Ok I have a 84 s15 2.8L gmc that threw a rod so I found a 89 s10 4cyl.
2.5 L and switched the motors. while doing so I left the v6 tranny on and now I am getting ready to drop anyone out the know how to get a wiring diagram for the two. Thanks

Your best bet is alldata.com Sign up for a month and you can get everything you need.