Help.No heat . blows cold air.

[Wesley84mc]

Well my heat wasnt on high. It was on med-high . its not working on high and hasnt since i replaced the blower motor .any suggestions ?

 

[fleming442]

So, you lost the blower fan high speed? It's on a separate relay on the heaterbox, fed by a 10ga red, off a fusible link, off the starter. Check the 4 pin, black connector by the heater control valve- they get hot, goo up, and make a high resistance open. Just splice the 2 reds together.