Blower motor

[66383]

Heater on my 66 Satty won't blow on HI, all other speeds work fine. Is there a hi blower relay somewhere? I don,t see any thing in FSM. This a non-ac car. Thanks in advance guys.

 

[dadsbee]

Resistor "bridge" in the air box.

 

[66383]

Thank you dadsbee, hope all is well with u guys!