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 Post subject: wiper switch/setup
PostPosted: Thu May 17, 2018 4:28 pm 
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Turbo EFI
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Joined: Wed Nov 23, 2011 11:07 am
Posts: 1971
Location: SF Bay Area
Car Model*: 67 dart 2 door hardtop
I have a '67 dart 270. The wiper switch is either messed up or the wrong one (many components on this car were replaced, not sure if it is the original switch, looks to have been swapped out previously). How do I know if my wipers are supposed to have a 2 speed or 3 speed setup? The switch on there now appears to have two speeds, but it doesn't return to the right spot. Does that mean it's the wrong switch or that it is bad? How do I determine what setup I have, part numbers on the wiper motor arms?

thanks all,

Brian

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 Post subject: Re: wiper switch/setup
PostPosted: Thu May 17, 2018 4:34 pm 
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Turbo Slant 6
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Joined: Mon Jan 12, 2015 5:55 am
Posts: 631
Location: Brightwood, VA
Car Model*: 1965 Plymouth Belvedere I
Well, the park problem could likely be a faulty ground. Make absolutely certain that the switch and the wiper motor are solidly grounded.
-Matt

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-Matt
http://www.MattmansMopars.com
Strive for Excellence, not Perfection.


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 Post subject: Re: wiper switch/setup
PostPosted: Thu May 17, 2018 6:29 pm 
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Board Sponsor
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Joined: Tue Oct 29, 2002 8:27 pm
Posts: 9523
Location: Salem, OR
Car Model*:
I would confirm what Matt said, first.

The two styles of mopar wiper motors are pretty easy to spot... the 2 speed motor, extends from the firewall and is about the size of a beer can
(the late ones are typically painted black). The Variable speed motor is flat and the motor is at a 90 degree angle off the transmission housing.


3DSpeed/Variable



2 Speed

You will have to confirm the switch you have to match the motor and wiring harness.


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 Post subject: Re: wiper switch/setup
PostPosted: Fri May 18, 2018 7:23 am 
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Turbo EFI
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Joined: Wed Nov 23, 2011 11:07 am
Posts: 1971
Location: SF Bay Area
Car Model*: 67 dart 2 door hardtop
Great, I'll check the ground. Pretty sure I have the 2 spd, but will check. If those check out, on to the switch...

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 Post subject: Re: wiper switch/setup
PostPosted: Sat May 26, 2018 9:27 am 
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Turbo EFI
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Joined: Wed Nov 23, 2011 11:07 am
Posts: 1971
Location: SF Bay Area
Car Model*: 67 dart 2 door hardtop
Looks like I have the 3-speed variable type wiper motor, and the switch is a rheostat type variable speed switch. So, it could be the ground is insufficient. Don't these ground on the chassis, i.e. the body of the switch when attached to the dash makes the ground? I haven't pulled it yet to see if there is a separate ground wire. Will do though.

Brian

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 Post subject: Re: wiper switch/setup
PostPosted: Sun May 27, 2018 4:32 am 
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EFI Slant 6
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Joined: Fri Sep 01, 2006 4:09 am
Posts: 391
Location: Tolland, Ct. 06084
Car Model*: 65 Dart, 225, 4 spd od, hyd clutch, BBD, 2 1/4 exh
Quote:
Don't these ground on the chassis, i.e. the body of the switch when attached to the dash makes the ground


Normally a ground wire runs from the engine block over to the firewall (near the heater area of the firewall).
Perking that up by cleaning the connections and the firewall contact area might be a starting point.

_________________
1965 Dart 110k, 225, Carter BBD Super Six, 2 1/4 single exh., sbp manual scarebird front disc, 7 1/4 rear 2.94 sure grip, 14 x 4.5 OEM wheels, 833 OD with hyd. throwout bearing, HEI, electric fan, ram air/heated air, Accusump. http://plymouthcarclub.com/


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 Post subject: Re: wiper switch/setup
PostPosted: Sun May 27, 2018 4:42 pm 
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Turbo EFI
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Joined: Wed Nov 23, 2011 11:07 am
Posts: 1971
Location: SF Bay Area
Car Model*: 67 dart 2 door hardtop
Oh, thanks, that main ground is good, I was thinking about the ground for the wiper switch itself.

