Ok so I bought a 1990 Chevy z71 with a blown up engine with the intentions of fixing it so I bought a new engine out of a 1984 c10 and put it on it with a carburetor instead of throttle body and I got everything to match up except the distributor the 1990 model uses a 4 pin plug while the 84 model uses a 2 female plug and there are 4 wires on the wiring harness and I need to know how to make the 4 wires go into the 2 to get the distributor to work it has 2 plugs and one matched up but this second one did not