I would suspect the relay on the firewall under the plastic cover of the drivers side.
The Nissan blower motor can be found in the engine compartment on the firewall. The blower motor will be on the passenger side of the firewall.
The Honda blower motor is located on the firewall in the engine compartment. The blower motors will be on the passenger side of the firewall.
The blower motor, on a Ford fiesta, can be located on the firewall in the engine compartment. The blower motor will be on the passenger side of the firewall.
The Mercury Cougar blower motor is located on the firewall in the engine compartment. The blower motor can be seen on the passenger side of the firewall.
The 1991 Honda accord blower motor resistor is located on the firewall in the engine compartment. The blower motor resistor will be on the passenger side of the firewall.
The Nissan Quest blower motor is located on the firewall in the engine compartment. The blower motor can be found on the passenger side of the engine compartment.
The blower motor resistor, for your infinity automobile, can be found in the engine compartment on the firewall. The resistor will be on the passenger side of the firewall.
The blower resistor is UNDER the maxifuse center on the engine firewall. The maxifuse center needs to be removed with 2 bolts and the resistor is in the top of the blower heater assembly held in place with 4 screws. Difficult to get to but can be done.
The 1997 Dodge ram blower motor is located on the firewall in the engine compartment. The blower motor will be near the bottom, passenger side, firewall.
The 2001 Nissan Quest blower motor resistor is located on the firewall in the engine compartment. The blower motor resistor will be on the passenger side of the firewall.
On my 91 its behind the engine in the center of the firewall
engine compartment, center of the firewall.