Does the blower work on the high speed, if so the blower motor resistor may be bad. With the key on check for power at the blower motor with the key on on the blue white wire, grounding the blue black wire should make the fan operate. The blower motor is on the lower side of the dash at the passenger footwell area. It has two wire going to it about 7 inches in diameter and held in the heater box with 3 8mm screws. If removed it is easy to test across a battery.
Fuse #22 (10Amp) is ignition input to the radio, fuse #14 (15Amp) supplies power to the clock and radio to keep radio memory alive.