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BRETT72 Profile
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X-TRAIL HOLIC
 


Date Registered: 10-2005
Location: Orange. NSW.
TOTAL POSTS: 1999
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Heavy Duty Wiring Loom


 I have just picked up an IPF Heavy Duty headlight wiring loom for the xtrail on the cheap. The cables are nice and thick, especially the power to each globe, which will eliminate the voltage drop often found when running higher wattage globes.

 This complete kit comes with relays and fuses and there is no modification required to the existing headlight wiring system. You just plug it in and then yell, 'let there be light'.

 The manufacturers claim up to an extra 25% light output, due to the globes receiving the full voltage from the battery. I will run some comparisons soon. Anyone serious about maximum light output, even from standard globes, then this is for you.

 For those interested, the main brands are:

*IPF (available at ARB) M002 priced between $130 and $200 depending on relay size.


*Pirahna Super Loom (available at TJM). Priced between $150 and $250 depending on relay sizes.
http://www.piranhaoffroad.com.au/products/Lights/LightCentre.htm#Wiring%20Looms


 You may also stumble across one through Ebay or any of the other 4wd orientated forums in the classified section.


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BRETT72 - X235

3/May/2007, 1:03 pm Link to this post Send Email PM   Send Private Message MSN
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Heavy Duty Wiring Loom


Brett,

Have you actually measured the voltage coming to the headlights with the factory wiring and then compared it to the new kit you bought?

Just a question.

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3/May/2007, 1:43 pm Link to this post Send Private Message MSN Blog
 
Naff Profile
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Date Registered: 09-2005
Location: QLD
TOTAL POSTS: 786
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Re: Heavy Duty Wiring Loom


I'm pretty sure I've written this elsewhere, but I upgraded the wiring of my old Camira to some thicker wires for the headlights and the result was amazing... it's a well known fact with the older cars that the factory looms are insufficiently rated. I would have thought that the newer cars were a bit better!

Even so, it would be good to see the difference in voltages as technically there should be less voltage drop in the cable.

There might not be that much in it on paper.



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My Triton GLX-R

3/May/2007, 1:54 pm Link to this post Send Email PM   Send Private Message MSN
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Heavy Duty Wiring Loom


quote:

Naff wrote:
There might not be that much in it on paper.



That is why I asked the question emoticon

The xtrail headlights have poor illumination because of the design of the headlight itself and the bulbs used, but I have never experienced light dimming when I start-up the exy to prove that there is some sort of voltage drop to the lights, if there is, am inclined to believe it is VERY minimal.


Last edited by jalalski, 3/May/2007, 2:16 pm


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3/May/2007, 2:15 pm Link to this post Send Private Message MSN Blog
 
BRETT72 Profile
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X-TRAIL HOLIC
 


Date Registered: 10-2005
Location: Orange. NSW.
TOTAL POSTS: 1999
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Re: Heavy Duty Wiring Loom


quote:

Jalal said; Have you actually measured the voltage coming to the headlights with the factory wiring and then compared it to the new kit you bought?



 Have you forgotten where the exy is mate. emoticon


 Regarding your 'voltage drop' question, although the voltage drop is measurable, the main point of concern is the current passing through the cable. To better explain it, you need to picture water (being the current), passing through two different diameter pipes (being the cable). The larger the pipe, the less resistance and better flow.

 This may not be so evident when running stock 55/60 watt globes, but anything more and you will get a heat build up and a possible fire in the wires. This heat build up also restricts the flow of current to the globes. A drop of 10% volts, actually lowers the globes output by 25%.

 On my previous Pajero, I had the same system fitted and the improvements were amazing. From what I can recall, the difference between the standard 55/60w and 90/100 globes was 3 times as much voltage drop. With the loom installed, almost no drop at all. This is due to the extra current trying to push through the thin cable. With

 Check it out for yourselves.
  -With the engine running, measure the batter voltage across the terminals. Should be about 14.2 volts.
  -Now turn the headlights on and check the
battery again. Any drop yet.
  -Now measure across the bulb terminals (both low beam to negative pins and high beam to negative pins). Just make sure the globes are actually on low or high when measuring that component. Compare this voltage to that of the battery. See the difference. Your lights are not getting the full voltage, meaning the amount of current being drawn is lower also. Simple ohm's law.

