After car sat from November to June, the headlights do not come up most of the time. They always go down. Do I need a new control module?

Likely no...

Give 1 turn loose when they stop then try.

If that help... Just lube it/them.
Ball bearing, hidden on top of adjust screw at bottom end of unit likes to bind and need cleaning and oil.

Be very carefully or it's easy to lose the bearing.

Do Not torque the bearing. Motor shaft does have a bit of play.

See my Cave, Gen 2 HL Motor

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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.
(Jurassic Park)

The Ogre's Fiero Cave (It's also at the top and bottom of every forum page...)

Thank you very much sir. I will try that.

Does the motor run but the lights don't come up?

Could just be bad "slugs" in the gear box.

No the motors don't run at all.

Both are doing the same thing? If so then I'd pull the control module and carefully open it up. It's sealed with some rubber/tar like stuff.
Look the board over for any burn marks by the Mosfets. (look like transistors if you know what they look like)
If the board looks OK then next I would remove the cover from the relay in the middle of the board and clean the contacts by rubbing some note card like cardboard wet with alcohol between the contact and then give it a try. Have had the contact get dirty and cause problems before.

If you find burn marks then you will have to replace or repair the module. You might test run the motors to see if they have any issues.

[This message has been edited by Dodgerunner (edited 07-01-2013).]

May times One motor is "dead" but both can happen.
If you release some tension and motors work then motors need help.

Lack of lube etc will add up load over time. Module think the motor(s) has a problem and shuts down. You Want this! W/o that the motor etc can fry, even melt or catch fire.

You can look at the module... DIY fix on the module is a bad idea most times. You can fix the relay but anything burning/fried then get another module.
Most cases a fried MOSFET is a symptom for other problem. Fixing a symptom can work but can/will bite back...

Bearing can "wear" giving motor too much play and motor can stop working when it as big load. Motor need a bit of play.

PM sent to orgre