And here is the wiring diagram.
<a href="http://s102.photobucket.com/user/brianl_03/media/47overdrive_zps81f58ec8.jpg.html" target="_blank"><img src="http://i102.photobucket.com/albums/m81/brianl_03/47overdrive_zps81f58ec8.jpg" border="0" alt=" photo 47overdrive_zps81f58ec8.jpg"/></a>
This may look complicated but it's really pretty easy.
#57 to key on power
#58 to governor switch
Yes, it is that easy. If you decide to run an indicator light to show when it is on, add a wire to #58 and connect it to your light. I've been running mine this way for over 5 years with absolutely no trouble. Keep in mind.... NEVER try to put it in reverse in the overdrive position.
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