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Open Roads Forum  >  Tech Issues

 > Crummy headlights - Can't see, need upgrade

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Gdetrailer

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Posted: 01/20/21 09:47am Link  |  Quote  |  Print  |  Notify Moderator

BobsYourUncle wrote:

I really do want to get away from the factory housings. They are old and outdated, even if I replace them with new ones.
If I am going to replace the whole assembly I may as well put the money towards some better and more effective reflector design.

I have tried several different styles of bulbs, but the improvement was only marginal.
I have never checked the voltage though, as suggested here.


Higher wattage bulbs actually will make things worse with OEM wiring, higher wattage bulbs have lower resistance which will create a higher voltage drop across all of the OEM wiring harness.. End result is even lower voltage at the bulb which means less brightness.

Higher wattage bulbs also tend to have a very short life span and basically you will be replacing them more often.

Bulbs need to be at battery voltage as measured when vehicle is running or not running.. Anything less is just a waste of energy along the wiring and will benefit from a relay kit..

New stock housing may help slightly if the lens and reflector are in bad shape but I would check the voltage first to see where that is before tossing hundreds of dollars down the toilet..

Yes, LEDs would correct the voltage drop, but the side effects of LEDs retrofitted in halogen fixtures may result in less than stellar performance and not to mention blind oncoming traffic.

Lwiddis

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Posted: 01/20/21 10:12am Link  |  Quote  |  Print  |  Notify Moderator

“My headlights got much brighter recently, right after cataract surgery.”

I thought my dashboard lights were blue, Lynnmore. They are green!

* This post was edited 01/20/21 10:29am by Lwiddis *


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Boomerweps

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Posted: 01/20/21 10:13am Link  |  Quote  |  Print  |  Notify Moderator

First thing I would do is polish that dulled yellow lens clear.
Then put a higher output bulb in.

Quickest, easiest, cheapest method.


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Posted: 01/20/21 10:32am Link  |  Quote  |  Print  |  Notify Moderator

I echo the other suggestions about checking the wiring and adding some relays. But you should rewire the entire loop. Make sure the lights have a good ground.


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rhagfo

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Posted: 01/20/21 10:49am Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

Hi Bob,

I added twin light bars. They will not operate on the high beam setting. My low beams with the bars are far superior to the high beams now.

You are likely blinding on coming drivers.


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wanderingaimlessly

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Posted: 01/20/21 10:56am Link  |  Quote  |  Print  |  Notify Moderator

BobsYourUncle wrote:

ford truck guy wrote:

Bob...


Upgrade to a 2020.. the Ford's headlights were pure TURD.... I love the new LED's in the new trucks ! ! ! [emoticon]

Well, due to fiscal irresponsibility in my life and a divorce, a 2020 isn't in the radar for me yet!
I too love the new LEDs in the new trucks. Awesome!

My only option is to replace mine, the entire assembly, not just a bulb upgrade.

Good tips about the voltage at the bulbs. I am going to get in there with a meter and check. I can build a relay system and hard wire to the battery.


If you are changing to LED note that the wattage requirement is much less than for Halogen.

thomasmnile

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Posted: 01/20/21 11:40am Link  |  Quote  |  Print  |  Notify Moderator

Lynnmor wrote:

My headlights got much brighter recently, right after cataract surgery.


Ditto that but unfortunately, glare from oncoming headlights is terrible for me. One of the myriad of potential consequences of the surgery the doc told me about.

pianotuna

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Posted: 01/20/21 03:15pm Link  |  Quote  |  Print  |  Notify Moderator

rhagfo wrote:

pianotuna wrote:

Hi Bob,

I added twin light bars. They will not operate on the high beam setting. My low beams with the bars are far superior to the high beams now.

You are likely blinding on coming drivers.


I had the light bars properly aimed. I turn them off just as I would high beams.


Regards, Don
My ride is a 28 foot Class C, 256 watts solar, 556 amp hours of AGM in two battery banks 12 volt batteries, 3000 watt Magnum hybrid inverter, Sola Basic Autoformer, Microair Easy Start.

pianotuna

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Posted: 01/20/21 03:18pm Link  |  Quote  |  Print  |  Notify Moderator

Bob,

Power varies by the square of the voltage.

12.6 x 12.6 = 158.76

11 x 11 = 121

121 / 158.76 = 22% less light.

* This post was edited 01/20/21 03:49pm by pianotuna *

wanderingaimlessly

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Posted: 01/20/21 05:22pm Link  |  Quote  |  Print  |  Notify Moderator

=8&vehicle[liter]=6%2E6&vehicle[submodel........[make]=GMC&vehicle[year]=2007]headlights

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