LED Turn Signal Bulbs, hyper flashing (bulb out warning).....help? any fixes?

9124 Views 19 Replies 11 Participants Last post by ZXLNT, Jul 23, 2004

aleks77

Discussion Starter · Jul 3, 2004

Hey guys, i got these 19 LED 3157 Bulbs off ebay, and when i put them in, they hyper flash, indicating the bulb is not working, but they still work, i saw on ebay a resistor crap thing that fixes this, but i wanna get this done soon and dont wanna wait for it to be shipped - so does anyone know how this would be possible? Here are couple links to the ebay fixes:

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3188&item=5906829818&rd=1&ssPageName=WDVW
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=33713&item=7908100689&rd=1&ssPageName=WDVW

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88 LE

· #2 · Jul 3, 2004

Goto a store that sells electronic supplies and buy some resistors.

One of the links you posted says its a 6 ohm 50 W resistor. So go look for that.

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KoboChan

· #3 · Jul 3, 2004

or you can disconnect the bulb out warning indicator.. im not sure how.. but there should be a way..

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btrek

· #4 · Jul 3, 2004 (Edited)

KoboChan said:
or you can disconnect the bulb out warning indicator.. im not sure how.. but there should be a way..

i dont think there is somthing you can disconnect, someone told me once LEDs use less power so the circuit is 'shorter' and it makes the bulb blink faster. So the only way you can get it to stop is to buy a resistor or somethin like that

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Daffunda

· #5 · Jul 3, 2004

just go to your local radio shack. Don't buy those crap off ebay. They prey on the clueless people, especially those "intake resistor" crap.

Oh wow!!! This 10 dollar mod which actually costs 1 dollar will give you extra 20 horsepower!!!

But yeah, just buy a few resistors and wire them up.

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aleks77

Discussion Starter · #6 · Jul 4, 2004

ya i went to radio shack, it was $4 a resistor, and i would need 6 of them, and they would get VERY hot (as hot as a lightbulb) so i also need to connect them somehow together, im gonna go to an elcetronic store and see what they can do for me.

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kgasso

· #7 · Jul 5, 2004

Damn. I only paid about $4 for the 2 resistors I needed and about a buck for some electrical tape and T-tap wire splices. Went out on a break from work to wire them up, tape off the wiring points, then wrapped the whole thing in electrical tape... not even noticable really, since it was wrapped in shrink tubing before. Haven't had any heat issues even on hot summer days.

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chronoti

· #8 · Jul 6, 2004

try for ceramic resistors if heat a problem not the small little ones, but when you put in the resistor wouldnt you have to put it on the neutral line? it you put it on the postive line that would drop the positve voltage making it seem not as bright?

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Erbe

· #9 · Jul 6, 2004

i jus looked at LED replacements on ebay...when you put these in and replace your 1156 bulbs, will you actually see the individual LEDs or will it look the same as a regular 1156 bulb?

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CorollaKen

· #10 · Jul 6, 2004

You could also try www.superbrightleds.com
They sell all kinds (not just automotive).
I'm happy with my 194 Super Bright LEDS, but just keep away with the multi-LED bulbs

- (i.e. I bought 4 of the 194's that are actually made up of 4 smaller LED's on a tiny PCB) either something at the board-level broke or a bad connection happend somewere - but they failed after a short time. Get these ones

Here is your resistor thingy too $ 4.95 !!

Good luck

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aleks77

Discussion Starter · #11 · Jul 9, 2004

shit I bought 3.3 OHM 25 watt resistor and a 2.7 OHM 25 watt resistor, connected them in a series, and it still gives me a bulb out warning, when i put my regular bulb in it goes very very dim, i also tried connectin the regular bulb, and continue runnin the power to the LED one, the regular lights up but the led doesnt.

I need help, anyone got suggestions? I cant find 50 watt resistors anywhere......thanks! (need an electrition or a technition here hah)

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aleks77

Discussion Starter · #12 · Jul 19, 2004

ok so i got ONE of the resistors off ebay, here is what it looks like:

--------[__resistor___]---------

its just a resistors with 1 wire commin out of each end, now, how the hell do i connect it, i cut my power wire and it was somethin like this:

= - power wire
- - resistor wire

====-----[__R__]-----====(BULB)

now, when i put my regular bulb in this sytem, it BARELY blinks, which is what is supposed to happen, when i put the LED in it starts hypwer flashin, but if i put it in the other way, it dont blink at all.....but its not hyper flashing......can someone help?

Does the resistor have to be connected to the ground wire at all? Thanks a lot

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atobe

· #13 · Jul 19, 2004

i think the resistor you got is too high. use this http://wolfstone.halloweenhost.com/TechBase/litled_LEDCalc.html to help you find out which resistor you need and just buy them from radio shack. and no the resistor doesn't have to be connected to the ground

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aleks77

Discussion Starter · #14 · Jul 19, 2004

that calculator is hard......or im stupid, it told me i need 1/4 watt resistor :S

anyone else?

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chronoti

· #15 · Jul 20, 2004

wattage is more used for what kind of flow your gona want to put through it more like the size of the air pipe on your intake bigger pipe bigger flow, if you guys need around a 50 OHM, the you can do any combo till you get to 50OHM'S. the watts wount matter much in this case since it's "low voltage" (i blown 1/4 watt's before with 36 but not with 12) also i guess you want this on your NEGITIVE line since it's a negitive ground car your negitive line is what you reduce your flow on since your positive flow is what gives it the brightness that it needs. if i'm wrong then correct me.

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aleks77

Discussion Starter · #16 · Jul 20, 2004

ok so should i try connectin the resistor to the negative (ground) wire and see if that works? I will try this tommorow morning, hopefully wont blow any more fuses, and i will post my results, hopefully i get it working.

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88 LE

· #17 · Jul 20, 2004 (Edited)

chronoti said:
the watts wount matter much in this case since it's "low voltage" (i blown 1/4 watt's before with 36 but not with 12)

Watts do matter.

P (power) = I (current) x E (voltage).

I (current) = E (voltage) / R (resistance).

It all relates to each other.

If you try to draw to much current through a low wattage resistor, it'll fry.

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88 LE

· #18 · Jul 20, 2004

aleks77 said:
ok so should i try connectin the resistor to the negative (ground) wire and see if that works? I will try this tommorow morning, hopefully wont blow any more fuses, and i will post my results, hopefully i get it working.

http://superlumination.com/images/leds/installation.jpg

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aleks77

Discussion Starter · #19 · Jul 20, 2004

ok got it working, just gotta use splice taps and its all good, connect one side of the resistor to power and the other to ground, you can also make your own resistor, if u cant find 50watt 6 ohms, use what i did, 3.3 ohm 25 watt and 2.7 ohm 25 watt connected in a series, and it works perfect

Thanks for all your help guys!

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ZXLNT

· #20 · Jul 23, 2004

Right you dont put the resistor in series with the bulb it needs to be in parallel with the bulb. The problem is too MUCH resitance with the LEDS. You need to lower the resistance the flasher sees by adding parallel resistance. Wire the load resistor across the blinker wire, from hot to ground..

What is happening with the LEDS is since the resistance is higher than regular bulbs, not as much current flows thru the flasher. That doesn't heat the bi-metallic strip in the flasher as much. Since it doesn't get as hot it, it takes less time to cool down and it flashes faster....

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