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David Williams wrote:
>> The OD unit has a switch on its left side that has a rubber
cap on it and a wire connected to it....
More to the point, this is a solenoid. It is a cylinder about four
inches tall and 1-1/4 inches in diameter. There is a rubber cap
on the top with a wire coming out of it. It is mounted vertically on
the left side of the overdrive unit.
>> BTW...addding an OD is not too big a problem as most (not the early ones)
are interchangeable and can be added (assuming you can locate a suitable
OD
unit)
You will also need a gearbox with the correct mainshaft for an
overdrive, or you
will need to rebuild your existing gearbox and install an overdrive
mainshaft (that's
what I did). You will also need an adapter plate to bolt the overdrive
to the gearbox.
This may or may not come with your used overdrive unit.
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