Corvette V8-350 5.7L DOHC VIN J MFI (1990)
Engine Control Module: Technical Service Bulletins
ECM, A/C Signal - Revised Electrical Diagnosis
Number:
90-377-8A
Section:
8A
Date:
November 1990
Corporate Bulletin No.: 018120
Subject:
ELECTRICAL DIAGNOSIS
Model and Year:
1990 CORVETTE
TO:
ALL CHEVROLET DEALERS
The 1990 Corvette Service Manual incorrectly shows the ECM A/C Request Input sourced to voltage, instead of ground, in ELECTRICAL DIAGNOSIS
(SECTIONS 8A-64 and 8A- 67). Refer to the pages (listed) for the correct information.