This is a 12 hour clockwise rotation manual timer for your Lestermartic Battery Charger. This timer will not work for Lestronic II Chargers or E-Z-GO Chargers.
A manual timer must be manually set by hand to a turn the battery charger offer in a certain number of hours. The know is turned to this desired number of hours and then "ticks" backwards until the time has expired to shut down the charger.
This manual timer can be used on the following golf cart chargers:
Club Car, Factory Part # 1012105
Harley Davidson/Columbia, Factory Part # 66507-69
Cushman New Style Lester Chargers, Factory Part # 815955
Taylor Dunn, Factory Part # 79-805-00
Check out some additional troubleshooting information on Chargers.