Tape Deck Noise/Static Fix for C1500 Truck 2WD V8-350 57L (1989)
Tape Player: Customer Interest
Tape Deck - Noise/Static During Program Pauses
Number: 93-249-9
Section: 9
Date: JULY 1993
Corporate Bulletin No.: 369602
ASE No.: A6
Subject:
TAPE DECK NOISE/STATIC DURING PROGRAM PAUSES
Model and Year:
1988-93 C/K TRUCKS WITH RPO UM6/UX1 RADIO AND REMOTE CASSETTE PLAYER
CONDITION:
Noise/static heard through the audio system during program pauses when using the cassette player.
CAUSE:
Electromagnetic interference emitted from the cross vehicle wiring harness and received by the magnetically sensitive pick-up heads in the cassette
player.
CORRECTION:
The cross vehicle wiring harness is several inches longer than necessary to accommodate servicing requirements. In some instances, the slack allows the
harness to bunch up inside the cross vehicle conduit/guide coming very close to the bottom of the tape player directly above the harness (Figure 1).
This condition can be corrected by removing the glove box liner for access and pulling the harness taut or otherwise as far away from the tape player as
possible.
This may not eliminate the noise 100 percent in every case, but it should (in every case) reduce the noise level significantly.
WARRANTY INFORMATION:
For vehicles repaired under warranty, use:
