Mark VII V8-302 5.0L HO (1986)
Technical Service Bulletin # 92136
Date: 920617
Radio - Noise/Reception Diagnostic/Repair Procedure
Article No.
92-13-6
06/17/92
RADIO - NOISE/RECEPTION CONCERNS - COMPREHENSIVE DIAGNOSTIC AND REPAIR PROCEDURE
LINCOLN-MERCURY:
1985-91 MARK VII
1989-91 CONTINENTAL
1990-91 TOWN CAR
ISSUE:
A comprehensive radio noise/reception diagnostic and repair procedure has been developed for service use. Many sound system concerns can be
diagnosed and resolved by using this procedure.
ACTION:
If service is required, use the following diagnostic and repair procedure to resolve the radio noise/reception concern.
VERIFICATION
Before performing audio sound system diagnosis, verify the customer's concern. If the customer has a concern about a particular station or stations, be
sure to test the radio at those stations. Keep in mind that the noise concern may be heard at one area of the radio band.
CONTENTS
This TSB article includes the following diagnostic and repair topics:
A.
AM Signal Issue - Diagnostic Tips
B.
FM Signal Issue - Diagnostic Tips
C.
Diagnosing AM Band Alternator Whine
D.
Diagnosing AM Band Ignition Noise
E.
Lincoln Town Car
1.
AM Static - Weak Station
F.
AM Station Fade - Interference
1.
Ignition Noise
2.
Windshield Wiper "Pop"
3.
Windshield Wiper (Electric Motor Static)
4.
Brake "Pop"
5.
Heated Windshield
6.
Windshield Washer Motor Noise
7.
Turn Signal
G.
Noise In Tape Mode
H.
Lincoln Continental
1.
Excessive AM static
