No... is not normal.
Module or more likely wires to it or HL switch have issues.
Make sure Parking/Tail lights work... Down for HL uses same taillight fuse.
Lube won't help this. Module Will kill power to motor(s) for any binding problem.
See my Cave, Gen 2 HL Motor
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...)