EXPERTEC TSB (51-65-20)
Publication date: 1995-03-31Reference number: 51-65-20
EXPERTEC TSB
TECHNICAL SERVICE BULLETIN
Reference Number(s): 51-65-20, Date of Issue:
March 31, 1995
SMU-SECTIONS 3A, 6E3, 7A14C - DRIVEABILITY & EMISSIONS AND ELECTRICAL DIAGNOSIS-REVISED CIRCUIT CALLOUT
Model(s): 1994 Chevrolet & GMC Trucks S/T Models with 2.2L and 4.3L Engines (VINS 4, W, Z-RPOS LN2, L35, LB4)
1993 Oldsmobile Bravada with 4.3L Engines (VIN W-RPO L35)
Bulletin No.: 51-65-20 Chevrolet 51-65-20 Oldsmobile 51-65-20 GMC
Date: March 31, 1995
SERVICE INFORMATION
This bulletin is to advise of an incorrect circuit callout in the following Service Manuals:
- 1993 Oldsmobile Bravada Service Manual, Section 6E3, pages 6E3-A5, 6E3-A11, 6E3-A44, 6E3-B24, 7A14C-22, 7A14C-38, 7A14C-60, 7A14C-79, and 7A14C-84.
- 1994 S/T Driveability Emissions and Electrical Diagnosis Manual, pages 3A-86, 3A-94, 3A-135, 3A-148, 3A-152, 3A-156, 3A-162, 3A-166, 3A-170, 3A-174, 3A-178 and 3A-182.
THE CORRECT CIRCUIT CALLOUT IS AS FOLLOWS:
- PCM CONNECTOR (F) - PIN 12 CIRCUIT SHOULD BE 1697 BRN/WHT.
- PCM CONNECTOR (F) - PIN 13 CIRCUIT SHOULD BE 437 BRN.