i have 1991 mazda b2600 truck with 2.6 engine 4x4 5 sp i have only 2 fuel injs working told need computer in truck passer side

 

need help withmy 1991 mazda b2600 2fuel injector is it brain box on the passer side by gove box i told help get the part 4x4 2.6 engine 4 clinder

 

the ecm is located lower kick panel passangers side by the door/footwell
the pcm has two grounds for the injectors #1& #3and #2 & #4
there are different problems with the pcm/curcuit board
http://www.avproecm.com/mazda.htm
mine went because of a water leak in the firewall allowed water to drip onto it

 

thank you where find ecu part found 250to 500 any one has one cheaper don/t send all money find out need some thing more