What does the Constant Control Relay Module CCRM do on a Ford Taurus?
The Constant Control Relay Module(CCRM)interfaces with the Power Control Module(PCM)to provide control of the cooling fan, A/C Clutch and fuel pump. The module also includes the electronic engine control(EEC)relay to provide power the PCMThe CCRM is a set of 4 relays in one module. The relays are :1. Relay for the PCM (Powertrain Control Module)2. Relays for the high and low radiator fan speeds.3. Relay for the fuel pump.4. Relay for the Air Conditioning clutch on the compressor.