Electrical - Manual Update, Various Systems
9226buick01
Bulletin 89-8-28
Date Feb. '90
Ref. No. 89-269-8
Corp. Ref. No. 008101
SUBJECT:
SERVICE MANUAL UPDATE - SECTION 8A - ELECTRICAL DIAGNOSIS
MODEL AFFECTED:
1989 CENTURY
The illustrated pages reflect product changes. These pages are contained herein:
8A-1-0 Index
8A-l-l Index
8A-10-1-A Power Distribution: V6 VIN N
8A-10-2-A Power Distribution: V6 VIN N
8A-14-6-A Ground Distribution: G 403 Coupe and Sedan
8A-21-2-A Multi-port Fuel Injection: V6 VIN W
Fuel Control and Fuel Injector
8A-30-OA Starter and Charging System
8A-31-1-A Coolant Fan: V6 VIN W
8A-31-3-A Coolant Fan: With Heavy Duty Cooling (VO8)
8A-63-1 Air Conditioning: Blower Controls C60, Manual
8A-8O-2A Instrument Panel: Indicator's Cluster
Fuel Gage, Indicators and Illumination
8A-81-2-A Instrument Panel: Indicator's Cluster
Fuel Gage, Voltmeter, Indicators and Illumination
8A-90-1-A Wiper/Washer
8A-90-2-A Wiper/Washer
8A-90-3-A Wiper/Washer
8A-90-4-A Wiper/Washer
8A-90-5-A Wiper/Washer
8A-91-2-A Wiper/Washer: Pulse, CD4
8A-91-3-A Wiper/Washer: Pulse, CD4
8A-91-4-A Wiper/Washer: Pulse, CD4
8A-91-5-A Wiper/Washer: Pulse, CD4
8A-91-6-A Wiper/Washer: Pulse, CD4
8A-91-7-A Wiper/Washer: Pulse, CD4
8A-104-0-A Headlights: With T61
8A-110-1-A Exterior Lights: Front Park/Turn/Hazard/Stop
8A-110-2-A Exterior Lights: Turn/Hazard/Stop
8A-110-3-A Exterior Lights: Rear Marker/Tail/License Coupe and Sedan
8A-201-3-A Component Location Views
8A-201-8-A Component Location Views
8A-201-14-A Component Location Views
In addition, the following pages should be revised to reflect minor changes for late production, as noted:
8A-10-0 Change Fusible Link A from .8 Rust to 1 BLK
8A-10-0 Change Fusible Link F from 1 Rust to 1 BLK
8A-10-3 Change LTR/HORN/ETR Fuse to LTR/HORN/INJ Fuse
8A-11-0 Change LTR/HORN/ETR Fuse to LTR/HORN/INJ Fuse
8A-11-3 Change 3 ORN/BLK (60) wire to the Power Seat Switch to 2
ORN/BLK (60)
8A-11-4 Change LTR/HORN/ETR Fuse to LTR/HORN/INJ Fuse
8A-11-6 Change all .8 PNK/BLK (839) wires from splice S507 to
.8 PNK/BLK (639)
8A-11-6 Change all .8 PNK (639) wires from splice S506 to .8 PNK (1149)
BA-21-0 Change the 2 ORN (340) wire from splice S192 to 3 ORN (340)
8A-22-0 Change the 2 ORN (440) wire from splice S164 to 3 ORN (440)
8A-22-1 Change the .8 WHT (423) wire to .8 WHT/BLK (423)
8A-22-1 Change LTR/HORN/ETR Fuse to LTR/HORN/INJ Fuse
8A-22-2 Change .2 ORN (440) wire from splice S164 to 3 ORN (440)
8A-22-2 Change LTR/HORN/ETR Fuse to LTR/HORN/INJ Fuse
8A-31-0 Change 1 Rust Fusible Link A to 1 BLK
8A-31-2 Change Fusible Link G to Fusible Link A
8A-31-2 Add another 3 RED (2) wire from Fusible Link A and reference it to Power Distribution Cell 10
8A-31-2 Change connector C108 to C100
8A-31-4 Delete Battery Junction Block and location
8A-31-4 Delete Fusible Link G, ground G112, and locations
Add the following:
S132 ... Engine Harness, behind I/P, near grommet ... 201-10-C
S190 (VIN N) ... Engine harness, RH front of dash...201-9-C
8A-33-1 Change the .8 BRN/RED (437) wire to .8 RED (437)
8A-33-1 Change the .5 RED/WHT (993) wire to .5 BRN (993)
8A-34-1 Change the .8 BRN/RED (437) wire to .8 RED (437)
8A-63-0 Change Fusible Link D to Fusible Link A
8A-63-0 Add another 3 RED (2) wire from Fusible Link A and reference it to Power Distribution Cell 10
8A-63-0 Change 1 Rust Fusible Link F to 1 BLK
8A-63-2 Delete Component Location Chart
8A-64-2 Change the .8 LT BLU (67) wire between the A/C Low Pressure
Cut-out Switch and the A/C High Pressure Cut-out Switch to .8 LT BLU/BLK (67)
8A-104-2 Add S230 ... I/P harness, behind center of I/P ... 201-14-D
8A-110-7 Add the following:
S404..Rear lights harness, near RH back up light..201-14-D
S41O..Body near harness, center of LH tailgate pillar
..201-19-A
8A-140-0 Add 2 ORN/BLK (60) to the wire from terminal F of the Power
Seat Switch
8A-140-0 Change the 3 BLK (151) wire from terminal C of the Power Seat
Switch to 2 BLK (151)
8A-201-19 Add splice S410 next to S311