The EWP Controller comes with a temperature sensor that must be installed near the stock thermostat. The sensor will fit inside the Saab 99 thermostat housing.
Thread the sensor and wire that came with the EWP control unit through the thermostat cover then through the modified thermostat, and place the sensor inside the thermostat housing.
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| The EWP sensor wiring is shown here passing through the thermostat, housing cover and through the radiator hose using the adapter supplied with the EWP Controller. The sensor rests inside the thermostat cover. |
