Coupe L4-1.9L DOHC VIN 7 (1994)
Radio/Stereo: Customer Interest
Radio - Static Noise on AM Band
BULLETIN NO.: 94-T-21
ISSUE DATE:
GROUP/SEQ. NO.: Electrical-03
CORPORATION NO.: 488101
SUBJECT:
Static Noise Heard from Radio Speakers on AM Band When Power Windows are Operated (Install Grounding Wire at Power Window Motor Housing
to Body Frame)
MODELS AFFECTED:
1993-1994 Saturns equipped with power windows
CONDITION:
Some customers may comment that a static noise can be heard while listening to AM radio stations during operation of a front door power window. The
static may be louder on weaker AM stations or when the door is open and the power windows are operated.
CAUSE:
Condition may be caused by an insufficient ground path from the front door power window motor to the body ground plane.
CORRECTION:
Install a ground wire, from the front door power window motor housing through the wiring harness door grommets to the center instrument panel
reinforcement, according to the procedure in this bulletin.
PROCEDURE
1.
Tune the radio to the AM band and verify static condition while using the power windows.
^
If static condition is verified, determine which power window motor is causing the static and proceed to step 2 of this bulletin.
IMPORTANT:
If operation of both power window motors cause static, install separate ground wires to both power window motors.
^
If static condition exists at all times, or appears not to be caused by the power windows, refer to "Radio (Audio) System" in the "Power
Distribution" section of the "Electrical Service Manual."
2.
Disconnect negative battery terminal.
3.
Remove outer door panel on door containing power window motor that requires ground wire to be added. (Refer to "Outer Panel" procedure in the
"Doors" section of the "Body/Collision Repair Service Manual.")
4.
Remove two screws from instrument panel A/C outer air outlet end cap on affected side of vehicle.
5.
Remove end cap by carefully pulling outward at clip locations.
