAZ, COUGAR, GRAND MARQUIS, MARK VII, CONTINENTAL, LINCOLN TOWN CAR
LIGHT TRUCK: 1984-87 E-SERIES, F-SERIES, RANGER, BRONCO II
1986-87 AEROSTAR
ISSUE: The present 1984-87 Car and Light Truck Shop Manuals, Section 24-35, have been revised to eliminate using a modified relay to operate the fuel pump during testing.
ACTION: When testing the electric fuel pump, use the following new service procedure to check the fuel flow/pressure.
1. Locate self-test connector, in engine compartment.
a. Front Wheel Drive:
Tempo/Topaz, Escort/Lynx, EXP - Connector is behind strut tower on right side of cowl.
b. Unibody, Rear Wheel Drive:
Thunderbird/Cougar, Mustang/Capri, LTD/Marquis - Connector is just below starter solenoid between left strut tower and battery.
Mark VII, Continental - Connector is underneath coolant overflow reservoir, right side of engine compartment.
c. Conventional Frame, Rear Wheel Drive:
Crown Victoria/Grand Marquis, Lincoln Town Car - Connector is at left fender apron, near hood hinge.
d. E-Series (Van) - Connector is at inner right fender apron, tucked alongside battery.
e. F-Series, Conventional Pick-Up - Connector is at right fender apron, just below starter solenoid.
f. Ranger/Bronco 11 - Connector is at right fender apron, next to carbon canister, in front of heater blower motor.
g. Aerostar - Connector is at left fender apron.
2. The self-test connector has a fuel pump terminal which must be used to operate the electric fuel pump with "Off".
Figure 14 - Article 87-11-15:
3. Connect a jumper lead to the terminal, Figure 14.
4. Turn ignition switch to "Run" position.
5. Energize fuel pump, by grounding jumper lead from self-test connector, and check fuel pressure. If there is no pressure, be sure pump is receiving power. If necessary, correct any circuit fault.
CAUTION: Only ground to fuel pump terminal, or damage may occur to the EEC IV processor.
OTHER APPLICABLE ARTICLES: None
WARRANTY STATUS: "INFORMATION ONLY"