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12-12-2018, 10:43 PM | #1 |
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Join Date: May 2010
Location: Napier New Zealand
Posts: 931
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Tail light problem
Just replaced stoplight switch with the new correct one, and also replaced tail lights with LED version. Problem now is both stop and tail lights come on when braking or if the lights are on, appreciate any ideas on where to start looking....
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1928 Roadster (CA67) 1931 Deluxe Coupe RHD 1931 Victoria RHD Model A's don't leak oil they just mark their territory. |
12-12-2018, 11:19 PM | #2 |
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Join Date: Jun 2017
Location: Walla Walla, WA
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Re: Tail light problem
My opinion is that somewhere along the way, both light wires are touching each other or they are being connected to each other somehow.
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12-12-2018, 11:45 PM | #3 |
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Location: Young Harris, GA
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Re: Tail light problem
Bick, I think that is how the LED lights are wired, to have all of the LEDs come one. See if they look dim when serving as tail light and brighter when acting as a brake light. If so, that's correct.
I'm not sure if you can get only the bottom segment of the LEDs to light up when serving as tail light and the upper section to light up separately when the brakes are applied. That would be cool. You should also check the ground on the tail light housing, especially where it attaches to the fender. Bad grounds result in all kinds of funny behaviour with lights. Good luck.
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Jim Cannon Former MAFCA Technical Director "Have a Model A day!" |
12-13-2018, 07:54 AM | #4 |
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Location: Largo Florida
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Re: Tail light problem
Some of the lights [ can't remember the brand] have the upper and lower lights connected requiring the wire between them to be cut. That should be with the literature.
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12-13-2018, 08:51 AM | #5 |
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Location: Midland Park,N.J.
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Re: Tail light problem
I would surmise if you did not have the problem before it is the taillight wiring.
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12-13-2018, 08:58 AM | #6 |
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Re: Tail light problem
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12-13-2018, 09:38 AM | #7 | |
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Location: N. GA
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Re: Tail light problem
Quote:
On my LED tail lights there is a green wire (if I remember correctly) that has to be cut in order to separate the upper and lower LEDs. I have 4 of these lights and only 1 had the instruction sheet with all the options available. TerryO |
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12-13-2018, 02:36 PM | #8 |
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Location: Napier New Zealand
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Re: Tail light problem
Thanks guys, for the great advice. Yesterday when I was checking them it was a bright sunny day. I rechecked this morning in the dark, and yes they are brighter when the brake is applied. I also hunted out the original packaging...." If all else fails, check the instructions!" And they are designed this way. Thanks again and Merry Christmas everyone.
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1928 Roadster (CA67) 1931 Deluxe Coupe RHD 1931 Victoria RHD Model A's don't leak oil they just mark their territory. |
12-15-2018, 10:54 PM | #9 |
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Join Date: May 2010
Location: N. GA
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Re: Tail light problem
Here is a scan of the instructions that came with one of my LED tail lights. They are made by United Pacific and they are USA made. I bought them from Mikes.
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12-16-2018, 01:27 PM | #10 |
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Location: Tocumwal, NSW, Australia
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Re: Tail light problem
Problem solved.
I have been concerned for some time now about being seen by approaching traffic. I had stuck those adherent reflector tapes on the rear of both my Tourer and Ute. they are most effective. However I want more (the Oliver syndrome) so I called a supplier of A parts to buy some LED bulbs for my tail lights. He suggested I go to a bicycle shop and purchase one of those pulsating red lights one sees on push bikes at night. They have, he said, a long life battery, he turns his on for each drive and hardly ever changes the battery. What a good idea.
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I know many things, But I don't know everything, Sometimes I forget things. And there are times when I have a long memory. Last edited by woofa.express; 12-16-2018 at 01:33 PM. |
12-17-2018, 01:40 PM | #11 |
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Join Date: Dec 2014
Location: Shawnee, Ok
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Re: Tail light problem
I think you have some wires mixed up
1st: Be sure to identify which wire is brake/tail light (should be 3 wires) 2nd: Hook your brake lights up and get them working correctly 3rd: Hook your tail lights up and get them working correctly >Final test will be they all work correctly together.
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Keith Shawnee OK '31 SW 160-B |
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