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Old 02-09-2017   #1
-=Jeff=-
 
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Default Re: LED headlight upgrade

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Originally Posted by XfireZ51 View Post
Jeff,

Doesn't the resistor simply substitute for the load a standard headlamp puts on the electrical system? if so, why would it be detrimental or an issue?
You are correct and there is no issue with it..

I just would change to the relay to make it less than the OEM load.. that is all
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Old 02-09-2017   #2
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Default Re: LED headlight upgrade

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You are correct and there is no issue with it..

I just would change to the relay to make it less than the OEM load.. that is all
Again just curious, if it isn't such an issue with the resistor, then why bother with the relay? Is it that much of a load difference??? The resistor is a breeze to install, compared to adding another relay and cutting or connecting into a wire harness which would take more time....
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Old 02-09-2017   #3
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Default Re: LED headlight upgrade

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Again just curious, if it isn't such an issue with the resistor, then why bother with the relay? Is it that much of a load difference??? The resistor is a breeze to install, compared to adding another relay and cutting or connecting into a wire harness which would take more time....
Preference I guess? I look at it this way. If I am moving from H4 to LED, I will get a more light with less power consumption, but adding a resistor put heat in a different spot and one more connection in the bucket.

I have not completely looked at the relay, but I think I can pop the connector out and not have to cut a wire.

By doing the relay, the alternator load with all the lights is less. to me that is being more efficient, plus the added wiring is in the car out of the weather.

so I guess it is My preference then
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Old 02-09-2017   #4
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Default Re: LED headlight upgrade

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Preference I guess? I look at it this way. If I am moving from H4 to LED, I will get a more light with less power consumption, but adding a resistor put heat in a different spot and one more connection in the bucket.

I have not completely looked at the relay, but I think I can pop the connector out and not have to cut a wire.

By doing the relay, the alternator load with all the lights is less. to me that is being more efficient, plus the added wiring is in the car out of the weather.

so I guess it is My preference then
I think I understand what your reasoning is.....but when the lights are not on, then the resistor is not producing heat, correct? and if you attach the resistor in the top of the bucket as shown, then when the headlights are on and in the up position, then you should be getting air movement through the opening of the cover, thus keeping the resistor cool.
But if your charging system is operating at its optimum performance, then it shouldn't matter, should it???
I would be interested in knowing what the actual difference in power consumption (alternator load) is when comparing the resistor to the relay.
I am not trying to break them for you, just find this topic to be an interesting discussion and another learning experience.....
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Old 02-09-2017   #5
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Default Re: LED headlight upgrade

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Originally Posted by -=Jeff=- View Post
Preference I guess? I look at it this way. If I am moving from H4 to LED, I will get a more light with less power consumption, but adding a resistor put heat in a different spot and one more connection in the bucket.

I have not completely looked at the relay, but I think I can pop the connector out and not have to cut a wire.

By doing the relay, the alternator load with all the lights is less. to me that is being more efficient, plus the added wiring is in the car out of the weather.

so I guess it is My preference then
Sometimes we get into a "debate" discussion on something just for the heck of it, or to learn something. You are replacing 2 headlamps w a heavier load on the system than w 2 headlamps generating not enough load. The resistor appears to represent just enough of a load necessary to allow everything to operate properly. IOW, you have now installed a system with a load that is still LESS than the OEM system the car came w. Overall, win-win.
Thoughts?
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Old 02-09-2017   #6
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Default Re: LED headlight upgrade

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IOW, you have now installed a system with a load that is still LESS than the OEM system the car came w. Overall, win-win.
Thoughts?
But is it?

What is the resistance of the headlight you are replacing? was is the laod resistance of the resistor.

Yes Debates are good, there is nothing wrong with using a resistor.. works like roadster described.. I just like thinking out of the box sometimes
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Old 02-09-2017   #7
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Default Re: LED headlight upgrade

Jeff,

Of course my questioning really is for the purpose of learning something and when it comes to electronics you are a go to guy.
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Old 02-09-2017   #8
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Default Re: LED headlight upgrade

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Jeff,



Of course my questioning really is for the purpose of learning something and when it comes to electronics you are a go to guy.


[emoji1303]



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Late Model IH - Plenum
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Shelby Series 1 - Wilwood Brakes
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