12V Car Auxiliary Heater, 4 Ports Universal Underdash Compact Auxiliary Heater, Winter Automotive Air Conditioner for Heating&Defrosting

Function: Designed with powerful blower motor and 4 vent holes, this car air conditioner is used as windscreen defroster, demister and heater in winter
Type: 4 Ports Universal Underdash Compact Auxiliary Heater; Voltage: 12V; Power Supply: 8A; Fitting Required: 5/8″(16 mm) inner diameter water hose (NOT included)
Switch Instruction 1: The red wire of the speed control switch is connected with positive pole of power supply and motor
Switch Instruction 2: The blue wire of the switch is connected with negative pole of motor
Switch Instruction 3: The black wire of the speed control is connected with negative pole of power supply

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