Here's a couple sites talking about this subject. If one has an extra 420 tower, the 2nd site's idea might be worth trying out.

http://www.kinzers.com/don/landcruiser/sm420rev_switch/

http://www.kinzers.com/don/landcruiser/sm420rev_switch/sm420_sender.jpg

http://members.aol.com/toy4x4s/hole.htm

Sounds like a good project.


Craig

My '50 Chevy 3100 5 window, '62-235cu, 3:55 rear
My truck ....... Respect The Rust
If I'm not working on my truck, '65 m00stang or VW camper, I'm fishing with the wife or smoking Salmon.