Larry, no ground in the door, just two wires. Try applying power both ways.
There are mechanical reasons this could happen. Commonly a plastic slider fails. A cable and pulleys are also involved, cable could part. Make sure you don't have a dirty switch in the center console! -- Max Dillon Charleston SC '87 300TD '95 E300 _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com