Horn Fuse/Horn Circuit - Identification Update: Overview

9217buick06

Bulletin 91-8-43

Date Sept. '91

Ref. No. 91-248-8A

Corp. Ref. No. 118116


SUBJECT:
SERVICE MANUAL UPDATE - SECTION 8A - ELECTRICAL DIAGNOSIS HORN FUSE AND HORN CIRCUIT IDENTIFICATION

MODELS AFFECTED:
1991 ROADMASTER ESTATE WAGONS


Some early 1991 Buick Roadmasters were built with Fuse 8 supplying battery voltage to the horn relay through Circuit 393. A change was made to supply battery voltage to the horn relay from Fuse 1 through Circuit 40. Fuse 1 and Fuse 8 are both 15 amp fuses.

Please update the 1991 Service Manual art, component location, and Chart # 1 in the Service Manual Section 8A-40 Horns. Please update fuse block details in Section 8A-11 Fuse Block Details.