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Harness Upgrade For Lights

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I upgraded my bulbs to sylvania ultra's for a great price. I've read that people have upgraded the harness to produce

more power to the bulbs.

how is this done, and which parts do i need to look for?

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Get a headlight harness from SUVLights and install!

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Get a headlight harness from SUVLights and install!

:Dok loud is it a explorer i'm looking for and are the harness plug the same?

how far back does this harnes go, pics would be great.

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I upgraded my bulbs to sylvania ultra's for a great price. I've read that people have upgraded the harness to produce

more power to the bulbs.

how is this done, and which parts do i need to look for?

Is this a serious question? I thought you knew about the SUVlights harness. ;)

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Is this a serious question? I thought you knew about the SUVlights harness. ;)

:lol: i know nothing trust me.

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They sell them based on the light bulb. 9007, H4, etc...

It is a plug and play setup. Plug into the light socket and hook to battery.

wireharness010dj1.jpg

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Some, like me, have hooked the connector for the battery ,to the power box in front...It just makes for a cleaner look I think. This harness WILL make a difference in your light put put..:sun: .at least I think it did to mine...plus I added the Silverstar Ultras. Now I can see squirrels in the trees!!!

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Yes, agreed. I upgraded to this harness and added XtraVisions and new Headlights to boot. Just take you time to securely fasten the new wire harness along the route. Now the power goes straight from the battery to the bulbs and not through the switch thanks to the (2) relays. Worth every penny!

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This is just an update.. SUVlights site is down, so I ordered the exact one that I bought from there a few years ago from e trailer for my Centennial.

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SUVlights has been down for years. I just googled "9007 heavy duty headlight harness" and got some results.

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Head lights Sables.

I have 3 G4 Sables, one for sale, 2 on the road.

I got a pair of nice HL from the JY from '05.

I made a setup in my shop where I can put in the fixture Syl Xvision bulb hooked to good deep disc battery, and 9 feet away, sheet of plywood for a target. Used light meter to measure the CP. Volts measured 12.38-12.43 at the battery.

As is from the car = 125

rubbing compund, polishing = 170 or +36%

Wet sanded 600G, Clearcoated 205 or +64% total.

After wet sand, the surface is frosted, but clear after rattle can clearcoat. 40F out and windy, not a neat job of clear coat, but OK for a quick test.

I clearcoated a leaker bulb last fall and left it outside facing South for the winter to look for any changes. Looks just like I coated it.

Just passing this along. Clearcoat idea from others, no claim to this.

-chart-

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Head lights Sables.

I have 3 G4 Sables, one for sale, 2 on the road.

I got a pair of nice HL from the JY from '05.

I made a setup in my shop where I can put in the fixture Syl Xvision bulb hooked to good deep disc battery, and 9 feet away, sheet of plywood for a target. Used light meter to measure the CP. Volts measured 12.38-12.43 at the battery.

As is from the car = 125

rubbing compund, polishing = 170 or +36%

Wet sanded 600G, Clearcoated 205 or +64% total.

After wet sand, the surface is frosted, but clear after rattle can clearcoat. 40F out and windy, not a neat job of clear coat, but OK for a quick test.

I clearcoated a leaker bulb last fall and left it outside facing South for the winter to look for any changes. Looks just like I coated it.

Just passing this along. Clearcoat idea from others, no claim to this.

-chart-

 

Today I took the leaker bulb I clearcoated last fall and it sat outside for the winter. Tried to wet sand it again and make a better looking finish just for practice. The clearcoat is many times harder to sand than the bulb. I was using silicon carbide wet/dry paper and it took a lot just to dull it some. Point is, clearcoat is much more resistant to sand blasting than the original plastic. My plan is to re clearcoat it inside the shop, out of the wind, and face up.

-chart-

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Did some active test of light volts, '03 wagon, with relay for low beams, '03 sedan, stock.

Hi beams, both stock.

11.4V and 11.34V with 13.8 bat volts, engine running warm.

Based on 12.6V design for life and output:

72% and 69% light output by the math, due to low volts.

Low with relay, 13.6V so +30% output and life 30%.

Low without relay, 11.79V so 80% light output.

So, Ford wires are not up to par. Bulb life should be really high.

-chart-

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If I run #14G wire as per the diagram, from the MFS to the driver's side HL I will gain 0.9V which will bring my lights to ~12.8 or bulb spec. No relay, no fuse, just a wire, or 2 if I do high beam and low beam.

I see a rubber plug right behind the parking bk, in the firewall to pass through.

Anyone else interested?

My measure, on '03 sedan, ground to wire out of MFS 0.88 for low, 1.07 for high beam.

-chart-

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