Electrical Updates - Service Manual Revisions
Bulletin Number: 93-8-18Reference Number: 318109R
Publish Date: 7/93
Subject:
SERVICE MANUAL UPDATE - SECTIONS 8A AND 9A VARIOUS INFORMATION UPDATES
Models Affected:
1993 FIREBIRD MODELS
The schematic on pages SA-60-0 and 8A-63-0 for Chevrolet and Pontiac are revised to illustrate a diode within the Blower Resistor.
The Lead-In Cable Resistance Value for Table 1 on page 8A-150-18 is revised from 0.2 ohms to 3.5 ohms for probing points A and B, C and D.
The Terminals on the Instrument Cluster Connector are revised on page 8A-30-1.
The Amperage Rating for the "Defog/Seats" and the "Windows" Circuit breakers are revised to 30 AMPS on several pages.
The setting and unlocking procedures for the Delco-Loc II Anti-Theft feature are revised on page 9A-6.
When replacing an In-Harness Diode, the chart lists the proper GMSPO Replacement Diodes and their specifications recommended to be used for replacement of the diode(s) named in the Service Manual.