Re: Wiper motors - 2 speed -VS- 3 speed? (68 Charger)
[Re: 6bblgt]
#1467437
07/13/13 11:48 PM
07/13/13 11:48 PM
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Joined: Sep 2005
Posts: 6,516 Santa Cruz, California
Lefty
OP
master
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OP
master
Joined: Sep 2005
Posts: 6,516
Santa Cruz, California
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Quote:
The 2-spd wipers were STANDARD for the '68 Charger, 3-spd wipers were OPTIONAL (Req'd w/426 HEMI). the 2-spd switch has 3 positions: OFF-LOW-HIGH the 3-spd switch has 4 positions: OFF-LOW-MEDIUM-HIGH
Hmm... I read 2 speed was off-on and 3 speed was off-low-high. Waddya know, bad info off the Internet...
Thanks for setting me straight.
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Re: Wiper motors - 2 speed -VS- 3 speed? (68 Charger)
[Re: rowin4]
#1467441
07/14/13 11:07 PM
07/14/13 11:07 PM
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Joined: Dec 2007
Posts: 18,157 Mass
DAYCLONA
I Live Here
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I Live Here
Joined: Dec 2007
Posts: 18,157
Mass
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Quote:
So is it just the switch that makes the multiple speeds? or do you need a motor to match the switch also?
for the 68-70 B body, to convert from 2 spd wipers, you need the correct 3 spd wiper motor and 3 spd switch, the underdash harness already has provisions for the 3spd switch, kinda plug and play...
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Re: Wiper motors - 2 speed -VS- 3 speed? (68 Charger)
[Re: DAYCLONA]
#1467442
07/15/13 11:09 AM
07/15/13 11:09 AM
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Joined: Oct 2005
Posts: 8,881 Ontario, Canada
Stanton
Don't question me!
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Don't question me!
Joined: Oct 2005
Posts: 8,881
Ontario, Canada
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Quote:
So is it just the switch that makes the multiple speeds? or do you need a motor to match the switch also?
Good question.
On the two-speed motor assembly there is a resistor block (looks like a balast resistor) that slows the motor down. The dash switch sends power through the resistor on low speed or direct to the the motor on high.
On the three-speed motor the speed is controlled by the windings on the motor and the switch sends power directly to the appropriate winding for the selected speed.
To convert to three-speed you need the following: 3-speed motor 3-speed switch 3 speed wiper link/arm and bushing
"I think" you need to add a connector to the harness since the 2-speed has terminals on the motor and the 3-speed motor has a harness.
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