Fiero

Cluster diagnostics, service parts, and parts ordering procedures are the same as 1984 Fiero procedures listed in Dealer Bulletin 84-8-1A.

There are new exchange unit part numbers for 1985 Fiero speedometer. This is the result of the removal of cruise control from the cluster assembly and the inclusion of cruise into a separate controller assembly. Fiero Electronic Quartz exchange units are available from the eight AC-Delco authorized service centers listed in this bulletin:
AC-DELCO EXCHANGE UNIT DESCRIPTION

25058958 U.S. - V6
25058959 Canada - V6
25054495 U.S. - L4
250548175 Canada - L4


DRIVER INFORMATION CENTER


The Driver Information Center (DIC) module for Grand Am and Firebird is serviced only by exchange. They should be returned to either of the two authorized centers listed:

AC DELCO DIC SERVICE CENTERS


U.S. CANADA

SPECMO, Inc. Custone Auto Radio
2344 N. Woodward Avenue 1614 Charles Street
Royal Oak, MI 48073 Whitby, Ontario
(313) 399-5645 Canada LIN1B9
1-800-7910 (Mich. Only) (416) 668-2664
1-800-545-7911 (Outside Mich.) 1-800-263-7867 (Canada Only)