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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: 1941
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: 573
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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 Post subject: Re: wiper switch/setup
PostPosted: Thu May 17, 2018 6:29 pm 
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Joined: Tue Oct 29, 2002 8:27 pm
Posts: 9461
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: 1941
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: 1941
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: 384
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.

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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: 1941
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: 384
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?

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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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