Blower fan has no output. Temp guage not working

For blower motor check fuse hvac 20a int.panel and hvac 30a fuse in elect.center eng.compartment,if ok,check for 12v at blower connector if power is there fan is defect..temp.gauge check connection at unit if ok check resitance if it varies when engine warms up,if it doesnt vary replace unit,if it varies check wiring circuit,unit is place at drivers side of eng.block near sprk plugs.for hard to start;if check eng.light is not on could be in need of a tune-up depending on how long ago it was done,if check eng light is on or was on scan ecm for trouble code.