Originally Posted by spensley
I did disconnect the -ve terminal.
I can't remember if the car was locked.
(How should I lock the car once the battery is disconnected - manually & trunk?)
I have no power at all - no lights - nothing.
Turn the ignition - nothing at all.
Doors will not lock with remote etc. (remote is good).
So, I'm confused... You were going to remove the ECU but your alarm went off when you disconnected the battery (so you never removed the ECU) and re-connected the battery and now it has ZERO power ?
Or you followed the procedure and disconnected the battery and removed the ECU but while you were doing it the alarm activated... Never mind, just call me... I'll send you a PM with my phone #