After much effort, I got the wiper motor and switch working as they should.
Ed, a list member, sent me the following information:
The green wire is always connected to 12V, thru the fuse of course.
For High Speed, ground the R/LG wire.
For Low Speed, ground the R/LG wire and the N/LG wire.
That is the way it works in the TR250. It sounds like other Triumphs do
it differently.
But now, I have discovered a new problem - isn't that the way it always
goes!
The passenger wheel box assembly wobbles when the wiper is running. It
wobbles less when the windshield is wet, but it still wobbles.
I have tightened the nut as much as I dare - it helped, but it still
wobbles.
The first thing I did in this process was to pull the wiper rack cable
out, cleaned and greased it and put it back in. I did not do anything
to the wheelboxes, thinking the grease on cable would take care of the
wheel boxes.
Do I need to get new wheelbox fittings? Will that help? Is there
anything else that holds them in place?
Thanks,
Roger
On 01/11/2015 10:35 PM, Randall wrote:
>> Thanks for the description Randall! I had been using Greg's
>> method. I am pretty sure I found the green one, but I blew a
>> couple of fuses in the process.
>>
>> I think there is something wrong with the motor, it only runs
>> with one of the terminals grounded. But I am going to be
>> more careful in my tests now that I have Randall's instructions.
> Thanks for the vote of confidence, but I fear it may be unmerited. I was
> relying on Dan's description of how the low/high speed
> works as I've never owned a TR250. I know Lucas did it different ways on
> different motors, so I just assumed Dan had it right for
> the TR250.
>
> But another list member has written me off-list, saying that the TR250 uses a
> different arrangement than the one Dan gave. If what
> he says is true, then likely everything I just said is wrong. Obviously, I
> need to do some research, but don't have time at the
> moment.
>
> Sorry for the confusion.
> Randall
>
>
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