I am swapping an L98 and wiring harness from an 89 Formula into an 87 GTA that originally came with a LB9. I have cut and spliced all of the wires from the 89 into the 87 C100 excpet one. The 87 C100 does not have a tan/white fuel control (fuel pump power) wire at the C100. The 89 C100 does. I need to find a place to splice this wire into the 87 so that it will run the fuel pump. Where is a good place to tap into it?