I just bought a 89" supra. The guys i bought the car from tried to put in a cd changer but wasn't any good at electronics, and ended up blowing the ecu. These guys tried to fix it and messed up a lot of stuff. The first thing i found was the lights always stay on(even the lights are flipped down) as long a the batt. is connected. Next i get voltage to my rear light assimbly but not across them (both sides). Dash lights come on when they want too same with the radio. I started removing all the panels and putting all the wires back they way they should be. Oh yeah any one have a spare ecu for a non-turbo 89' supra. The car only has 93 thousand mile on it. I will send pics next log on.