Delay wiper conversion questions
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Senior User
Joined: May 2010
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From: Fair Grove, MO
Delay wiper conversion questions
Okay so all I've been reading is how easy peasy this conversion is but mine, not so much. I have a '66 with the single speed motor and I've purchased the correct two speed motor, the delay box and the correct switch. Everything plugs in correctly except my wiring from the fuse box. There is no place left to plug into. There is one male spade that is unused on the delay box pigtail and the orange wire with the male bullet connector on the wiper motor pigtail which I believe is the hot wire for the motor. The wiring from the fuse box is a 4 female staggered flat. So tell me how this is a plug and play?
Senior User
Joined: Mar 2021
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From: WV
Okay so all I've been reading is how easy peasy this conversion is but mine, not so much. I have a '66 with the single speed motor and I've purchased the correct two speed motor, the delay box and the correct switch. Everything plugs in correctly except my wiring from the fuse box. There is no place left to plug into. There is one male spade that is unused on the delay box pigtail and the orange wire with the male bullet connector on the wiper motor pigtail which I believe is the hot wire for the motor. The wiring from the fuse box is a 4 female staggered flat. So tell me how this is a plug and play?
Laughing Gas
Joined: Nov 2001
Posts: 1,062
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From: Edmonton, Alberta
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Senior User
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From: Fair Grove, MO
Cargo Master
Joined: Apr 2001
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From: Vancouver
I'll answer your PM here too.
"Do you remember what your single speed connector looked like? Where did you get power from if you didn't plug into the fuse box? I'm assuming your single speed wiring was compatible with the delay connectors? - 69supercj"
You have tested my memory and it has failed. I don't remember what the single-speed connector looks like, but I think it doesn't matter.
I removed the single-speed switch, the motor, and the harness between them. I replaced all that with '66 parts: two-speed switch and matching motor and harness. Those parts went in without any issues. Obviously, I plugged in the "new" switch to a power source, and I don't remember having a problem. I tested the system - I had an operating two-speed system. Then I did the modification, swapping out the two-speed switch I had just installed, and adding the module. It all worked.
Power does not come from the fuse panel, it comes from the ignition switch, but maybe indirectly from a splice. I don't remember that either.
No - I recall that the single-speed wiring is not compatible with the intermittent box.
I will have a look under the dash later to see if my memory is jogged.
This is a very simple installation that is not well understood.
Eric.
"Do you remember what your single speed connector looked like? Where did you get power from if you didn't plug into the fuse box? I'm assuming your single speed wiring was compatible with the delay connectors? - 69supercj"
You have tested my memory and it has failed. I don't remember what the single-speed connector looks like, but I think it doesn't matter.
I removed the single-speed switch, the motor, and the harness between them. I replaced all that with '66 parts: two-speed switch and matching motor and harness. Those parts went in without any issues. Obviously, I plugged in the "new" switch to a power source, and I don't remember having a problem. I tested the system - I had an operating two-speed system. Then I did the modification, swapping out the two-speed switch I had just installed, and adding the module. It all worked.
Power does not come from the fuse panel, it comes from the ignition switch, but maybe indirectly from a splice. I don't remember that either.
No - I recall that the single-speed wiring is not compatible with the intermittent box.
I will have a look under the dash later to see if my memory is jogged.
This is a very simple installation that is not well understood.
Eric.
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Lead Gopher
Joined: Aug 2012
Posts: 10,021
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From: Seattle
Somewhere back in time there must be some better instructions for the single speed to two speed conversion. I see in this thread from 20 years ago that they were discussing the delay and washer some.
65 F100 window washer? - Ford Truck Enthusiasts Forums (ford-trucks.com)
One of the guys in that older thread seems to also be in this newer thread. Nice to see some consistency....
65 F100 window washer? - Ford Truck Enthusiasts Forums (ford-trucks.com)
One of the guys in that older thread seems to also be in this newer thread. Nice to see some consistency....
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From: Vancouver
I had a look under the dash. I don't have any news.
The discussions from the olden days didn't settle it for me or others with a single-speed. There was mention of potential problems with the Bosch 2-speed motor. I now think that's irrelevant.
So, as described above, I swapped everything, so I was starting at the same place as the guy in the Fordification how-to. I also became reasonably sure I didn't have a Bosch motor.
A couple of thoughts for the single-speed guys: At one point in the discussion, I thought the different motors used different-length crank arms. I think I was wrong about this, but I somehow got a wrong arm in my system and it made everything much more complicated. Also, there are guys out there who will pay money for the single-speed components.
Eric.
The discussions from the olden days didn't settle it for me or others with a single-speed. There was mention of potential problems with the Bosch 2-speed motor. I now think that's irrelevant.
So, as described above, I swapped everything, so I was starting at the same place as the guy in the Fordification how-to. I also became reasonably sure I didn't have a Bosch motor.
A couple of thoughts for the single-speed guys: At one point in the discussion, I thought the different motors used different-length crank arms. I think I was wrong about this, but I somehow got a wrong arm in my system and it made everything much more complicated. Also, there are guys out there who will pay money for the single-speed components.
Eric.
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Senior User
Joined: May 2010
Posts: 306
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From: Fair Grove, MO
I had a look under the dash. I don't have any news.
The discussions from the olden days didn't settle it for me or others with a single-speed. There was mention of potential problems with the Bosch 2-speed motor. I now think that's irrelevant.
So, as described above, I swapped everything, so I was starting at the same place as the guy in the Fordification how-to. I also became reasonably sure I didn't have a Bosch motor.
A couple of thoughts for the single-speed guys: At one point in the discussion, I thought the different motors used different-length crank arms. I think I was wrong about this, but I somehow got a wrong arm in my system and it made everything much more complicated. Also, there are guys out there who will pay money for the single-speed components.
Eric.
The discussions from the olden days didn't settle it for me or others with a single-speed. There was mention of potential problems with the Bosch 2-speed motor. I now think that's irrelevant.
So, as described above, I swapped everything, so I was starting at the same place as the guy in the Fordification how-to. I also became reasonably sure I didn't have a Bosch motor.
A couple of thoughts for the single-speed guys: At one point in the discussion, I thought the different motors used different-length crank arms. I think I was wrong about this, but I somehow got a wrong arm in my system and it made everything much more complicated. Also, there are guys out there who will pay money for the single-speed components.
Eric.
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