Electrical - Updated Grounds/Power

9222buick02

Bulletin 88-8-31

Date Aug. '89

Ref. No. 88-289-8

Corp. Ref. No. 908102


SUBJECT:
SERVICE MANUAL UPDATE - SECTION 8A - ELECTRICAL DIAGNOSIS

MODELS AFFECTED:
1988 CENTURYS

The illustrations reflect product changes. These are contained herein:








Fuse Block Details





Ground Distribution G104,105 VIN R





Ground Distribution G104 VIN 3





Ground Distribution G104,112 VIN W





Ground Distribution G112 VIN W





Starter and Charging System





Coolant Fan








Wiper/Washer


In addition, the following pages should be revised to reflect minor changes for late production, as noted.

8A-11-3 Wire routing change. The PNK/WHT (939) wire from the FP/INJ fuse now
runs through connector C100, terminal G7.
8A-20-0 Wire routing change. The PNK/WHT (439) wire from the DSL/ECM fuse now
runs through connector C100, terminal G7.
8A-20-3 Wire routing change. The PNK/WHT (439) wire from the DSL/ECM fuse now
runs through connector CIOO, terminal G7.
8A-21-0 Wire routing change. The PNK/WHT (439) wire from the DSL/ECM fuse now
runs through connector C100, terminal G7.
8A-21-3 Wire routing change. The PNK/WHT (439) wire from the DSL/ECM fuse now
runs through connector CIOO, terminal G7.
8A-22-2 Wire routing change. The PNK/WHT (939) wire from the FP/INJ fuse now
runs through connector C100, terminal G7.
8A-22-3 Wire routing change. The PNK/WHT (939) wire from the FP/INJ fuse now
runs through connector C100, terminal G7.
8A-22-4 Wire routing change. The PNK/WHT (439) wire from the ECM/IGN fuse now
runs through connector C100, terminal G7.