MY BLOWER MOTOR RUNS ON HIGH SPEED WITH THE KEY OFF on 1991 Oldsmobile 98

COULD THE HIGH SPEED RELAY BE THE TROUBLE
WHERE IS THE HIGH SPEED RELAY LOCATED

Asked by for the 1991 Oldsmobile 98
1 answer
blower resistor or relay. it is under the hood in the relay center. the resistor is by the blower motor.

Roy