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Making Sense Of Wiring In A Home Made Child’s Toy Car


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wamphray 
Member - Posts: 8
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Joined: April 26, 2021
Location: United Kingdom
Posted: April 29, 2021 at 6:25 AM / IP Logged Link to Post Post Reply Quote wamphray
I did but not well enough, I guess. So I cleaned all the terminals as thoroughly as I could, and ran all 16 of the tests again. The only readings I found were as follows:
In Lever position 2: There was a reading between terminals 1b and 2   
        and between terminals 3 and 4
In Lever position 4: There was a reading between terminals 1a and 3
        and between terminals 2 and 4
No other terminals showed any connections in any of the four lever positions.
To help me understand it, I did another wee diagram which I'll post in case it helps. The lever positions show with the forward/reverse positions as I remember them when the car worked.
Thanks again for your help. I really appreciate it.
Making Sense Of Wiring In A Home Made Child’s Toy Car - Page 2 - Last Post -- posted image.
i am an idiot 
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Posted: April 29, 2021 at 11:54 AM / IP Logged Link to Post Post Reply Quote i am an idiot
That is enough data. I will look at it tonight.
i am an idiot 
Platinum - Posts: 13,334
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: April 29, 2021 at 8:11 PM / IP Logged Link to Post Post Reply Quote i am an idiot
2 to one motor wire.
3 to the other motor
Power to 1a and 1b that explains the jumper.
Ground to 4.
If it goes backwards when in forward and goes forward when in reverse, simply reverse the 2 motor wires.
wamphray 
Member - Posts: 8
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Joined: April 26, 2021
Location: United Kingdom
Posted: April 30, 2021 at 12:41 PM / IP Logged Link to Post Post Reply Quote wamphray
Thank you for your help. I do appreciate it.
T4 is already occupied by a wire from the solenoid (which is live when the on/off switch is activated).
I ran wires as per the diagram below, with the For/Rev switch in Position 2 and it drove the motor forward.
When I moved the lever to Position 4, and connected T3 to the motor (wire c) it also drove the motor forward.Making Sense Of Wiring In A Home Made Child’s Toy Car - Page 2 - Last Post -- posted image.
Making Sense Of Wiring In A Home Made Child’s Toy Car - Page 2 - Last Post -- posted image.
i am an idiot 
Platinum - Posts: 13,334
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: April 30, 2021 at 8:13 PM / IP Logged Link to Post Post Reply Quote i am an idiot
4 to power
1a and 1b both get ground.
2 to one wire of the motor
3 to the other wire of the motor.
wamphray 
Member - Posts: 8
Member spacespace
Joined: April 26, 2021
Location: United Kingdom
Posted: May 02, 2021 at 12:27 PM / IP Logged Link to Post Post Reply Quote wamphray
Bingo! - as we (used to) say in the UK. It's works as it did back in the old days.
If you lived near here,I'd buy you a pint .. best I can do is send you a picture of one.
Thank you so much for your help.
Making Sense Of Wiring In A Home Made Child’s Toy Car - Page 2 - Last Post -- posted image.
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