FORUM RULES UPDATED - The forum rules have been updated to continue to provide a friendly and safe environment for our member community. Please take a moment to review the updated rules and our terms of use and privacy policy. Click here for Forum Rules which has links to the 'terms of use' and 'privacy policy'.
Those wires might be for setting your max down travel. I seen it while researching my own issues. not sure of what unit it was but they said.
1 key on and lower unit to max
2 key off, join wires
3 key on, raise motor to desired max down travel
4 key off, disconnect wires and max down travel...