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Vehicle - Electrical Problems, IPC Codes 33, 34, 37, 39

Bulletin No.: T-93-77
File in Group: 8
Number: 157
Corp.Ref.No.: 318101
Date: April, 1993

SUBJECT:
ERRATIC ELECTRICAL SYSTEM OPERATIONS WITH KEY OFF; INTERMITTENT IPC CODES 33, 34, 37, AND/OR 39; INTERMITTENT DEAD BATTERY; IPC/REAR BLOWER MOTOR "ON" WITH KEY "OFF"; RAP REMAIN "ON" AFTER DOOR OPEN; OR INTERMITTENT NO START IN FREEZING WEATHER

MODELS AFFECTED:
1992-1993 ELDORADOS AND SEVILLES

Some 1992-1993 Eldorados and Sevilles may experience some or all of the following conditions:

^ Erratic Electrical System Operations With Key "Off"
^ Intermittent IPC Codes 33, 34, 37, and/or 39
^ Intermittent Dead Battery
^ IPC/Rear Blower Motor "On" With Key "Off
^ RAP Remains "On" After Door Open
^ Intermittent No Start In Freezing Weather (frozen starter enable relay)

The above conditions may be caused by water intrusion/accumulation from the underside of the left-hand dash panel in the left-hand sill channel area where many of the above electronic system wirings/connectors/components/grounds are located (body main harness, RAP relay and circuit breaker, starter enable relay, etc.). To repair the above condition(s), seal leak per Service bulletin T-93-72 (Corporate bulletin number 311604), Group 10. Replace RAP relay and starter enable relay with P/N 14100455 for either relay; and if necessary, repair affected system wirings/connectors/ ground (G302).

Parts are currently available from GMSPO.





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