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To check the fan relays on the 99 Malibu, you can swap the relay between the AC blower and the fan.
P1491 Radiator Fan Control Relay Circuit An open or shorted condition detected in the radiator fan control relay control circuit. This includes PWM solid state relays.
the cooling fan relays are behind and below the center of the radiator
The CCRM is a set of relays in the same box. The relays control the radiator cooling fan, the PCM, the fuel pump and the A/C compressor. Pre-97 Escorts had separate relays on the above functions. Starting in 97 continuing through 2002 they put all the relays in one box.
The 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.
the ccrm contains the fuel pump,coolng fan,a/c relays depending on model year
3 relays
relays will be found on inerfenders or firewall
The fan motor and relays do go bad.
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.
In front of the lower part of the radiator You will see 3 relays