Ohiomike, try this
http://www.toyeast.com/v2/prodlist.asp?catid=911
If the link doesn't work go to
www.toyeast.com click on RC, then tanks, then WSN to find it.
I have some pics at
www.rctc.co.nz under dispatches, also have started a 'how to' article to upgrade with Tamiya electronics in th 'Motor Pool' section.