Need help!! I put a 10/95 351 OBD2 motor with wiring harness in a 04/95 OBD1 truck that had a 302 in it. Plugged in the wiring harness off motor into the same harness that was in the truck. now it won't start seems to have fire but injectors don't seem to be working. A guy at the part store told me I needed to repin a few wires where the harness's connected. Sounds good but this is the part where I would like to ask for help before messing something up! And having broke something then asking for help.

 

I would compare the harness and see whats different and go from there. Maybe even consider using the harness off the 302 engine if thats the only way.. I've never done that swap but it shouldnt be to hard to make it work..

 

I'm going to try the 302 harness, Thank You again!!