[Brian in Tucson]

Take the relay out and check for corrosion on the connector blades. I had to replace mine to get the motor to work. Replaced the hand brake switch, too. My clamshell recently jammed in a closed position, I had to lift the clamshell by hand and prop it up with 2x6 blocks--then unbolt the clamshell from the linkage arms. With the clamshell removed, you can get to the transmissions and the motor.