 Check HERE for an excellent explaination.

 This LINK here also has some excellent info on this subject.


 You can check out this topic in any 4wd forum and there is ample supportive documentation. Like I mentioned earlier, running standard globes may not see the improvement, but with the higher wattage globes, it is amazing the difference.

 When I eventually get the exy back, I will show some pics, including voltage and current readings. Stay tuned...



Last edited by BRETT72, 3/May/2007, 3:24 pm


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BRETT72 - X235

3/May/2007, 2:53 pm Link to this post Send Email PM   Send Private Message MSN
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Heavy Duty Wiring Loom


quote:

BRETT72 wrote:
 Have you forgotten where the exy is mate. emoticon



No I haven't. Just thought you had tried this with the hire exy.

Look forward to your test results with proved values. I am skeptical about this at this stage.

P.S. I have a battery monitor in my exy and my battery voltage never dropped below 13.9 volts with ALL lights and accessories on (while in motion) Start-up voltage in the morning is 14.6 volts

Now, if I do the same test while the car in the driveway and the engine is not running, that's a different story emoticon

The question to be asked here Brett:

"Why use over-rated bulbs that will put your existing wiring in danger of melting and would most probably be illegal?"


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3/May/2007, 5:17 pm Link to this post Send Private Message MSN Blog
 
BRETT72 Profile
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X-TRAIL HOLIC
 


Date Registered: 10-2005
Location: Orange. NSW.
TOTAL POSTS: 1999
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Re: Heavy Duty Wiring Loom


Jalal - I agree that your battery monitor may show 13.9 volts, but what is the voltage at your lights ??? This is the main issue here, not the battery output.

 Skeptical hey. Gee's your a hard man to convince. Did you check out the links or do any other research...

 As for the big 'why do it' question. One word here, SAFETY. Unlike Parramatta Road or any other road in the city, there are no additional street lighting in the country and every little bit counts. We all fit spotties to improve this vision, but going from a mass of 100watt spotlights down to a poor low beam is extremely dangerous. This is the theory behind your infamous FATBOYS. They are designed with a higher low beam to compensate for the 'without spotlight output'. This is also why the high beam is actually lower then the low beams, because they are designed to work with auxillary spotties. This is from the head of ARB Moorebank, not me.

 Without sounding arrogant, I would rather fit the most powerful globes on the market, cop the odd flash from oncoming drivers, but get my family safely home. I have seen too many vehicles (persons) come off second best after meeting a large roo or other animal in the middle of the roadway and the driver didn't see it in time to avoid a collision.

Hence the need for better lighting, without risking the existing wiring.



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BRETT72 - X235

3/May/2007, 5:42 pm Link to this post Send Email PM   Send Private Message MSN
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
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Re: Heavy Duty Wiring Loom


quote:

BRETT72 wrote:

Jalal - I agree that your battery monitor may show 13.9 volts, but what is the voltage at your lights ??? This is the main issue here, not the battery output.



Nope mate, I didn't measure that and that is why I asked if you did before making the decision to upgrade the wiring.

 
quote:

Skeptical hey. Gee's your a hard man to convince. Did you check out the links or do any other research...



Sorry mate, the link/s you provided was talking about older cars and older models and we know for a fact that the wiring used then, was not upto scratch.

quote:


 As for the big 'why do it' question. One word here, SAFETY. Unlike Parramatta Road or any other road in the city, there are no additional street lighting in the country and every little bit counts. We all fit spotties to improve this vision, but going from a mass of 100watt spotlights down to a poor low beam is extremely dangerous. This is the theory behind your infamous FATBOYS. They are designed with a higher low beam to compensate for the 'without spotlight output'. This is also why the high beam is actually lower then the low beams, because they are designed to work with auxillary spotties. This is from the head of ARB Moorebank, not me.



