My DIY halogen-to-LED light modifications

Discussion in 'Tech/Mech General' started by RogerThat, Jul 12, 2016.

  1. RogerThat

    RogerThat Funster

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    Hi everyone,

    Thought you might be interested in my halogen-to-led modification :)

    I was keen to keep the lighting unit original (to look at) and to also use the original switch, so it was a bit fiddly but worth the effort.

    The original lighting unit:

    [​IMG]

    Underneath:

    [​IMG]

    A short strip of flexible LED (SMD-type) from Aten Lighting:

    [​IMG]

    Close up:

    [​IMG]

    Starting to remove the original tubes:

    [​IMG]

    Close up:

    [​IMG]

    This next step was probably the hardest, or the most fiddly for sure!

    Due to the age of my motorhome (+15yrs now) the plastics are becoming quite brittle. This probably wouldn't be an issue on a newer MH, but either way, if you're attempting this, GO EASY :)

    There's a plastic divider inside the housing which keeps the tubes in place. This was in my way as I wanted to mount the LED strip right down the middle (it would seriously affect my OCD otherwise!).

    With the aid of a seriously sharp stanley knife, i carefully cut out the centre divider:

    [​IMG]

    The end result, a surface flat enough for sticking the LED strip on (which comes with 3M sticky stuff on the back already):

    [​IMG]

    The next step was to remove the old electrics. The new LED strip is 12v so none of the halogen gubbins is required. Be sure to leave the switch in place, this will be needed:

    [​IMG]

    New LED strip stuck in place:

    [​IMG]

    Solder the new LED strip in to the OEM switch:

    [​IMG]

    Test it works (important!):

    [​IMG]

    And with the diffuser in place:

    [​IMG]

    Job done, time for a brew:

    [​IMG]

    So there we have it, a relatively simple but effective modification. As I mentioned, I was keen to keep the very original look, complete with original switch. This started off as a proof-of-concept type mod, more to see if it was possible than anything else.

    Naturally being as pleased as I was with the end result, I then had to go and upgrade all the other ones too :LOL:

    The photos of the light when lit don't do it justice, it's impossible to take a decent photo of a bulb using a mobile phone :rolleyes:

    Anyway, hope this provides some incentive or guidance to others, I'll happily answer any questions or provide help where I can (y)
     
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  2. RogerThat

    RogerThat Funster

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    Just to add, the LED strip is polarity-sensitive. Be sure to fit the switch on the POSITIVE side of the wiring (the red wire pictured above).
     
  3. dave newell lvs

    dave newell lvs Trader-Vehicle Services

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    That wasn't a halogen light unit it was a fluorescent unit. Other than that its a nice tidy job, well done.

    D.
     
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  4. DavidG58

    DavidG58 Funster

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    you now need to work on that warm white light coming through the skylight :LOL:

    upload_2016-7-12_21-5-41.png
     
  5. RogerThat

    RogerThat Funster

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    Ah, didn't think halogen sounded right when I was typing it, thanks!

    Lol, I'll have a word with this rare thing we call sunshine :)
     
  6. DavidG58

    DavidG58 Funster

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    The fluorescent are far more complicated, its all downhill now for you to get the rest done :)
     
  7. mitzimad

    mitzimad Funster

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    i did much the same but got 4 rows of leds in so we can use them to read by
     
  8. Hollyberry

    Hollyberry Funster

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    I have absolutely no idea of what is in your pictures or what you did. But I'm the person who had the blown lights taken out my ceiling ( little round things, sunk into the ceiling) and have absolutely no dea where to get new ones that fit, or how to fit them. I expect to be living by candle light by the end of the year.......
    Why was I not taught sensible things in school instead of Latin and religion.
     
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  9. RogerThat

    RogerThat Funster

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    They're all done!

    Some were easier as they only had one tube (bathroom, overcab bed, kitchen sink) - same principal though :)

    I think my only regret was not measuring the actual energy consumption of the old fluorescent vs the new LED ones.

    I was taught those subjects too! Not sure I've used either since I left though :(
     
  10. autorouter

    autorouter Funster

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    Eminently practical subjects. One van of mine was so old the manual was in Latin, and the only thing that kept it going was prayer.;)
     
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  11. Bart

    Bart Funster

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    Good job :) , yip when i did mine the other day before changing any i was using like 10 amps , then after all changed to LED's was down to 2 amps or less , but i did notice my two florescent lights which each had 1 tube ( so the same as what you took out ) well the useage from them 2 single tube lights was 1.6 amps , now all my lights run for not much more :)
    So i would say about 1.6 amps for your light
     
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