I haved just had my first problem with a 2000 frontier after owning it for 6 years. Of the 4 fan speeds, only the highest speed now works. No air blows at the 1, 2 or 3 setting. Has anyone else had this problem or know the solution? All help appreciated...

 

It's your blower motor resistor.... part number 27150-8B700 .... i can sell it to you for $25 shipped.... pm me for more details.