It is under the dash on the drivers side.
The heater fan relay switch can be found on the firewall in the engine compartment. The relay switch will be on the passenger side of the firewall.
The relay on the heater/blower circuit on a Ford Escort MK6 is probably behind the glove compartment. There are two popular places that Ford puts its heater/blower relay switches. The other place would be next to the blower motor itself.
Install block heater in lower rad hose .
It sounds like you have a bad heater core. I would recommend replacing it.
Under the dash between the console and the heater controls.
It controls the elctrical clutch on the compressor.0
The Escort doesn't have a starter relay. It has a solenoid on the starter that handles the heavy amperage.
On the Escort the ecm is called the pcm (power control module). It is located in the console inside the car just below the heater controls.
This is the part number for a 1998 Ford Escort ZX2 CCRM (constant control relay module).
The 1998 Dodge Neon does not have a relay. It does have a blower motor resistor that could be bad.
try under air intake hose on to the right of center of engine top, there are 2 similar relays/sensors. one is relay sensor other is relay.
There is no thermostat relay switch on a 1992 escort lx.