LED Turn Signal Problem

Erouse91

Well-Known Member
Question to anyone who might know. I bought the 7443 45-HP LED bulbs from superbrightleds.com and installed them and light up just fine, but when I turn on the signals, the left blinker blinks fast and the right one hardly lights at all. Also if the hazards are set to on, the fuse blows. Any help and tips GREATLY appreciated.
 

Nix

Jötunn Moderator
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It's A Fast Pig!
The flashing is because the car wants there to be a regular bulb in there and the LED takes a lot less power. You have to put a resistor between the wires to fool the car. I am at a loss for why one works and one doesn't and why the fuse blows though.

google the LED turn signal bulb and hyperflashing and you should get a lot of results helping to explain it. I believe on the ijdmtoy website there is a guide of how the wires need to go with the resistors.

@ethlar and @AlienPrime are both pretty good with wiring. They may be of some help also.


Ijdmtoy: How to install load resistors

http://store.ijdmtoy.com/Install-LED-Load-Resistor-For-Turn-Signal-Lights-a/451.htm


Retrofitsource:

http://www.theretrofitsource.com/accessories/morimoto-hd-load-resistors.html#.UwkdbCfENn4
 

ADExternal

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The right side is blowing your fuse. Diagnose by swapping the LEDs first.
 

AlienPrime

Well-Known Member
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Sudbury, Ontario, Canada
Vehicle Model
Civic Si HFP
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2 door Coupe
Question to anyone who might know. I bought the 7443 45-HP LED bulbs from superbrightleds.com and installed them and light up just fine, but when I turn on the signals, the left blinker blinks fast and the right one hardly lights at all. Also if the hazards are set to on, the fuse blows. Any help and tips GREATLY appreciated.
#1 - LED's can't blow fuses unless there is a short. Factory bulbs are 28w per corner. I've got mine loaded 57w per corner (228w total @ 12v = 19A)
keep in mind that is running slot #14 engine bay, on 10A. Even leaving Hazards on for 30 minutes+ doesnt blow the fuse because it doesnt heat up the fuse enough to cause enough heat from current to blow it.
#2 - From the sounds of it you are not running resistors. If the lights come with "built-in" resistors for "error free" (although this certainly isnt the case) one of the resistors may also be shorted causing a large enough amperage pull to make you consistently blow that 10A fuse when hazards are turned on.
#3 - both harzard, and signals are F1 on 7443 and unlock/parklights are F2. Try leaving the park lights on for 5 minutes and seeing if you have any issues. If not, then you can narrow it right down to the higher wattage side
#4 - finally, if none of that works, but some consistent 5w or 7w led's and throw 20w inductive resistors around the load. Will be error free and wont keep causing you to have issues :)

The right side is blowing your fuse. Diagnose by swapping the LEDs first.
Yes, i would say the right side probably has the fault :)
 
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