Aerostar 2WD V6-245 4.0L (1990)
NOTE:
If the vehicle is equipped with an automatic lighting system, the DRL System is active until the automatic system turns on the headlights.
DRL Module Removal and Installation Procedure
(Refer to Daytime Running Light Module Location Table.)
Refer to the Vehicle's 1990 or 1991 Shop Manual, Section 32 "Lighting System", for Removal and Installation instructions. Mutilate and scrap the
removed DRL module.
NOTE:
For the 1989 Thunderbird and Cougar cars refer to the 1990 Model Year Shop Manual.
After Installing The Replacement DRL Module Verify DRL System Function As Follows
Ensure the vehicle's road wheels are blocked to preclude inadvertent vehicle movement.
^
Manual transmission in NEUTRAL.
^
Automatic Transmission in PARK. (Neutral on Heavy Trucks with Allison automatic.)
1.
Parking brake applied and headlight switch OFF, start engine.
^
The headlights (Hi or Lo beam) should not be illuminated.
2.
Parking brake released and headlight switch OFF, engine running.
^
The high beams should be ON at reduced intensity.
NOTE:
A comparison check for full intensity can be made using flash-to-pass or by putting headlight switch ON and switching to high beams.
a.
Turn on Park Lights.
The high beams should be ON at reduced intensity.
The high beam indicator should NOT be ON.
b. Turn on headlights (LOW BEAMS).
The low beams should be ON at full intensity. The high beams should be OFF. The high beam indicator should NOT be ON.
c. Turn on headlights (HIGH BEAMS).
The high beams should be ON at full intensity. The high beam indicator should be ON.
NOTE:
LL and LTL models use quad highlight systems and are not affected by this program.
Daytime Running Light Module Locations
1989 MODEL YEAR (CARS/LIGHT TRUCKS)
LOCATION
Thunderbird/Cougar
In front of driver's side radiator support,
vertically mounted behind bumper.
1990-1991 MODEL YEAR
LOCATION
Thunderbird/Cougar
In front of driver's side radiator support,
vertically mounted behind bumper.
Tempo/Topaz
Inside on the RH side radiator support,
vertically mounted below radiator cap.
Ford Mustang
Under the LH front fender apron, directly below
the battery.
