Buying tmcc - will my insulated ground track cause signal problems?

[lionel2986]

I am getting tmcc but I also need to have a ground track insulated to throw a relay and and run multiple trains with my blocks. I have two segments of positive rail insulated just before each block, and one entire ground track insulated. When the axel transfers power to the insulated ground, my relay cuts power to the two segments of + before the block. Now, will my insulated ground cause tmcc problems, or will the axel providing ground be sufficient? It is as if I have gargraves track but I cannot ground both sides otherwise my relays will not work. Thanks