The thermostat is located on the upper middle region of the motor. It is possibly difficult to locate the thermostat due to the air conditioning brackets and compressor pump.
Where Is The Thermostat Located On A 1999 Dodge Neon?
Welcome ! The thermostat should be in a housing on top of the intake. Follow the top radiator hose and you will find the housing. It might also be the heater core plugged up too.