On/Off Wiper (1. speed) no automatic park position? - Alfa Romeo Bulletin Board & Forums
 
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post #1 of 9 (permalink) Old 08-31-2018, 07:07 AM Thread Starter
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On/Off Wiper (1. speed) no automatic park position?

Hi There,

My '67 Junior is equiped with on/off windscreen wipers... either they're on... either they're off (no fast speed, no intermitent).

my dash two way toggle switch, activates or stops the wipers... so far all normal for a series 1.... but actually I was wondering if there was something alfisticial meant to be like a soft landing automatic park modus for the wiper arms to their lowest position, in shot down position

... or was this kind of function just to consdidered as plain luxury for decadent JAG-RR-MB-Drivers....and thus far to unsporty for the real hairy chested Alfisti i.e long haired, red-lipsticked-fingernailed Alfista?

I ask because, for now I always have to catch the exact switch-off moment as to have the arms in their slowest position possible, otherwise they just stop randomly within the windscreens surface.

This entertaining game is of course a challenging training to maintain my ninja like reflexes/jerks... but its a bit annoying to be honnest.

Any light on this question is appreciate.

Thomas

Thomas Linser
(Jan 1967 1300 GT Junior, in bluette w/oxblood skai inetrior)
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post #2 of 9 (permalink) Old 08-31-2018, 09:25 AM
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Your wipers should park, but I don't think a '67 would have 2-speed operation and certainly not intermittent.

The mechanism in the wiper motor-transmission unit that handles the park function may be worn out - it consists of tiny, brass contacts and they do fail with wear. Or your motor may be wired incorrectly - there should be a source of unswitched +12V to the motor that powers it between shutting off the dash switch and reaching the park position.

Lot written on the BB about 105 wipers.

Jay Mackro
San Juan Capistrano, CA

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'67 Duetto
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post #3 of 9 (permalink) Old 08-31-2018, 09:45 AM
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My guess is that the park switch has failed and the PO has rewired it to "fix" the problem.

Ask me why I suspect this...

Tom

1963 Giulia Spider (1750 engine)
1974 GTV
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post #4 of 9 (permalink) Old 09-01-2018, 02:05 AM
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My 75 junior was the same when I got it.

The main reason was that the contacts on the foot operated washer pump were disconnected as it was a rusty mess, so worth checking if it is connected and the contacts in good shape - replacement pumps - or conversion to electric washer pump - available.

The wiper switch contacts weren't in good shape either - replacement switches available

And the previous owner had replaced the wiper motor - wrong type - and not connected all of the wires. Replacement motors available.

The wiring circuit is quite complicated, so worth tracking down the right one for your car, if you don't have it.

The wipers should run slow (position 1) or fast (position 2). When switching off they should park. When you press the washer button, it should trigger the wipers (fast). When you release the button, they should park. Intermittent is not featured

1975 GT Junior with 2 litre lump
2006 Subaru Impreza WRX
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post #5 of 9 (permalink) Old 09-02-2018, 01:34 PM
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Two suggestions.
First, don't drive in the rain. But it sounds like you do, so,....
Second, drive faster. Waaaaaay fasterrrrrrrr............... !

[B][I][U]Current[/U][/I][/B]
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post #6 of 9 (permalink) Old 09-03-2018, 12:10 AM Thread Starter
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Hi There,

thanks a lot for your input.

AFAIK a '67 or earlier (be it GT a GTV or a Junior) should only be equiped with a 1x speed on/off "tergicristalli"

I will investigate all tech' suggestions you were Kind enough to share and provide (Thanks a lot Malcom1 & Alfajay, Gubi).

1st Step: I will be to check out my Foot-Operated-Washer-Pump (I will try to find the correct match to the version I have currently in car)

2nd Step: I will investigate the Brass connectors on the wiper switches @malcolm1... where can one get these? I never noticed these on the web pages of the usual suspects

3rd Step: I will follow Yachtman's solution (although I do not drive in the rain...you know the story...alfa + water... well...).... I will go faster after washing the car )

Kind regards

Thomas

Thomas Linser
(Jan 1967 1300 GT Junior, in bluette w/oxblood skai inetrior)
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post #7 of 9 (permalink) Old 09-03-2018, 12:39 AM
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Regarding the switch, I meant that if there is a problem with the contacts, then replacement switches are available from the usual suspects
https://classicalfa.com/products.php...-TOGGLE-SWITCH

1975 GT Junior with 2 litre lump
2006 Subaru Impreza WRX
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post #8 of 9 (permalink) Old 09-03-2018, 01:22 AM Thread Starter
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Quote:
Originally Posted by Alfajay View Post
Your wipers should park, but I don't think a '67 would have 2-speed operation and certainly not intermittent.

The mechanism in the wiper motor-transmission unit that handles the park function may be worn out - it consists of tiny, brass contacts and they do fail with wear. Or your motor may be wired incorrectly - there should be a source of unswitched +12V to the motor that powers it between shutting off the dash switch and reaching the park position.

Lot written on the BB about 105 wipers.
Dear Jay,

I will do my homework and read myself through... but as always a picture is worth thousand words, do you by any chance have a picture to share of these "tiny brass contacts"

KR

Thomas Linser
(Jan 1967 1300 GT Junior, in bluette w/oxblood skai inetrior)
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post #9 of 9 (permalink) Old 09-03-2018, 01:26 AM Thread Starter
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Quote:
Originally Posted by malcolm1 View Post
Regarding the switch, I meant that if there is a problem with the contacts, then replacement switches are available from the usual suspects
https://classicalfa.com/products.php...-TOGGLE-SWITCH
Dear Malcolm,

Thanks for your reply about these Switches I knew these of course... No problem at all with these in my car they work as intended.

But thanks anyway.... I will start with your foot pump suggestion.... seems to be a good place to start with the investigations.

KR

Thomas

Thomas Linser
(Jan 1967 1300 GT Junior, in bluette w/oxblood skai inetrior)

Last edited by Toli0815; 09-03-2018 at 02:21 AM.
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