Headlight / Headlamp Conversion.

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Headlight / Headlamp Conversion.

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Headlight / Headlamp Conversion.

Postby Barrie » May 3rd, 2018, 9:23 am

Good afternoon from a very sunny South Wales in the U.K.

The drivers side headlight on my A1 has blown and as you're all probably aware they are 24 volt 'sealed beam' units.

Has anyone changed or converted the headlights to a bulb unit ?
Barrie
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U.K.

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Re: Headlight / Headlamp Conversion.

Postby SturmTyger380 » May 3rd, 2018, 12:40 pm

Some of the classic car crowd here in the states want the original headlights on things like their 1960's Impalas. I think it is a T5 marking on the glass.

What they do is carefully cut out the back of the bulb and somehow fix a modern bulb in place of the filament. I bet if you googled around a while you would find something about it.
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Re: Headlight / Headlamp Conversion.

Postby rickf » May 3rd, 2018, 1:46 pm

I put the later Military LED's in mine. It may not be original but it sure does make it easier for these old eyes to see at night.
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Re: Headlight / Headlamp Conversion.

Postby muttguru » May 3rd, 2018, 4:45 pm

Barrie wrote: Has anyone changed or converted the headlights to a bulb unit ?


Hello Barrie.....I found that Hella H4 headlights (the same as in the early Golf/Polo) are exactly the same mounting. The reference details are:-
Hella Halogen H4 7"
Ref: 1L6-002-395-261

The differences between the Hella and the original GE are:-
1. Hellas have a flat lens, not convex (you can live with that, I reckon);
2. They take a separate bulb (and I use a 24v Halogen bulb...which is great);
3. They also have a "pilot" bulb socket (which you can use for sidelights);
4. The main drawback is that they DON'T have the rubber push-on connectors. So to avoid damaging the original harness, you need to get a plastic connector which fits to the rear of the bulb (you'll get two from a scrapyard)...then after fitting the headlight bulb, you add the connector to the rear of the bulb, then use bullet connectors to adapt the headlight connector to the harness. Not as difficult as it sounds. And if a bulb fails, you can replace it really easily.
I understand that the British Army has a very similar headlight unit (similar to the Hella), the differences are that it has a convex lens and is also stamped FV XXXX .
I've seen them at fleamarkets, but never bothered swapping the Hella units I already have.

PS... there's also a great writeup on Mr Garbee's website at http://www.garbee.net/~cabell/headlights.htm
Ken
Kind regards....
Ken

Always wanted - Details and pictures of M416 Trailer data plates & M151 data plates & body-tags for my research. Thanks!

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Notes for 2018...... Doing nothing is ALWAYS an option !
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Re: Headlight / Headlamp Conversion.

Postby svramselaar » May 4th, 2018, 12:55 am

hi

sorry ken
golf or polo don`t fit the size is the same bud the mount don`t fit
he must have the ones from a MG / old mini / Austin
it are the 7 inch size ones h4 with three notches at the back
for more light i use 90/100watt bulbs


george
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Re: Headlight / Headlamp Conversion.

Postby Barrie » May 8th, 2018, 12:47 am

Ken,

Thank you very much, that was the sort of info I was looking for, knew I could rely on you.

George,

Also thanks to yourself, I now know where to go with this conversion.
Barrie
South Wales
U.K.

M151A1 - 1969
M274 - 1969
Ford GPW - 1945
Daimler Dingo - 1943
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Re: Headlight / Headlamp Conversion.

Postby eaglevets » May 10th, 2018, 5:18 pm

Anyone have this issue? Wiring and ground check out OK, but keep blowing the low beam on my passenger side headlight. Eventually I lose the high beam too. Very perplexing.
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Re: Headlight / Headlamp Conversion.

Postby kmam » May 10th, 2018, 6:55 pm

Not had that problem and do not know what would cause it. However, assuming you are using 24V lights, so far as I know the only reasons it will blow are:

1. if it is a sealed beam then a crack has developed in the glass - maybe the sealed beam is under stress in its mounting for some reason leading to a fine fracture over time;

2. it has gone overvoltage on that light. Would seem to be pretty odd to happen to one light out of all those in the vehicle but I would be checking the output from your alternator just to be sure.

As I said, I don't know, but my money would have to be on 1.

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Re: Headlight / Headlamp Conversion.

Postby rickf » May 11th, 2018, 1:31 pm

Are you using the after market lights? They tend to be very short lived.
1964 M151A1
1984 M1008
1967 M416
04/1952 M100
12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone
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