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**bikerharis** · 08-17-2009, 09:48 PM

Originally posted by abhijeet080808 View Post

You are using 6V. You should use 2 LEDs with 150 Ohms (better) or 3 LEDs with 50 Ohms in series. As voltage decreases, it can no longer support 5 LEDs in series. And after doing this, do not test with 12V. Use only 6V from bike for testing. Diodes, Capacitor remain the same.

Keep the LEDs as close to the red plastic cover as possible.

Thanks for the info bro.

BTW, What will happen if I remove the resistor from a 5 LED series connection working in 6v?

My exact problem is the park light LED's are not glowing when it is connected to the bike.

LED's are already close to the glass.

**abhijeet080808** · 08-17-2009, 10:20 PM

Look, each LED require 2V. 5 LEDs need 5x2 = 10V. So, they can no way turn on with 6V! Use 2 LEDs + 150 Ohms resistor.

**ShaolinRider** · 08-18-2009, 07:37 PM

used 5 mm leds with 200ohm resistors.. ended up too dim.. should i shift to 10mm leds? or should i reduce resistance to 100ohm?

**abhijeet080808** · 08-18-2009, 09:41 PM

Your bike has 12V or 6V system? For 6V system use 2 5mm LEDs + 150 Ohms resistors. Rest of the ckt is same. For 12V system, it is 5 5mm LEDs + 200 Ohms resistors.

**ShaolinRider** · 08-19-2009, 01:56 AM

bike's got a 12 volt system.. so surprised the bulbs were so dim.. need to try them out again..

4 rows for the brake light and 2 rows for the parking light right?

**abhijeet080808** · 08-19-2009, 01:58 AM

Number of rows is up to you. Just use 5 LEDs + 200 ohm resistors per row.

**pinku.narendra** · 08-19-2009, 08:53 AM

Great work and I am going to copy your idea with your permission :-)

I really liked it....

**abhijeet080808** · 08-19-2009, 11:11 AM

Originally posted by pinku.narendra View Post

Great work and I am going to copy your idea with your permission :-)

I really liked it....

Thanks! Go ahead!

**bikerharis** · 08-22-2009, 12:49 AM

I was busy for 2 days, so couldn't work with my bike. Anyway today i fixed my problems. the lights are now working. I used the same circuit and same the components. what i done is replaced the LED's which weren't enough bright and resoldered all components.
here are the pics.

Not so appealing in a closer view. But looks awesome from a distance, really!! Only one problem, the AC park light is flickering at idle speed, also there isn't enough glow while idling. As rpm increases it glows. Is it any problem with the capacitor? I'm using 1000uf 25v capacitor.

**abhijeet080808** · 08-22-2009, 01:02 AM

Originally posted by bikerharis View Post

I was busy for 2 days, so couldn't work with my bike. Anyway today i fixed my problems. the lights are now working. I used the same circuit and same the components. what i done is replaced the LED's which weren't enough bright and resoldered all components.
here are the pics.

Not so appealing in a closer view. But looks awesome from a distance, really!! Only one problem, the AC park light is flickering at idle speed, also there isn't enough glow while idling. As rpm increases it glows. Is it any problem with the capacitor? I'm using 1000uf 25v capacitor.

Wow! Looks great.. Yeah, try using a 2000uF cap or so.. when you OFF the light, does it glow for some time and turns off (like car headlight) or it switches off immediately?

**bikerharis** · 08-22-2009, 01:08 AM

Originally posted by abhijeet080808 View Post

Wow! Looks great.. Yeah, try using a 2000uF cap or so.. when you OFF the light, does it glow for some time and turns off (like car headlight) or it switches off immediately?

it glows for some time, a small glow. Now i need to change the focus of the two white LEDs for the license plate. Now both are focusing at same place. It's looking like a spotlight. I need to change it.

**abhijeet080808** · 08-22-2009, 01:14 AM

Then, the cap is sufficient I think maybe the coil gives lower voltage at idle. Anyways you can try with a 2000uF cap and see, no harm in trying. And you used 2 leds + 150 ohms?

Sand the surface of the 2 white LEDs to diffuse the glow. Else use a thin white foam infront of the LEDs.

**bikerharis** · 08-22-2009, 01:17 AM

Originally posted by abhijeet080808 View Post

Then, the cap is sufficient I think maybe the coil gives lower voltage at idle. Anyways you can try with a 2000uF cap and see, no harm in trying. And you used 2 leds + 150 ohms?

Ok i will try, No!! i'm still on 100ohm for 5 LEDs. BTW I checked the voltage of my bike using a multi tester, the DC from the battery is 12v. and the ac is, ac is... oops sorry i forgot!

**abhijeet080808** · 08-22-2009, 01:21 AM

Originally posted by bikerharis View Post

Ok i will try, No!! i'm still on 100ohm for 5 LEDs. BTW I checked the voltage of my bike using a multi tester, the DC from the battery is 12v. and the ac is, ac is... oops sorry i forgot!

ok.. I thought it was 6V.. AC is alternating current.. polarity of current keeps changing..

And post some daytime pics too!

**bikerharis** · 08-22-2009, 01:35 AM

Originally posted by abhijeet080808 View Post

ok.. I thought it was 6V.. AC is alternating current.. polarity of current keeps changing..

And post some daytime pics too!

I will post the daytime pics. I know that ac is alternating current , i forgot the AC reading. Me too thought it was 6v, and it's written 6v in the service manual of RX100, the manual is 20+ years old, and my bike is only 14 years old. i think the last RX100's were 12v. But now i am really confused about it's voltage.

BTW thanks for your support. Next I'm gonna implement this on my friend's Splendor.

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Retrofitted LEDs on tailight of my P150 Classic

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