Headlamp bulb issue – AJS & Matchless Owners Club

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G3L1946

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Posts: 538Joined: Tue Feb 25, 2020 1:57 pm

Locale: North Yorkshire British isles

Headlamp bulb challenge

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by G3L1946 » Sat Mar 02, 2024 3:07 pm

Hello,

While doing a handful of checks I noticed that my headlamp beam did not change when dipped or when on key beam ( Ive not experienced the bicycle long so not definitely discovered it in advance of ). Searching at the guide ( 1947
G3L ) it refers to etching on the bulb indicating position to be mounted. It is the authentic bulb holder necessitating the bulb to be pushed in or outwards to target. Simples, but the bulb has no etchings or other indicates to show orientation. The two filaments lay side by aspect and seem identical (6volt). See photo. I consider this might not be the appropriate bulb?
Any support in having this sorted would be greatly appreciated.
If a made the decision to go the led route is there a bulb readily available requiring no modifications. I did obtain a led for the rear/ halt lamp which is great.

IMG_2860.jpeg

As always,

Appreciated,

Steve

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clive

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Posts: 5653Joined: Mon Jan 01, 1990 12:00 am

Locale: LONDON United kingdom

Re: Headlamp bulb problem

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by clive » Sat Mar 02, 2024 7:27 pm

As you say the adjustment in and out will only mprove the aim not change in between dip and beam. Having filaments beside every single other implies there will be no modify among them. When i had this sort of gentle some many years in the past these facet by side filament bulbs ended up all that i could find. Fantastic luck in tracking some thing superior down

clive
if it ain’t broke really don’t deal with

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G3L1946

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Posts: 538Joined: Tue Feb 25, 2020 1:57 pm

Location: North Yorkshire British isles

Re: Headlamp bulb difficulty

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by G3L1946 » Sat Mar 02, 2024 7:32 pm

Thanks Clive. The bulb doesnt look to be a primary/dip type bulb. Im also discovering a possible LED possibility .
Regards,

Steve

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G3L1946

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Posts: 538Joined: Tue Feb 25, 2020 1:57 pm

Place: North Yorkshire United kingdom

Re: Headlamp bulb difficulty

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by G3L1946 » Solar Mar 03, 2024 7:22 am

Hello Clive and some others,

I consider this may possibly do the task? Confirmed it is large and minimal beam.

Fleebay merchandise. Just over 8 every. Observed, accessible in Pos. and Neg. earth.

Steve

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clive

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Re: Headlamp bulb issue

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by clive » Tue Mar 05, 2024 9:34 am

I acquired an LED from ebay (not automatically this just one but related) which claimed to be 6V. When it came it did function on 6 V but was not pretty bright. Conversation with the seller proven they worked from 6 to 24 V. At 12v it was very shiny so i hung on to it as i have some 12V bikes. No use at 6V however. Would be fascinated in your expdrience.

clive
if it ain’t broke will not repair

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G3L1946

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Posts: 538Joined: Tue Feb 25, 2020 1:57 pm

Place: North Yorkshire Uk

Re: Headlamp bulb difficulty

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by G3L1946 » Tue Mar 05, 2024 10:12 am

Hello Clive,

I did see other options that, as you say, were being equipped to operate at a assortment of voltages. I, way too, experienced a conversation with the vendor each to set up that it was a dim/dip bulb and to ensure voltage. Both solutions ended up in the good ( no pun intended!). I pointed out also that some bulbs ended up constructive, destructive earth or even bi- polarity. As it was only 8 I considered it worth a check out. When Ive obtained some benefits I will post my conclusions. Its coming from PRC so could be a week or so prior to receiving it.
The led fitted to the rear gentle/ brake light presented very good final results ( and was little sufficient to match into the authentic MT 110 kind lamp purchased from the club store).

Cheers,

Steve

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G3L1946

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Posts: 538Joined: Tue Feb 25, 2020 1:57 pm

Locale: North Yorkshire British isles

Re: Headlamp bulb issue

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by G3L1946 » Tue Mar 19, 2024 5:21 pm

Hi Clive et Al,

Nicely, fitted the led it acquiring arrived from PRC at prolonged last. Fitted bulb and labored perfectly, no orientation required for significant or reduced beam. Required to marginally file one particular of the bayonet pins as it was also long. On take a look at drew .4 amps on significant beam. This is a 6 volt, optimistic earth bulb. Not multi volt ( 6 to 24 volt ). My 47 had been transformed to beneficial earth. With rear mild (led also) and complete beam less than 1 amp drain. See images, major beam and ammeter reading. A marked improvement specifically as the reflector experienced been painted silver, I taken off the paint, and cautiously polished the reflector with silver plate polish. I know thats not a pretty fantastic notion but requirements ought to. Very happy with the end result.

Regards,

Steve

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Colonel Blink

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Posts: 23Joined: Fri Oct 03, 2014 2:34 pm

Place: WEST YORKSHIRE United kingdom
Place: Ilkley

Re: Headlamp bulb difficulty

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by Colonel Blink » Wed Mar 20, 2024 9:07 am

That is awesome to know, supplied that sometime in the subsequent month or two I will wiring up my 52 G80S and have made the decision to continue to keep it 6V and go the LED route.
I would be interested in what it is like to ride with…..

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