93 atx wiring help!

[quake]

Need to know on the brown plug from ecm wiring harness on rear of fire wall what color wire does what.And also the big grey plug on driver side buy the rear of the engine,with the quick connect.And wire color and whats its for.My cheap chiltons dont go in to much details.Doing a rewiring job to a mtx ecm thanks for any help.

 

[quikSHOilver]

First thing first, what year is it? Since you inquire on brown connector, safe to assume its '93 and up. Brown one for vaps steering, grey... There's couple of them on drivers side that connects to engine and injectors harness.

 

[quake]

yes its a 93 atx The ecm harness that runs along the fire wall .Theres a bown connector 6to8 pins.just futher down the ecm harness just over trans bell housing grey 12to15pin connector