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01-10-2022, 11:23 AM | #1 |
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Non-traditional wiring of Turn Signals on 1939 Ford Covertible
I plan to install Fog Lights on the Front Bumper and Parking/Turn Signal lights (1.25" x 2.25") (Non-Original) on the Rear Bumper and use them as Turn Signals Only. Additionally I plan to install a separate fuse box mounted on the inside firewall and wired to the 12V Battery. In other words this turn signal system will be completely separate from the car's stop light wiring system and the headlamp parking light system.
What concerns me is that I have a 12V Positive Ground and its effect on my wiring scheme, since All Four Turn Signal Lights will be grounded on the front and rear bumpers. I suppose I could run one wire from each light to the negative side of the fuse block assuming that I connect the fuse block to the battery in the traditional pos to pos and neg to neg way. Now, how I would wire up the switch on the steering column and the 12V flasher? I might be overthinking this problem! Looking for advice! Also not concerned with the four way flasher............THANKS!
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01-10-2022, 12:23 PM | #2 |
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Re: Non-traditional wiring of Turn Signals on 1939 Ford Covertible
Unless the lights don't work you should be alright without separate ground wires.
JMO Paul in CT |
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01-10-2022, 09:26 PM | #3 |
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Re: Non-traditional wiring of Turn Signals on 1939 Ford Covertible
The fact you have + ground should not effect anything as long as you use normal components.
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01-10-2022, 10:27 PM | #4 |
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Re: Non-traditional wiring of Turn Signals on 1939 Ford Covertible
biggest problem I have had with wiring lights on bumpers is the grounds! rusty bolts/frame/bumper irons to solve this I do run a deticated ground wire from the light to a good clean spot on the frame
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01-10-2022, 11:07 PM | #5 |
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Re: Non-traditional wiring of Turn Signals on 1939 Ford Covertible
If your 12 volt system is POS ground (unusual situation) you would wire your turn signals POS ground.
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01-10-2022, 11:13 PM | #6 |
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Re: Non-traditional wiring of Turn Signals on 1939 Ford Covertible
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01-11-2022, 08:31 AM | #7 | |
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Re: Non-traditional wiring of Turn Signals on 1939 Ford Covertible
Quote:
TomO My 12V system IS a Positive Ground System. I believe you are correct. Thanks
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01-11-2022, 08:36 AM | #8 | |
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Re: Non-traditional wiring of Turn Signals on 1939 Ford Covertible
Quote:
Fordor41 Roger That and Thanks! Wilco
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01-11-2022, 09:01 AM | #9 |
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Re: Non-traditional wiring of Turn Signals on 1939 Ford Covertible
If you keep the entire system 12V positive ground you will need a compatible flasher, such as this one from Moss Motors (a large supplier for old British cars):
https://mossmotors.com/led-flasher-unit-positive-ground I used this when adding turn sigs to my '67 Triumph TR6R motorcycle which is 12V positive ground, it works well Adam
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01-13-2022, 09:33 AM | #10 | |
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Re: Non-traditional wiring of Turn Signals on 1939 Ford Covertible
Quote:
Adam Thanks I clicked on the link you gave me and also called Moss Motors in CA. He said this one is for LED light bulbs. Also said that flashers are not grounded. I am going to try a $4.00 flasher from NAPA
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