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 Post subject: Re: wiper switch/setup
PostPosted: Sun May 27, 2018 5:16 pm 
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EFI Slant 6
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Joined: Fri Sep 01, 2006 4:09 am
Posts: 391
Location: Tolland, Ct. 06084
Car Model*: 65 Dart, 225, 4 spd od, hyd clutch, BBD, 2 1/4 exh
I checked several Dart wiring diagrams with 66 being the closest to your car......in each case they show a ground wire coming from the multi-speed wiper motor that is #57 and is white.
They did not show a ground coming off the switch itself. If you have a shop manual for a 67 it would be helpful to know what the factory planned for your year.
Your mission might be to determine if the plan was followed & in good shape?

_________________
1965 Dart 110k, 225, Carter BBD Super Six, 2 1/4 single exh., sbp manual scarebird front disc, 7 1/4 rear 2.94 sure grip, 14 x 4.5 OEM wheels, 833 OD with hyd. throwout bearing, HEI, electric fan, ram air/heated air, Accusump. http://plymouthcarclub.com/


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 Post subject: Re: wiper switch/setup
PostPosted: Mon Jun 25, 2018 6:16 am 
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Turbo EFI
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Joined: Wed Nov 23, 2011 11:07 am
Posts: 1971
Location: SF Bay Area
Car Model*: 67 dart 2 door hardtop
Thanks, i'll do some testing/digging on info for my model. It looks like my car came with a factory rear window defogger as well but it was removed at some point.

b

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 Post subject: Re: wiper switch/setup
PostPosted: Wed Jul 04, 2018 5:03 pm 
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Turbo EFI
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Joined: Wed Nov 23, 2011 11:07 am
Posts: 1971
Location: SF Bay Area
Car Model*: 67 dart 2 door hardtop
OK, so I finally got up under the dash and it turns out there is a dark green wire (circuit V5) that goes nowhere. The wiring diagram says this goes to the variable speed wiper motor, but I can't find anyplace for it to go. The harness coming off the wiper motor has three wires (no green one). I assume this dark green is a ground, considering what you'all have suggested.

Here is a pic of the type of motor that I have:

https://www.flickr.com/photos/151192512 ... ed-public/

BUT mine doesn't have a green wire anywhere.

Note, I've seen this motor for sale on Ebay with and without the green wire, for example see here: https://www.ebay.com/itm/Mopar-Variable ... SwBmpbMjtO


Any suggestions? What gives?

Brian

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 Post subject: Re: wiper switch/setup
PostPosted: Wed Jul 04, 2018 7:27 pm 
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EFI Slant 6
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Joined: Fri Sep 01, 2006 4:09 am
Posts: 391
Location: Tolland, Ct. 06084
Car Model*: 65 Dart, 225, 4 spd od, hyd clutch, BBD, 2 1/4 exh
Go for the gold with this wiring diagram:
http://www.mymopar.com/downloads/1967/6 ... g_Full.pdf

Follow the lines from the wiper motor to the wiper switch terminals. It takes 3 diagrams to see how the brown, dark green, dark blue and red lines go thru the bulkhead connector a, b, c, d terminals and convert to v3, v4, v5, v6 in the instrument panel diagram and then the next diagram shows the terminals those lines hook to at the wiper switch.

The wiper switch also has 3 other wires hooking up.

Check for all wires being hooked to the proper terminals and that they have continuity from one end to the other end.....ie the bulkhead connector is connecting.

After you have confirmed the above you can move onto discovering where the voltage comes in and if the switch is sending it to the proper terminal of the switch.

Such fun!!!

