Spin motor 1 turn then turn on HL.
Spin now then you have motor problems.
install test light on module side connector. Light wires must contact both pin and nothing else or short the pins. Doing either will fry the module.
Turn on HL.
Light should turn on for ~5sec then turn off.
turn off HL.
Light should repeat same.
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...)