'70 Windshield wiper switch problem
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Junior User
Joined: Dec 2003
Posts: 90
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From: Eckert, CO
'70 Windshield wiper switch problem
Just installed a new washer box and motor (Fits '73 to '79) worked fine for a few days then quit. Bought a new switch but didn't solve the problem, can jump to the washer motor and it works fine, wires from switch to pump check OK, power to switch is good (Orange wire at switch). This has me scratching my head in frustration. Does anybody have any ideas about this? The only thing that I can think of is the switch I bought is also bad, Is there a way to check the switch? Thanks for any help with this.
pcwb
pcwb
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Junior User
Joined: Dec 2003
Posts: 90
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From: Eckert, CO
Faithful Old Road Dog
Tomorrow I'll do that, I searched about this and discovered a thread that I think you participated in about putting a intermitent switch in, I have a '78 Bronco ,so I am going to try that switch, if it works I'll pick up a new one. Did you (if you did this?) have any issues with this swap? I was unsure about the relay that was mentioned in one of the threads, I thought that the delay switches were self contained. It sure would be nice to have delay wipers on this old truck. Thank you for taking time to reply.
pcwb
Tomorrow I'll do that, I searched about this and discovered a thread that I think you participated in about putting a intermitent switch in, I have a '78 Bronco ,so I am going to try that switch, if it works I'll pick up a new one. Did you (if you did this?) have any issues with this swap? I was unsure about the relay that was mentioned in one of the threads, I thought that the delay switches were self contained. It sure would be nice to have delay wipers on this old truck. Thank you for taking time to reply.
pcwb
Elder User
Joined: May 2003
Posts: 520
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From: california
I did the swap for the intermittent wipers. I've been really happy with it especially since the rainy season is underway. The only issue I had was getting power to the washer motor from the switch. I don't recall which wire I switched, but I outlined it in one of the old threads. it might be the thread that you found (search under "wiper delay"). It was pretty much plug and play. The intermittent wiper system consists of the intermittint switch, delay box and wire harness.
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Joined: Feb 2004
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Here is how my wires match up.
Truck harness to wiper switch/relay pigtail
orangle/white - black/green dash
orange/yellow &
brown/green - EMPTY
lime - black/white
blue - blue
black - black
white - white
red - red
My washer has a lime and a black wire coming from it. I don't think the black comes back to the plug, but I am not for sure. Lat me know if you have the same wire color combos.
Truck harness to wiper switch/relay pigtail
orangle/white - black/green dash
orange/yellow &
brown/green - EMPTY
lime - black/white
blue - blue
black - black
white - white
red - red
My washer has a lime and a black wire coming from it. I don't think the black comes back to the plug, but I am not for sure. Lat me know if you have the same wire color combos.
