where does the revolutions cord connects in a 1985 chevy 350??? with mds distributor?

[Anderson]

HI,,, i got my 1985 chevy 350 engine running in my camaro 89 last night after i finished the swap (used a fuel regualtor) works great,,, the engine is a chevy 350 with edelbrock intake and carb,, with MDS ignition, coil and distributor,, the revolutions in the 89 305 connected in the stock distributor,, but i cant find where to connect the revolutions cord... please help