In reply to a message from ktucker8 sent Fri 11 Jan 2008:
Hi,
If I remember correctly, there is a resistor in the switch
itself, which gives the current for the ‘‘slow’’ speed. No,
sorry, the wiring diagram seems to indicate that it is
inside the wiper motor, as there are five wires that go to
the wiper motor from the switch and one that comes from the
parking switch.
When I restored mine 12 years ago, it all worked fine at
first, but then, driving in rain, the slow speed stopped
working just like that. I also had to use the high speed,
but if I remember correctly I the rewired it so that both
positions would just run the slower speed, as I thought the
fast one was far too fast for my liking.
Fortunately the aerodynamics (maybe even more so in a SI 2+2
with the steeper windscreen) take care of most of the water,
so anything over 50mph in rain gets the windscreen clear of
water quite nicely and the slower speed takes care of the rest.
But if the wiper motor is unmounted and then opened I am
sure it can be fixed by replacing that resistor and/or
cleaning the contacts, maybe changing also the brushes etc.
I remember the linkage was a PITB to install, but the motor
should come loose without needing to uninstall the whole
wiper linkage.
Although this together with the clock is at the bottom of my
‘‘to do’’ list!
Cheers,
Pekka T. - 1E76372BW–
The original message included these comments:
On my way in today I flipped on the wiper switch and
then …nothing. I flipped it to hi speed and the wipers came on.
Flip back and forth between low speed and high and then it decided
to work on low. The switch feels stiffer then when I used it two
days ago and the wipers were working perfectly. Is there a way to
disassemble these switches and maybe clean the contacts? I don’t
want to go to the trouble of removing it from the dash and finding
out that I would have to replace it. Anyone know? I have the Series
1 flip style. Hope it isn’t raining on my way home tonite!Excellant
advise from this Forum as always appreciated!
Ken 66 2+2,1924 Model T Runabout, 1929 Graham Paige
–
MK 5 3.5L DHC, E-type 2+2 Ser.1, XJ6C Manual, XJ8 Executive
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