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Author Topic: LED headlight bulbs and diodes 🤔  (Read 242 times)

Dougie Brown

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  • Posts: 895
  • Brits spending half each year in the US & Canada
    • RV and us.... our adventures in Morocco, Spain, the US & Canada!
LED headlight bulbs and diodes 🤔
« on: July 03, 2017, 01:56:14 PM »
So a cheeky little question here which I'm hoping is allowed as I'm coming clean and saying it relates to my exported/imported Crown Victoria Police Interceptor here in the UK.

I made & fitted a headlight harness kit (relays etc.) a year ago with (Schottky) diodes so the low beams stay on when high beam is selected. Been working perfectly with upgraded halogen bulbs. Fitted LED bulbs (5700k) with fans last week which are awesome. Trouble is low beam now turns off when high beam is selected as per pre-diodes. As far as I understand it, they should work as before.  I'm wondering if the large current reduction has something to do with it?
2000 Winnebago Adventurer 37G (F53 chassis, Ford 6.8 V10 gas)
1999 Ford Escort SE (2.0L 4cyl gas)
Brits spending half each year in the US and/or Canada
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Larry N.

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  • Posts: 4512
  • Westminster, CO
Re: LED headlight bulbs and diodes 🤔
« Reply #1 on: July 04, 2017, 07:39:22 AM »
I'm not familiar with the specific stuff you have, but a large change in the load (halogen to LED) can affect many kinds of circuitry, so I'd not rule that out. Perhaps someone knows that specific mod.
Larry and Mary Ann N.
2016 Newmar Ventana 3709 -ISB6.7 XT 360HP
2015 Wrangler Sahara Unlimited toad
Formerly: Trailmanor 2720SL
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