ELECT. SYSTEM MANUAL UPDATE SEC. 8A-ELECT. DIAG. REVISION

SUBJECT: ELECTRICAL SYSTEMS/SERVICE MANUAL UPDATE SECTION 8A - ELECTRICAL DIAGNOSIS REVISIONS

MODELS AFFECTED: 1992 LESABRE

The following "UPDATE CHANGE SUMMARY" reflects changes and revisions to Electrical Diagnosis Procedures in the Electrical Systems Manual. Please update your Service Manual Accordingly.

CARLINE: BUICK LESABRE

Page(s) Revision ------- ----------------- 18,62 The.8 ORN (440) wires between terminal H8 of connector C265 and the Powertrain Control Module (PCM) are changed to 1 ORN (440).

28,158 The in-line connector between Fuse 17 and the ELC Height Sensor terminal G12 of C200 is changed to G2 of C200.

33, 206 The.5 BLK (151) wire in terminal B of Connector C2 of the LH Composite Headlight Assembly is changed to.8 BLK (151).

350 The.8 BLK (155) wire in terminal 5 of the High Speed Blower Relay is changed to 1 BLK (155).

40,120 The.5 TAN (800) wires at terminal 42 of the Electronic Brake Control Module (EBCM), terminal A8 of the Diagnostic/Energy Reserve Module (DERM), and at terminals C and H of connector C2 of the Remote Accessory Control (RAC) Module is changed to .8 TAN (800).

64,84 The .35 BRN (86) wire between the Cruise/Shift Interlock/Brake Switch and terminal D10 of connector C1 of the Powertrain Control Module (PCM) is changed to.5 BRN (86).

65, 78, 84 The.5 YEL (400) wire between terminal D14 of connector C3 of the Powertrain Control Module (PCM) and in-line connector C265 terminal P9 is changed to.35 YEL (400).

84 The in-line connector between the Cruise indicator (indicators Cluster) and terminal D1 of connector C3 of the Powertrain Control Module (PCM), which was formerly terminal J10 of C200, is changed to Jlo of C200 with C67 and E2 of C200 with CJ2.

194, 261 The in-line connector between the Security indicator and terminal A5 of the Pass Key Decoder Module is now J9 of C200 to J9 of C200 with C67 or E13 with CJ2 of C200.

232 The terminal at in-line connectors C701 and C801 between the Rear Door Lights and Splice S252 is changed to C.

350 The.8 DK GRN/YEL (762) wire between terminal A of the A/C High Pressure Cut-Out Switch and terminal F2 of in-line connector C265 is changed to 1 LT GRN (66).

350 The .8 DK BLU (204) wire at terminal B of the A/C Hig h Pressure Cut-Out Switch is changed to 1 DK BLU (204).

General Motors bulletins are intended for use by professional technicians, not a "do-it-yourselfer". They are written to inform those technicians of conditions that may occur on some vehicles, or to provide information that could assist in the proper service of a vehicle. Properly trained technicians have the equipment, tools, safety instructions and know-how to do a job properly and safely. If a condition is described, do not assume that the bulletin applies to your vehicle, or that your vehicle will have that condition. See a General Motors dealer servicing your brand of General Motors vehicle for information on whether your vehicle may benefit from the information.