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Please help!!!! Answered

I am new to the site. First of all I would like to say that this site is great and it has a ton of helpfull information. My question is that on the tail lights of my car I have led lights. It already has the circuitry for to do its job of getting brighter when you hit the brake and it comes back to less bright when you have your parking lights on. The tail light has 2 sections 1) the park/brake light and 2) the turn signal. I would like to make my turn signal section to light up some what dim when I turn on my parking lights and then when I activate my turn signal to flash brighter. Is there anyone who can help me with this? I tried connecting to my parking light wire to see if it would work with a resistor but it did not. HELP!!!!

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Rishnai
Rishnai

12 years ago

I don't have any real experience with LED-based lights, but after wrestling with an ornery turn signal for a couple of months, I learned that sometimes the isssue is too LITTLE current. You could try reducing the resistance. This is probalby too involved to be worth it (generally I will only consider messing with a wiring harness if I have all the interior bits out of the vehicle), but you probably ought to tap into the parking light wire on the harness and run a wire to the turn signal unit as well. You might have to hook it up to a different fuse/relay in your fuseblock, which can handle more current. If you do that and the signal still won't work as a park light, try having the park lights on and then operating that signal. That might move the bi-metal switch to the closed position. Redesigning the wiring is generally best done with the car apart and all the wires and parts easily accessible, so that's why I don't do wiring on assembled cars. On an unrelated note, the brake-only light above the trunk on our Olds burnt out once 9actually, there were two bulbs in there, a left and a right, and it was the right that burnt out), and the right turn signal stopped working. It would turn on, but not off, so you had to flick the switch back and forth to flash it. On the Olds brake/tail/turn setup, the same lights are used for all those functions, so that "turn signal" meant "flash brighter", and would flash to the same brightness as the "brake light" setting. When you had your brakes and your signal on at the same time, the appropriate light would go "dim" and then back to "brake/turn bright," so it was tough to tell if you were signaling or pumping your brakes. Anyway, when I replaced the brake-only bulb above the trunk, the right turn signal problem cleared up. I know it's kind of off-topic and boring, but it might provide a little insight as to how the system might work. All it gave me was a headache.

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Domnican21
Domnican21

Reply 12 years ago

Thanks for the reply. I tried using a resistor hooked up between the parking light wire and the turn signal wire. It works but it seems like the power is going back to the parking light when I turn the signal on. It flickers. I will take some pictures so you guys can see.

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Rishnai
Rishnai

Reply 12 years ago

Perhaps add a diode?

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Domnican21
Domnican21

Reply 12 years ago

I don't know anything about diodes, but I will do a little bit of research on them.

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Bran
Bran

12 years ago

Is this merely for whimsy or are your lights currently really dim? And welcome! :-)

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Domnican21
Domnican21

Reply 12 years ago

on the part that is the parking/stop is dim when the parking lights are on. The turn signal part is bright when you turn it on and flashes. I would like it to turn on dim when the parking lights come on just like the stop