Ranger 2WD V6-245 4.0L (1990)
Antenna Cable: All Technical Service Bulletins
Radio - Poor AM Reception/Fading/Engine Noise
Article No. 91-5-5
RADIO - RECEPTION FADING AND ENGINE NOISE INTERFERENCE ON AM BAND
FORD:
1990-91 CROWN VICTORIA
LINCOLN-MERCURY: 1989-90 CONTINENTAL 1990 MARK VII, TOWN CAR 1990-91 GRAND MARQUIS
LIGHT TRUCK:
1989-90 RANGER 1990 BRONCO II 1991 EXPLORER
This TSB article is republished in its entirety to delete the time operation for Thunderbird/Cougar. These vehicles are covered in TSB article 90-26-7.
ISSUE:
Poor AM radio reception, AM fading and/or engine noise interference may be caused by a poor shield-to-shield connection at the in-line
antenna cable connector.
ACTION:
Use the following diagnostic procedure to determine the corrective action.
NOTE:
DO NOT CRIMP THE ANTENNA CABLE CONNECTORS AS PREVIOUSLY INSTRUCTED IN TSB 90-15-8.
1.
Disconnect and inspect the antenna cable connection at the base of the antenna for corrosion.
2.
If corroded, clean the connectors with steel wool.
3.
After cleaning, make sure that no steel wool particles remain in the connectors.
4.
Fill the female connector with Lubriplate DS-ES grease.
5.
Connect the cables and retest for the condition.
6.
If the condition remains, continue with Step # 7.
7.
Disconnect and inspect the in-line cable connector behind the glove box for corrosion.
8.
If corroded, clean the connectors with steel wool.
9.
After cleaning, make sure that no steel wool particles remain in the connectors.
10. Install a new in-line radio antenna connector retainer (F1VY-19121-A) in the female connector.
11. Connect the female and male connectors.
12. Retest for the condition.
13. If the condition still remains, continue with Step # 14.
14. Replace the antenna cable(s) as required. Refer to the Parts Block for parts usage.
15. Install the in-line radio antenna connector retainer (F1VY-19121-A) in the in-line connection.
NOTE:
VEHICLES PREVIOUSLY SERVICED WITH TSB ARTICLE 90-15-8 MAY REQUIRE THIS NEW PROCEDURE PERFORMED. THE
ANTENNA CABLES MAY REQUIRE REPLACEMENT.
PART NUMBER
PART NAME
CLASS
F1VY-19121-A
Antenna Connector Retainer
C
Obtain Locally
Lubriplate DS-ES
E9OY-18812-B
Antenna Lead-In Cable Assy. -
C
Front Sect., 2-Piece (1989/90
Continental)
E9OY-18812-A
Antenna Lead-in Cable Assy. -
C
Rear Sect., 2-Piece (1989/90
Continental)