Agree, But that is EXACTLY why the Fatboys are ADR approved while others with high output are not. It is not only your own safety you need to be concerned about on the road.

 
quote:

Without sounding arrogant, I would rather fit the most powerful globes on the market, cop the odd flash from oncoming drivers, but get my family safely home.



I am sorry but I can't agree with your analogy here and am surprised that this is coming from someone in your position. The road is there to share!! If I see you coming my way with all your lights glory, you will get more than a flash of lights from me LOL emoticon

In any case and for educational purposes, I would still be interested to see the results of your test BUT with Road Legal bulbs!



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3/May/2007, 5:57 pm Link to this post Send Private Message MSN Blog
 
BRETT72 Profile
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X-TRAIL HOLIC
 


Date Registered: 10-2005
Location: Orange. NSW.
TOTAL POSTS: 1999
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Re: Heavy Duty Wiring Loom


Ok Jalal, back to the topic at hand, voltage drop across the bulbs.

I have just fitted the wiring loom to only the passenger side headlight (yes it is that easy, 10 minutes max), leaving the drivers side headlight in the original factory wiring loop. This way I can display the voltage drop caused by the thinner factory wiring in a 'controlled situation'.

Globes used were the factory 55/60w ones. The result will be even better with higher wattage globes. I guess the figures speak for themselves. You can tell the difference in light output, however the camera doesn't pick it up.


Battery voltage with lights on: 14.14v
Image

Low beam with LOOM installed: 14.01v
Image

High beam with LOOM installed: 13.94v
Image

Low beam in factory system: 13.16v, down 0.85v.
Image

High beam in factory system: 12.74v, down 1.20v.
Image

These measurements were taken across the globe terminals, not at the battery. The battery voltage did not change between low and high beams.

So, as seen from these results, even when running standard globes, the wiring loom increases the voltage at the globe. And this was with a brand new battery that was only fitted the day I picked the hire exy up. I will run the same test with the Philips Exteme globes when I get the exy back.


Re the earlier messages Jalal, I may have been misinterpreted, but I stand by the theory that more voltage at the lights the better performance you will get. Hey, wasn't it you who told the forum a while back that when you overtook a guy on the way to Bathurst he flashed you because he thought your lights were on high beam. The FATBOYS may be ADR legal, but it is a common complaint that you get flashed for this very reason.


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BRETT72 - X235

3/May/2007, 7:10 pm Link to this post Send Email PM   Send Private Message MSN
 
jalalski Profile
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Date Registered: 02-2004
Location: SUTHERLAND, SYDNEY
TOTAL POSTS: 29094
Reply | QUOTE
Re: Heavy Duty Wiring Loom


quote:

BRETT72 wrote:
I have just fitted the wiring loom to only the passenger side headlight (yes it is that easy, 10 minutes max), leaving the drivers side headlight in the original factory wiring loop.



Thanks for taking the time to carry-out this test Brett. Much appreciated.

However, I am not entirely confident that this test is accurate, as the voltage drop will be more on the driver's side due to a longer wire run away from the battery.

The test would have been more accurate had you measured the voltage drop on the factory set-up as is (using the factory bulbs) and then performed the same measurement using the upgraded wiring loom (on both sides).

You only need to measure one side and for argument sake, it is best to measure the driver's side in both scenarios.

quote:

Re the earlier messages Jalal, I may have been misinterpreted



Sorry, I may have misunderstood your statement.

quote:

Hey, wasn't it you who told the forum a while back that when you overtook a guy on the way to Bathurst he flashed you because he thought your lights were on high beam.



Yes, it was me that said that and that was the one and ONLY time I got flashed with the Fatboys. It was 4am with no other cars on the road and this van driver could have been dozing off for all I know and I woke him up with my low beam. I am running with these lights everyday on my way to work and not once I got flashed be it in the city or the highway.

quote:

The FATBOYS may be ADR legal, but it is a common complaint that you get flashed for this very reason.



Brett, as you're aware, getting ADR approval for light bulbs and anything else for that matter is far from being easy. I trust these bulbs been vigorously tested to deserve the ADR compliance stamp.



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