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Topic: Brake lights (Read 2096 times)
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Jerry
Sr. Member
Posts: 271
Brake lights
«
on:
January 19, 2009, 06:13:09 PM »
I am hooking up 2 4 inch round brake lights ( each has 10 leds). They are from harbor freight, th paper work says nothing about how much power they use. the manual for the motor i have says the brake is 8.26 watts and the tail is 26.9 watts (yes i got the #'s right). I am tring to figure out if i need to run these with a relay or not. I have not yet started to hook them up, i thought my asking the question first it might save me from having to rewire.
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Admin
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Re: Brake lights
«
Reply #1 on:
January 19, 2009, 06:28:24 PM »
Id say you would be fine without a relay, but if you have an amp meter you could test them first, power them up via a battery and measure the amp draw....
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Yummi
Grumpy, Sneezey and Dopey all rolled into one.
Administration
Posts: 238
Re: Brake lights
«
Reply #2 on:
January 19, 2009, 07:13:59 PM »
No relay, just run the fuse to the line switch, then to the light. second line for the running light part, again no relay from fuse to switch to light.
just my $0.02
BTY, this will help re: amps, etc...
The conversion of Watts to Amps is governed by the equation Amps = Watts/Volts
For example 12 watts/12 volts = 1 amp
Somewhere here, I posted a basic buggy wiring diagram.... I will find the link and modify the post....
***
Here you go....
http://dtsfab.com/index/index.php?topic=319.0
In this case the 27 watt brake @ 12 volts is at 2.25 amps. Not much and not worthy of its own relay..... IMO.
«
Last Edit: January 19, 2009, 07:20:03 PM by Yummi
»
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Jerry
Sr. Member
Posts: 271
Re: Brake lights
«
Reply #3 on:
January 19, 2009, 07:48:32 PM »
Yummi, i will try the wiring that is there. The harness is set up for just one rear light. I will try the two in paralleand and see what happens.
Thanks guys will let you know how it goes
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robndeb
Guest
Re: Brake lights
«
Reply #4 on:
January 21, 2009, 06:11:07 PM »
Those wattage numbers must be for the original bike's bulbs. I know that led bulbs don't hardly draw any juice at all.
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fabr
Administrator
Posts: 93176
Re: Brake lights
«
Reply #5 on:
January 23, 2009, 02:24:34 PM »
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"There can be no divided allegiance here. Any man who says he is an American,
but something else also, isn't an American at all. We have room for but one
flag, the American flag... We have room for but one language here, and that is
the English language... and we have room for but one sole loyalty and that is a
loyalty to the American people."
Theodore Roosevelt 1907
-----------------------------------------------------------
" You have all the right in the world to believe any damn thing you'd like, but you don't have the right to demand that I agree with your fantasy"
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