I don't think there is anything like a 4 in 1 esc. You would need 4 escs and 4 motors. 1 esc controls 1 motor. For that harness. Its a servo Y harness. But I never seen a Y harness with 4 plugs on it for 4 escs. I only seen them with 1 or 2 plugs. (Y harness is like a cable extension, or for...