The 2002 Chevrolet trailblazer heater fan relay switch is located behind the dashboard. The relay switch will be on the drivers side of the vehicle.
thats the relay to engage the a/c compressor clutch
how do you change a heater core on a 2002 Nissan altima 2.5
The Heater/Blower Relay is on the blower motor housing under the dash in the passenger compartment on 1999-2002 models
70,000
how do I change the heater blower on a f350 2002
The manual states at 90,000 miles. How do I change a timing belt for a 2002 acura rl?
it's possible to change trip computer display for navigation system in Acura MDX 2002?
It means it's time to change the oil.
Yes,pretty simple,take it to a mechanic.
hkjg
maybe your blower motor relay is stuck or burned together ???