LED rear Turn Signal Light Issue - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 18 (permalink) Old 10-25-2005, 12:44 PM Thread Starter
 
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Question LED rear Turn Signal Light Issue

Well, I did the led resistor trick for the front signals. That did work. However, When I tried it in the rear, I get the fast LED blink. Any ideas on how to fix this. Again, I DID try the resistors on the rear and it doesn't seem to work. Any ideas? BTW

2000 ES
3.2L V6
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post #2 of 18 (permalink) Old 10-25-2005, 01:43 PM
 
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The left side and the right side should run together...what size resistor did you use?
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post #3 of 18 (permalink) Old 10-25-2005, 02:37 PM Thread Starter
 
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I used the 10 ohm that JoeKD used in his thread. Should I have them both hooked up at the same time? I did one on the front, tested it, and then did the other side. Do I need to do both, then try it?
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post #4 of 18 (permalink) Old 10-26-2005, 11:17 AM Thread Starter
 
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I tried it together and it didnt work.....what could I be missing here? I am adding the resistors right before the socket, just like I did up front. I am not grounding out on anything else.....hrmmm....
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post #5 of 18 (permalink) Old 10-30-2005, 08:35 PM Thread Starter
 
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Anyone? I really don't want these bulbs to go to waste...
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post #6 of 18 (permalink) Old 10-30-2005, 09:23 PM
 
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when you put the resistor in, did it make any difference. It might need a bigger resistor, but that's just speculating
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post #7 of 18 (permalink) Old 11-04-2005, 03:34 AM
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not sure if ya figured your problem out yet, but i figured i'd try to help. how are you wiring the resistor into the socket? are you cutting the turn signal power and connecting it inline? the corect way to wire the resistor properly is to attach one end to the turn signal power and to ground the other end of the resistor. I'm not sure what exact resistors you're using but they make ones deisgned for replacing your bulbs with led bulbs. i know they are available at superbrightleds.com. You could also try buying a variable load flasher relay. this kind of flasher will still flash at the same rate even with low reistance led bulbs.
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post #8 of 18 (permalink) Old 01-26-2006, 08:42 PM Thread Starter
 
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Fixed It!!!!!!


I know it's been almost 4 months since I brought it up, but I figured it out. I'm not sure why, but it required 2 resistors on each line in the back. I know that it works now though!!
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post #9 of 18 (permalink) Old 01-31-2006, 03:46 AM
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What is the purpose of the resistor when using LED's?
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post #10 of 18 (permalink) Old 01-31-2006, 08:50 PM
 
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the factory flasher unit is designed to work around so much of a load, normal incandesent bulbs have so much resistance/ampherage draw and the flasher is designed to work with this in mind. A led conversion bulb due to it's design has a dramaticly lower resistance/ampherage draw. When the factor flasher sees a lower resistance/ampherage draw it is usualy due to a burned out bulb, but again cause of the design/nature of led bulbs it will cause fast flash. Now to stop fast flash from happening load resistance needs to be placed on the system to simulate regular incandesent bulbs are being used, and thus is the use of the resistsors to trick the flasher into thinking it's got regular bulbs insteed of led's.
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post #11 of 18 (permalink) Old 02-01-2006, 02:45 PM
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Thanks.

So what resistance is required when going to an LED tail light.
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post #12 of 18 (permalink) Old 02-01-2006, 04:14 PM
 
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Only time a resistor is added onto the power wires is when it is a turn bulb, usualy a 10ohm resistor works but as noted in this post it might take two resistors.
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post #13 of 18 (permalink) Old 05-18-2007, 02:10 AM
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HOLY OLD THREAD! I know, i know...

I didn't feel like starting a new thread and getting flamed... also, this proves I used the search feature lol!

I'm FINALLY actually planning on replacing my head light lenses and bulbs, and in addition, probably doing my turn signals/brake lights in LED bulbs. I understand according the the official JoeKD method of fixing the fast-flash caused by the low resistance of the LED bulbs, I would need the resistor for the turn signal bulbs. I am relatively confident with that procedure... although, I have heard that when using decent LED bulbs for your brake lights, you shouldn't need a resistor... is this correct? Basically if someone could just put together a shopping list of what I need when replacing the turn signal bulb with a LED 'cluster' bulb, and also replacing the brake bulbs, that would be great. Also, I'm probably going to replace the side markers with LED bulbs too since they are ALWAYS blowing on me, I don't know why, just another intrepid quirk i guess. Also, I'm probly not even gonna bother doing the reverse lights in LEDs, so no need for help with that.

Any help would be great, and again, sorry its an old thread.

Josiah

Josiah Wentworth
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post #14 of 18 (permalink) Old 05-18-2007, 02:32 AM
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The only bulbs resistors are necessary for are your turn signals. They aren't necessary for everything else.

As far as the turn signals go.....you have 2 options. You can A) get the resistors or B) change the flasher. I went with B because I'm too big of an idiot to cut into my wiring. Tommorow I'm going to post a how-to for changing your flasher, so that you can have turn signals without resistors.
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post #15 of 18 (permalink) Old 05-18-2007, 02:35 AM
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Quote:
Originally Posted by IceDragon38
The only bulbs resistors are necessary for are your turn signals. They aren't necessary for everything else.

As far as the turn signals go.....you have 2 options. You can A) get the resistors or B) change the flasher. I went with B because I'm too big of an idiot to cut into my wiring. Tommorow I'm going to post a how-to for changing your flasher, so that you can have turn signals without resistors.
Ok, thats what I figured... I just wanted to doublecheck because when I was messing with my Tail Lights on the old intrepid, I'd put in the LED bulbs, and as soon as i stepped on the brake i'd blow the fuse... maybe it was because they were cheap APC bulbs. Probably wouldn't have the issue if it was a quality bulb? Any recommendations?

Josiah
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