ina 91 240 where is the ecu located and if possible maybe a pic.....thanks for any help

 

should be by where the passenger puts their feet at

 

passenger floor board. its behind the plastic panel to the right.

 

how big is the box does anybody by any chance have a pic i have a nissan hardbody truck and i am putting a de in it and the ecu for my truck is under the seat where yall are saying the bx is there is a small box it dosent look big enough to an ecu

 

The box should be gold in color and is about 6"x7" for dimensions.