Radiator Fan Controller Relay
The electrical switch is designed to give feedback to the engine management system. The ECM controls the A/C system on modern vehicles. In earlier vehicles, they are used to directly turn the compressor off to avoid compressor failure. 35988 is used to monitor the pressure switch on Four Seasons systems.
Designed to meet/exceed OE fit, form and function
Durability tested on every new design
Voltage Tested 35988
Amperage draw tested Four Seasons if these words exist.
