Head light relay mod write up....WOW what a difference - Page 7 - JeepForum.com
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post #91 of 409 Old 09-13-2012, 11:00 AM
Xpress
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Quote:
Originally Posted by HurricaneRZA View Post
Good to know, actual numbers are a lot more useful than theoretical numbers, thank you!
Actual numbers tend to be representative to mathematical numbers...

In the meantime, I decided to go for it:



All that was stopping me was my sheer laziness. My boredom got the best of me this morning. I had attempted to wire up the relays in series on Tuesday to run both high and low beams together, but that won't work with the factory high beam switch. This works flawlessly. Took me all of 10 minutes...

It also appears that I need more relays

I didn't see the need to upgrade the wiring for the headlights. The supplied wire on my Jeep was in good condition and can handle the current without issue. The issue is that the wiring runs all over the place before it finally runs to the lights themselves, so therefore the voltage drop between the battery and the lights. The relays cut out a lot of that.


All about that unibody life.
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post #92 of 409 Old 09-13-2012, 11:11 AM
sdotcarter
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Ill be doing mine this after noon. With sealed headlights are there any local upgrade I can do? Say better lights at a parts store, or can you just order h4's online?
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post #93 of 409 Old 09-13-2012, 11:14 AM
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Quote:
Originally Posted by Xpress View Post
Actual numbers tend to be representative to mathematical numbers...
Tend is not close enough for me, I'd rather measure them and compare to my notes rather than go by the formula alone.

Out of curiosity, what bulbs/housings are you running? with mine on high there's quite a lot of heat in front of the jeep, running both hi/lo simultaneously seems like there'd be excessive heat coming from the lights

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Originally Posted by YoureverydayXJ View Post
This is the most metal thing I have ever heard.
Quote:
Originally Posted by doublins View Post
I always get people coming over and saying things like "I wish I knew how to do that," etc- but they don't realize- at some point I didn't know how to do it either- I had to figure it out.
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post #94 of 409 Old 09-13-2012, 11:24 AM
Que89YJ
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100% agree Xpress. The numbers do have to reflect. If they don't then you have real big problems! Glad to see it's working out. I cant see the pics I will have to look at home.
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post #95 of 409 Old 09-13-2012, 11:26 AM
jeff_in_rc
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Quote:
Originally Posted by sdotcarter View Post
Ill be doing mine this after noon. With sealed headlights are there any local upgrade I can do? Say better lights at a parts store, or can you just order h4's online?
With the OEM style sealed lights this mod is the best you can do but if you look at any of the parts stores on-line they all have some sort of replacement assy with H4's and HID's. It's all a matter of what you want and how much $$ you want to spend.

To add to the post, I was able to find new sockets for the back of the headlights from Autozone and will wire them up when I fanally get to this mod.

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post #96 of 409 Old 09-13-2012, 11:52 AM
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Originally Posted by HurricaneRZA View Post
Out of curiosity, what bulbs/housings are you running? with mine on high there's quite a lot of heat in front of the jeep, running both hi/lo simultaneously seems like there'd be excessive heat coming from the lights
Sylvania sealed beams. This isn't simultaneous high/low, it's just high or low. I have 100 watt driving lights to assist with high beams

All about that unibody life.
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post #97 of 409 Old 09-13-2012, 12:30 PM
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For future reference there are relay holders that are water resistant. If you want a truely weather resistant solution you should use N-MOS Fets, which you can place in a box with potting compound.
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post #98 of 409 Old 09-13-2012, 12:33 PM
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Quote:
Originally Posted by Xpress View Post
I had attempted to wire up the relays in series on Tuesday to run both high and low beams together, but that won't work with the factory high beam switch.
Quote:
Originally Posted by Xpress View Post
Sylvania sealed beams. This isn't simultaneous high/low, it's just high or low. I have 100 watt driving lights to assist with high beams
I guess the phrasing there confused me...

I have yet to make use of my aux lights since upgrading the bulbs in my housings. I still keep 'em there just in case

Quote:
Originally Posted by YoureverydayXJ View Post
This is the most metal thing I have ever heard.
Quote:
Originally Posted by doublins View Post
I always get people coming over and saying things like "I wish I knew how to do that," etc- but they don't realize- at some point I didn't know how to do it either- I had to figure it out.
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post #99 of 409 Old 09-13-2012, 01:33 PM
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Quote:
Originally Posted by robman8
For future reference there are relay holders that are water resistant. If you want a truely weather resistant solution you should use N-MOS Fets, which you can place in a box with potting compound.
Please elaborate.

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post #100 of 409 Old 09-13-2012, 02:42 PM
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Originally Posted by HurricaneRZA View Post
I guess the phrasing there confused me...

I have yet to make use of my aux lights since upgrading the bulbs in my housings. I still keep 'em there just in case
I had "attempted" to wire up the headlights so high and low would come on with the high beams, but it failed. Had to wire them conventionally.

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Please elaborate.
I believe he is talking about the socket that the relay plugs into..

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post #101 of 409 Old 09-13-2012, 04:27 PM
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Quote:
Originally Posted by Xpress View Post
I had "attempted" to wire up the headlights so high and low would come on with the high beams, but it failed. Had to wire them conventionally.
So both filaments in the bulbs shine at the same time when you hit Hi-beams?

Have you tried wiring your aux lights so they're relayed into your high beam instead? I have mine like that...



Unless I'm still not getting what you said

Quote:
Originally Posted by YoureverydayXJ View Post
This is the most metal thing I have ever heard.
Quote:
Originally Posted by doublins View Post
I always get people coming over and saying things like "I wish I knew how to do that," etc- but they don't realize- at some point I didn't know how to do it either- I had to figure it out.
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post #102 of 409 Old 09-13-2012, 05:45 PM
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Originally Posted by HurricaneRZA View Post
So both filaments in the bulbs shine at the same time when you hit Hi-beams?
Correct. However, it will take a lot of re-wiring to get it to function properly. There's honestly no point, especially if you have 100w Driving Lights to assist with high beams.

Quote:
Have you tried wiring your aux lights so they're relayed into your high beam instead? I have mine like that...
That's how they've been wired for the past few months... Precisely as this diagram demonstrates:


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post #103 of 409 Old 09-13-2012, 06:03 PM Thread Starter
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Quote:
Originally Posted by robman8 View Post
For future reference there are relay holders that are water resistant. If you want a truely weather resistant solution you should use N-MOS Fets, which you can place in a box with potting compound.
Think Weatherpack

I wondered why the baseball kept getting bigger and bigger....then it hit me!
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post #104 of 409 Old 09-13-2012, 06:08 PM Thread Starter
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Originally Posted by sdotcarter View Post
Ill be doing mine this after noon. With sealed headlights are there any local upgrade I can do? Say better lights at a parts store, or can you just order h4's online?
I got these and I love em. They look good too!
http://www.quadratec.com/products/97009_501_07.htm

I wondered why the baseball kept getting bigger and bigger....then it hit me!
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post #105 of 409 Old 09-13-2012, 06:22 PM
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Quote:
Originally Posted by mudsweatNgearz

I got these and I love em. They look good too!
http://www.quadratec.com/products/97009_501_07.htm
Hows the light control w those? I got the autopal e-codes off fleabay and I love em. The output is awesome, but more importantly the lines are crisp. No 'lost light"

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electrical , h4 , head light , headlight upgrade , relay

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