Douglas:
I second Larry's motion. Chances are the grease is rock solid. The
mechanism is very simple and probably just needs to be cleaned.
After commuting for some time in a 65 MGB I would suggest investing
in RainX if you are facing any heavy rain. Getting adequate tension on the
wiper arms to clear the screen effectively is a lost art.
The two speed conversion is interesting, but not really necessary.
The high speed position is only used to fling the wiper blades at passing
SUVs
Kelvin.
ps. Note that power to the wiper motor is on with the ignition. The dash
operating switch grounds the other lead. If you are bench testing the unit
make sure your connections are correct, otherwise you will have a direct
short when the park switch is triggered. I'm guessing this may be your
problem.
>
> History: I am building (endlessly) a 1966 MGB roadster to be
> used as a daily
> driver. My wiper motor does work (sort of) in that it moves
> (under protest)
> ever-so-slightly whenever I connect it up. So, I need to
> have wipers that
> really do work. I am looking for usefulness, not necessarily
> originality.
> My setup is 2 wipers not 3.
>
> Questions: Should I...
>
> a) rebuild my single-speed unit ?
> how much should I expect to pay?
>
> OR
>
> b) upgrade to a later style 2-speed unit
> will this work with my original single-speed hardware?
>
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