AE3: Check Left Turn Signal Input To Instrument Cluster
With the ignition key in the OFF position, locate and disconnect the instrument cluster connector C1. Turn the ignition key to the ON position, operate the turn signal left. Measure the voltage on the Red/Green wire at the instrument cluster connector C1. See WIRING DIAGRAMS . Does the voltage alternate between 0 and 10 volts? If yes, replace the instrument cluster. If no, service the Red/Green wire.