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I am getting to be like Vern, and I am just using my fax line. Have no
daughter at home anymore. But, why not just use the end of the shifter
shaft rail to operate a switch. When you shift into reverse, the shaft
goes back and seeing as how you have no expansion plugs there, just
machine some way to hold a switch. The old KISS method just may work
here.

Ron, should be going to bed

In a message dated 6/27/99 12:58:36 AM Central Daylight Time,
rlcook@... writes:

<<
I am getting to be like Vern, and I am just using my fax line. Have no
daughter at home anymore. But, why not just use the end of the shifter
shaft rail to operate a switch. When you shift into reverse, the shaft
goes back and seeing as how you have no expansion plugs there, just
machine some way to hold a switch. The old KISS method just may work
here.
>>
Thanks for the posts guys. As much as I would like to take credit for this
entire idea I have to admit that I got it from the Dana 20 I dismantled. It
had a switch mounted on the shift rail that would apparently light a light
somewhere when it was shifted into 4WD. Unfortunately the switch was too far
gone to be used. The end of the switch had a rounded end so it could slide
in and out of the machined grove. That sent me looking at the boss on the
Shift tower. You guys have to admit that it looks like it was put there just
for that reason. That in turn sent me pulling the shift rail out and sure
enough there is a machined beveled groove cut there for a detent ball to slip
into.

I'm not a rocket scientist, so I figured somebody else had already discovered
this, and made the required modification to make it work.

I don't know it the switch that was in the Dana opened or closed when the
button was released, but either way I figure I could wire it up to work.

Ron, I'm not sure if I have clearance to fit a switch on top of my tranny
because of the floorboard. If not, I think your installation on the end of
the rail would be a good alternate solution. Either way I'm going to try to
get backup lights on this thing by years end.

Rick S (TX)

That's basically the idea for how I rigged backup lights on the T-90
transmission in my wagon. I did it by making an angle bracket which is held
in place by the 2 rear transmission cover bolts. The bracket holds a
standard aftermarket starter push button switch up against the hole for the
first/reverse shift rail. The rail pushes in the switch button when the
shift lever is in reverse. I was afraid the push button might get clogged
with dirt, etc., and that such a simple set-up might not work for very long,
but 12 years later it still works perfectly every time.