First thing I would try is use some contact cleaner on those switches.
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Tom Lins
St Augustine, FL
77 GM Rear Twin, Dry Bath, 455
Manuals on DVD
http://www.bdub.net/tomlins/
--
Tom Lins
St Augustine, FL
77 GM Rear Twin, Dry Bath, 455
Manuals on DVD
http://www.bdub.net/tomlins/