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Nov 11, 2024 19:04:38 GMT
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My American Ford ltd has orange sidelight & bumper markers. For the UK, I obviously need white sidelights. When I pulled the old headlights someone had boot universal lights as a replacement for the og sealed beam. These had a sidelight inset in them with a grommet. They were never used but I'd like to do the same with my mew sealed beam headlights. Has anyone ever drilled the back of a headlight? What bit should I use? I was thinking a ceramic tile drill bit. Other than that a place to source headlights with the option of a push in sidelight bulb holder.  |
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Nov 11, 2024 19:47:02 GMT
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 I have used these for glass with a plasticine reservoir around the area with white spirit to lubricate. All worked well but never drilled a headlight. |
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Rich
Club Retro Rides Member
Posts: 6,335 
Club RR Member Number: 160
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Drilling headlightsRich
@foxmcintyre
Club Retro Rides Member 160
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Nov 11, 2024 20:07:34 GMT
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I’ve you’ve got sealed beam headlight replacements you can’t drill a hole in them as the inert gas will escape and the lamp will immediately fail. If they are using a separate bulb unit you can drill a hole.
You could use a dim-dip system from a 90’s car to illuminate the headlamp dip circuit at reduced voltage in the parking lamp position, no one said it had to be a separate bulb for the front parking lamps.
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Last Edit: Nov 11, 2024 20:08:58 GMT by Rich
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jimi
Club Retro Rides Member
Posts: 2,219
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^^^^ Rich is spot on, in effect a sealed beam is like a big halogen lamp, let the gas out and it's junk.
Most dim/dips used a relay and resistor (usually somewhere in 0.5 to 1 ohm range) to drop the output of the dip beams (to around 20% IIRC) and operated when the ignition and sidelights were on.
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Last Edit: Nov 12, 2024 1:37:36 GMT by jimi
Black is not a colour ! .... Its the absence of colour
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Nov 12, 2024 22:34:18 GMT
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Could the headlight be modified to take a H4 bulb?
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1966 Ford Cortina GT
2018 Ford Fiesta ST
Full time engineer, part time waffler on Youtube - see Jim_Builds
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jimi
Club Retro Rides Member
Posts: 2,219
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Nov 12, 2024 23:16:27 GMT
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Not really, certainly not something I'd want to try. They look like a fairly standard size, 6" x 4" ? You can get units that will take an H4 lamp and have a built in sidelight.
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Black is not a colour ! .... Its the absence of colour
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Would a Hella 1AB 003 177-791 fit in?
Most seem to be specified for 24v but you could swap the bulbs.
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Not really, certainly not something I'd want to try. They look like a fairly standard size, 6" x 4" ? You can get units that will take an H4 lamp and have a built in sidelight. If they are that size, there's a billionty options for headlights. DRL, LED, HID, there's loads quite cheap on ebay. |
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jimi
Club Retro Rides Member
Posts: 2,219
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Nov 13, 2024 10:11:30 GMT
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There's even a cheap conversion kit on the bay, with sidelights, although this one is LHD Linky |
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Black is not a colour ! .... Its the absence of colour
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Nov 13, 2024 10:43:56 GMT
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I'd go down the alternative lighting route as above, far easier and will a better fit, not just for bulbs but moisture control as well.
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Nov 13, 2024 13:30:47 GMT
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There's even a cheap conversion kit on the bay, with sidelights, although this one is LHD LinkyThey're actually perfect. I'll double check sizes but that looks very promising. Thanks. |
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Nov 13, 2024 13:37:35 GMT
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The standard American sealed beam is the same as the "standard" Japanese H4 lights so you can easily get RHD pattern ones. Will Datsun used to be a good source of these (Datman)
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1941 Wolseley Not Rod - 1956 Humber Hawk - 1957 Daimler Conquest - 1966 Buick LeSabre - 1968 Plymouth Sport Fury - 1968 Ford Galaxie - 1969 Ford Country Squire - 1969 Mercury Marquis - 1970 Morris Minor - 1970 Buick Skylark - 1970 Ford Galaxie - 1971 Ford Galaxie - 1976 Continental Mark IV - 1976 Ford Capri - 1994 Ford Fiesta
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