Instruments - Turn Signal Modifications
90toyota05 REFERENCE ELECTRICALNUMBER 013
DATE 09-28-90
MODEL AT, ST, MA
TITLE 1990 CELICA/SUPRA TURN SIGNAL OPERATIONS
PRODUCTION EFFECTIVE:
IDENTIFICATION METHOD:
Parts built after October 6, 1989 have the modification and can be identified by the following method:
1) Locate the 4-digit build date identification number on the Turn Signal Switch.
2) Use the following chart to identify the build date.