Dear All This question is related with my previous question of AC condenser fan. My EK3 had a modification for the AC unit with bigger condenser. The radiator fan also modified with grounding the coolant temperature switch with relay circuit. When the AC is on the coolant temperature switch short with ground and both fans start working. and if the AC is off, and the Thermostat on the radiator fan start working.no issue My question is , is this modification send the signal to ECU unit as