You may also need the. The reason for this mod is to give the safc a boost related input instead of an input from the tps. The detailed instructions below are specific to the installation of this sensor on a 2g dsm using the mdp sensor input.
Complete Guide to Understanding GM 3 Bar MAP Sensor Wiring Diagram
The j1 connector wires go from the rest of the car to the ecm and back out
The other two connectors j2 and j3 on the e40 ecm are both for the motor and m6 trans harness.
Well i finally got around to installing my gm map sensor so i decided to do a small write up