how do you test a wiper motor?

Is there a simple way of testing whether a rear wiper motor
works by just connecting it direct to a 12v battery?

The motor has a 3pin and a 2pin connector attached to it.
It has 2 wires into the 3pin connector - one from the relay, one from the
switch,
Another wire loops from this 3pin connector to the 2pin connector
Another wire goes from this 2pin connector to earth

mystified
ray disco1998 300tdi

"ray newport" <[email protected]> wrote in
news:[email protected]:

> Is there a simple way of testing whether a rear wiper motor
> works by just connecting it direct to a 12v battery?
>
> The motor has a 3pin and a 2pin connector attached to it.
> It has 2 wires into the 3pin connector - one from the relay, one from
> the switch,
> Another wire loops from this 3pin connector to the 2pin connector
> Another wire goes from this 2pin connector to earth
>
> mystified
> ray disco1998 300tdi
>
>
>

Not sure I follow what you are saying but if I do (this Aussie Chardonnay
is great!<g>) it sounds as if you may have a dual speed wiper motor that is
wired to be single speed.

If it were mine, I would dismantle it and clean it before testing. Rear
wipers don't generally wear out because they don't get enough work. But
they do seize up through lack of work....

Derry