84 w/ AC has 2 speed fan.
See my Cave, Rad Fan
Just bypass resistor if bad but sounds like motor is bad too.
motor should not have resistance moving by hand.
Bad motor can kill resistor and relay.
Check G101 and G102 too.
See my Cave, Wire Service
and Electric Motors
Dr. Ian Malcolm: Yeah, but your scientists were so preoccupied with whether or not they could, they didn't stop to think if they should.
The Ogre's Fiero Cave (It's also at the top and bottom of every forum page...)