Ok here is my problem. I just did an auto to 5 speed swap and was driving around with the auto ecu. Today i decide to put in this old manual ecu that came with the transmission i used. First i disconnected the battery, then unscrewed the old auto ecu. Next i screw in the 5 speed ecu. when i reconnect the battery, the negative terminal sparks. i then go to try to start the car and nothing happens. I put the auto ecu back in and nothing happens... What did i do to them????
my 240sx is a 1990 with a 5 speed that also came from a 1990
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
Nissan 240SX Forums
A forum community dedicated to Nissan 240SX owners and enthusiasts. Come join the discussion about performance, builds, engine swaps, turbos, modifications, classifieds, troubleshooting, maintenance, and more!