fox wiring expert wanted

HI all well i havea question i recently purchased a summit efi conversion harness...to me it looks identical to a 90s fox harness now the origional instructions were destroyed (also i purchased this kit second hand but unused) so i cant get a new copy of the instructions...but the kit was shipped with a install instruction kit from the ford svo install kit ive been told they are the same kit but in the instructions i have there is only one brown plug next to the self test plug and the harness actually has two a black and grey plug and the wiring on the green plug next to the computer has different wiring than the instructions suggest..to run the fuel pump etc now has anyone done this conversion and run into this problem..ive looked online and cant locate any diagrams of the black and grey plug setup only the brown one...and im quite certain that in my past experiences with fox cars all the ones i worked on had the dual plugs not the single...any ideas suggestions appreciated in advance

well in the instructions i have it says it should be one brown 8 pin round plug but instead have a black and grey both 8 pin plugs that as far as i remember is where the body harness ties into the ecm harness the instructions say there are all the wires here that need to be supplied power and a wire to run to the tach etc...also ill have a look at that site thanks for the help folks any other suggestions welcome also

hey guys i guess i am lookin for an actual harness diagram like the link below...if you look at this link you will see plug number 31 this is the plug that my instructions say i need to tie into to supply power to the system etc..but the harness i have has two plugs one black and one grey...does anyone know does a pic of the other harness exist or why my harness has two plugs not one...i know i had some issues years back with an 89 and had a 92 wiring schematic and there were different wires im assuming there must be two different harnesses i just dont know for sure if the harness i have is for the 89 90 car or the 91-93 car...but yea if anyone can supply me with the harness description as shown but with the optional double plugs that would help me out imensely...thanks in advance folks also i looked at the very useful site and yea that gave me the diagram of the newer harness but doesnt give me the colors at those two plugs..i gues if i disect my harness a bit i could trace from the computer forward...that might be my only option unless someone has the pic i need out there...

http://www.veryuseful.com/mustang/tech/engine/images/mustangMainHarness.gif