Looks to me like you could just snag the Run Start fused power on the 18 gauge pink/red wire, run it through a switch and splice it into the again fused 18 gauge Red/Blue pump wire. The fan I'm not sure, but the "radiator fan control module" looks nothing more like a duel power relay to me. Question is is the Grey "radiator fan control" wire a ground input or power input (considering it's 20 gauge I'll guess ground). If it's ground then just tap it to a switch then to a ground. if it's power just tap it to a switch to your fused pink/red run start wire of earlier, or possibly T it in with your output to the pump. All should be able to be done with just maybe 2 feet of 18 gauge wire at the pulse modual & powertrain control module.