Defrost and floor wont blow air but vents work

These repairs are usually best left to an electromechanic but it can be doen by anyone with basic knowledge following the troubleshooting section in repair manual which can be purchase from local parts shop or online haynes or chiltons will do and get a multitester.

First check basics: are the fuses good to defrost blower? (fuse access refer to manual)
then see if there is power to the blower/defrost switch use multi meter at 20V setting
then see if there is power to blower unit under dash (see manual under interior section to access blower motor)
probe using same setting to test for power on each wire ( as you turn blower setting from low to high you shuld notice the voltagre climbs aswell)
if this checks out your blower motor is faulty replace and your good heres a few places to get the best deal on parts
ebay.com
Peach street autorecylcing 18003652341
www.godspeedmotorsportsonline.com