What is the chance that your dark green wire is broken off of the bulkhead connector?

_________________
1965 Dart 110k, 225, Carter BBD Super Six, 2 1/4 single exh., sbp manual scarebird front disc, 7 1/4 rear 2.94 sure grip, 14 x 4.5 OEM wheels, 833 OD with hyd. throwout bearing, HEI, electric fan, ram air/heated air, Accusump. http://plymouthcarclub.com/


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 Post subject: Re: wiper switch/setup
PostPosted: Wed Jul 04, 2018 7:32 pm 
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Turbo EFI
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Joined: Wed Nov 23, 2011 11:07 am
Posts: 1971
Location: SF Bay Area
Car Model*: 67 dart 2 door hardtop
Hi Donpal,

yes, I have the '67 wiring diagram. it shows all the wires between the motor and the switch. The only thing is, it shows a green wire (V5) to the motor, but there is no green wire in the motor's harness. There is a green wire from a pigtail on the switch, but it goes nowhere. All other wires match color and destination. It appears from looking online that this motor came with and without the green wire. I'm asking if anyone knows the difference between the two configurations of motors.

brian

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 Post subject: Re: wiper switch/setup
PostPosted: Wed Jul 04, 2018 7:54 pm 
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EFI Slant 6
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Joined: Fri Sep 01, 2006 4:09 am
Posts: 391
Location: Tolland, Ct. 06084
Car Model*: 65 Dart, 225, 4 spd od, hyd clutch, BBD, 2 1/4 exh
According to this article 67 had both 2 speed or 3 speed wiper motors for Darts.

https://www.hemmings.com/magazine/hmn/2 ... 12121.html

I wonder if that is true and if the wiring changes as well?

_________________
1965 Dart 110k, 225, Carter BBD Super Six, 2 1/4 single exh., sbp manual scarebird front disc, 7 1/4 rear 2.94 sure grip, 14 x 4.5 OEM wheels, 833 OD with hyd. throwout bearing, HEI, electric fan, ram air/heated air, Accusump. http://plymouthcarclub.com/


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 Post subject: Re: wiper switch/setup
PostPosted: Wed Jul 04, 2018 8:03 pm 
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Turbo EFI
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Joined: Wed Nov 23, 2011 11:07 am
Posts: 1971
Location: SF Bay Area
Car Model*: 67 dart 2 door hardtop
My wiper motor is part number 2822963, which is the same as this: https://www.ebay.com/itm/Mopar-Variable ... SwBmpbMjtO

The '67 parts manual doesn't show that number for dart (or any '67 dodge for that matter) it has different numbers.

The '67 FSM shows 2 speed, 3 speed and variable speed part numbers.

B

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 Post subject: Re: wiper switch/setup
PostPosted: Thu Jul 05, 2018 3:20 am 
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EFI Slant 6
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Joined: Fri Sep 01, 2006 4:09 am
Posts: 391
Location: Tolland, Ct. 06084
Car Model*: 65 Dart, 225, 4 spd od, hyd clutch, BBD, 2 1/4 exh
Can you get a "good to use" 2 speed wiper motor for a test and hook it up to see if it works OK with the present wiring? If it worked, even without a special grounding effort, it would confirm that the wiring/switch you have is good to go at least with a 2 speed?
Then the issue would come down to how to hook up a different kind of motor to your wiring set. Otherwise it would be questionable wiper motor. Ruling out possibilities is one approach to a modified system diagnosis?

The hanging dark green wire suggests it's disconnected at the bulkhead connector? I have seen a wire do that...... that had evidence of a current overload.

_________________
1965 Dart 110k, 225, Carter BBD Super Six, 2 1/4 single exh., sbp manual scarebird front disc, 7 1/4 rear 2.94 sure grip, 14 x 4.5 OEM wheels, 833 OD with hyd. throwout bearing, HEI, electric fan, ram air/heated air, Accusump. http://plymouthcarclub.com/


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