Electrical/Lighting/Alarm Having electrical problems? Discussion on everything electrical and lighting systems.

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Old Nov 13, 2010 | 10:47 PM
  #1  
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Gra490
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have fitted LED indicators to my 85 FXR but they wont flash, they just stay on. They are zodiac hi-glides and have three wires, red, grey and a bare wire. The old filaments work so the flasher is working. It cant be that hard to get them going.
 
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Old Nov 14, 2010 | 05:59 AM
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you need to wire in a resistor. led's only need a fraction of the voltage that a regular bulb needs, if they get too much they don't blink.

i tried searching for a thread for how to wire in a resistor but i could not find one. hopefully some one who knows will chime in.
 
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Old Nov 17, 2010 | 08:34 AM
  #3  
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on the positive side of the wire going to your LED indicators (each one) install a 470 OHM 12 volt resistor. it's simple, cut the positive wire and install the resistor to one end and then to the other.
the color bands on the resistor would be and you can pick them up at any radio shack:
band1 - yellow
band2 - violet
band3 - brown

Make sure you solder the wires and resistor together and protect the resistor and exposed wiring with heat shrink to prevent shorts later on. Electrical tape works well too, i just prefer heat shrink on anything that might move or vibrate.
 
Attached Thumbnails Led-470ohm-resistor-on-12v-led-circuit.jpg  

Last edited by UltraNutZ; Nov 17, 2010 at 08:40 AM.
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Old Nov 17, 2010 | 08:46 AM
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just FYI too. the above only applies to older bikes. the newer bikes, the ECM, TSM, TSSM look for very specific voltages and current draws for the lighting to work properly so instead of resistors, you'll need load balancers to make LED lights function properly.
 
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