Not sure about the relay, but there is a blower resistor assembly located on the heater case to the right of the blower motor.
The Heater/Blower Relay is on the blower motor housing under the dash in the passenger compartment on 1999-2002 models
In a 1997 Jeep Wrangler, the relay switch for the heater blower and motor is located behind the dash. It will be directly behind the HVAC knobs behind the dashboard.
The only relay in the heater system would be for the high speed function of the blower motor. That rely would be located under the hood, on the firewall, close to the blower motor resistor.
the blower motor relay is located next to the blower motor it is connected to the motor by a purple and black wires
The 1998 Dodge Neon does not have a relay. It does have a blower motor resistor that could be bad.
there is a resistor that controls the speed and should be near the blower motor its called blower motor resistor
The 1998 Rav 4 blower motor relay switch is located in the engine compartment on the firewall. The blower motor relay switch will be on the passenger side of the firewall.
The 1995 Oldsmobile Aurora blower motor relay switch is located beneath the dashboard on the passenger side. The blower motor relay switch should be labeled as such.
location of relay blower motor 1997 Mercury mystique
Go To Your Underhood Fuse/Relay Center Located Near The Master Cylinder. You Will Find The Relay There.
under the passenger side dash beside the heater fan