Corsica L4-134 2.2L (1991)
Radio/Stereo: All Technical Service Bulletins
Radio Display - Inoperative
Number:
91-293-9A
Section:
9A
Date:
APRIL 1991
Corp. Bulletin No.: 139005
Subject:
NO RADIO DISPLAY WITH PARK LAMP OR HEADLAMPS ON
Model and Year:
1991 CORSICA/BERETTA
Condition:
Some 1991 L models may experience an inoperative radio display with head lamps or park lamps on.
Cause
1991 L car models feature a pulse width modulated dimming design for radio display, and cannot be used with any other type of radio.
Although similar in appearance, upgrading or substituting any other style of radio will result in an inoperative display with headlights on.
Correction:
Use only L car specific radios for exchange or upgrade. The following are part numbers to be used only with 1991 L-car models.
UM7 Base AM-FM Stereo
P/N 12341714
UM6 Cassette AM-FM
P/N 12341715
UIC Compact Disc AM-FM Stereo
P/N 12341716
Parts are currently available from GMSPO.