For 1990-2009 cars

# BLANK RADIO CONTROL HEAD VF DISPLAY DUE TO INSTRUMENT

#### SUBJECT: BLANK RADIO CONTROL HEAD VF DISPLAY IN CADILLAC D CARS DUE TO INSTRUMENT CLUSTER PROBLEMS

#### MODELS AFFECTED: 1993 CADILLAC FLEETWOOD BROUGHAM RADIO CONTROL HEADS

INFORMATION: IF THE CUSTOMER COMPLAINS OF A BLANK VF DISPLAY IN THE RADIO CONTROL HEAD AND THE HEAD TESTS NTF ON THE BENCH, THE PROBLEM MAY BE IN THE INSTRUMENT CLUSTER. A COMPONENT MAY HAVE FAILED IN THE INSTRUMENT CLUSTER WHICH DISABLED THE VF DIM SIGNAL TO THE RADIO CONTROL HEAD AND THE HVAC CONTROL HEAD. DELCO ELECTRONICS INSTRUMENT CLUSTER BULLETIN ID93IBA04 DETAILS THIS PROBLEM.

COPYRIGHT 1993 DELCO ELECTRONICS CORPORATION. ALL RIGHTS RESERVED.

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.