Are you using this diagram?
http://www.clubcobra.com/photopost/d...ng_diagram.JPG
From what I see the "work side" of the relays power is bussed directly off the Batt Disconnect.
The three relays the control side the ground pulls the relay on the Horn and Fan, but the hot control lead goes thru the start switch, the ground waiting on the other side.
Can you circle the post(s) your seeing a ground on with the relays removed?