Thanks for all the tips.
David - I will download MGB catalog from Moss & check those instructions.
Frank - Is the green wire you describe the green wire going TO the tach,
connected to the spade terminal, or is there suppose to be a green
wire INSIDE the tach (which mine does not have)? Just want to be clear.
Thanks.
Paul or Frank - I had thought about installing "guts" of negative ground
tach into my tach case to get right size. I had a concern with neg tach
I have, ... tach is 8,000 rpm gauge, so wouldn't it read incorrectly
with a 7,000 rpm face?
Thanks again for suggestions.
Jim Rogers
San Juan Capistrano, CA
Frank Clarici wrote:
> Another conversion is to take a later smaller - grd tach,
> remove the guts from the housing, a bit of dremel work to the larger
> housing
> and the smaller guts will screw right in.
> Swap the face plate and needle from the larger tach and you now have
> a neg ground tach. This also eliniates the white wire loop as it is
> internal in the later tachs. Just cut your existing white wire and plug
> each end onto the 2 plugs on the tach. Green wire goes to the same spade.
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