[Mgs] LED instrument lights

Tue Jul 7 19:27:06 MDT 2020

They draw a lot less current than the bulbs they replace. You could dim 
them, but you'd need a different rheostat. Like the electronic flashers, 
electronic dimmers are insensitive to the load current.

On 7/7/2020 1:37 PM, Max Heim wrote:
> I used these bulbs just for the instrument panel lamps. The instrument 
> panel turn signal indicators would take the same bulb.
>
> Although the bulbs are advertised as “dim-able” in my experience they 
> are either on or off — full brightness or not visible. It could very 
> well be that a electronic dimmer is required, and they don't “dim” 
> with the old-fashioned rheostat.
>
> The tail and stop lamps take a different base, and one would want the 
> largest/brightest unit available. I installed the ones offered by Moss 
> Motors.
>
> I tried the LEDs offered by Moss for the front turn indicators, but 
> they didn’t work on my car — they were too long. When I tightened down 
> the lens screws, it pressed the bulb down into the socket, cutting off 
> the current. Later I figured out that I could have doubled up on the 
> foam gaskets and prevented this.
>
> Note that using LEDs in the turn signal circuit requires one to 
> install a electronic flasher unit.
>
> LED headlamp conversions are a more complex subject which I have not 
> investigated.
>
>
> --
> Max Heim
> mvheim at sonic.net <mailto:mvheim at sonic.net>
>
>
>
>> On Jul 7, 2020, at 12:49 PM, Barrie Robinson <barrob at bell.net 
>> <mailto:barrob at bell.net>> wrote:
>>
>> Hello Max,
>>
>> That is brilliant (sorry for the pun!)
>>
>> Did you by any chance get LEDs for rear brakes and turn bulbs or 
>> elsewhere ?  You don't do the turn ones but I think brighter would be 
>> better. Do you have reference number for them and brakes ???- I 
>> looked at my bulbs but no numbers !!!! The only place I would not use 
>> LEDs is the head light - too expensive.
>>
>> But one thing - it says you can dim with normal rheostat as used 
>> originally.   I /must/ use a 'inverter' from SpeedHut to dim my 
>> speedo and tach - So does that mean I keep the currently installed 
>> dimmer with the LEDLight bulbs and add another dimmer for the 
>> SpeedHuts ?  Actually that's sort of sexy - individual dimming  - wow 
>> !!!!!
>>
>> Your information was a relief as I was humming and harring about what 
>> to get!
>>
>> Cheers
>> Barrie
>>
>>
>>
>>
>>
>>
>>
>> On 7/7/2020 1:00 PM, Max Heim wrote:
>>> I bought these LEDs for the instruments in my 1966 B, from 
>>> LEDLight.com <http://ledlight.com/>.
>>>
>>> Product ID 57567
>>> #1487 Miniature Bulb E10 Base 5 5050 12V Dim-able T3 1/4
>>> Color: Warm White 3000K
>>> $2.42 ea.
>>>
>>> Note that there are brighter bulbs, but they contain more LED 
>>> elements and are longer, and will not fit in the fuel or combo gauge 
>>> locations. The number after the word “Base” indicates the number of 
>>> elements. The next size would be a “9”.
>>>
>>> I chose Warm White to simulate the color of the incandescent bulbs. 
>>> I had tried the Bright White bulbs but I didn't like the effect — it 
>>> was slightly bluish and actually tended to wash out the lettering on 
>>> the gauges.
>>>
>>> I did not use LEDs in the turn signal indicators because I didn't 
>>> see any need for them to be brighter.
>>>
>>> --
>>> Max Heim
>>> '66 MGB
>>>
>>>> On Jul 7, 2020, at 8:59 AM, Barrie Robinson <barrob at bell.net 
>>>> <mailto:barrob at bell.net>> wrote:
>>>>
>>>> Hello Folks,
>>>>
>>>> I have installed a SpeedHut speedo and tacho in my MGB GT V8 (not a 
>>>> factory one) and they are superb. But the dimmer does not work on 
>>>> them.  So I have decided to put LED bulbs in the remaining four 
>>>> smaller gauges and this means I have to install a LED dimmer for 
>>>> all six gauges.   SpeedHut supply an LED dimmer but despite many 
>>>> emails I cannot find how their dimmer hooks up with their gauges 
>>>> and my to-be-installed LEDs in the smaller four. (Probably affected 
>>>> by the dreaded virus - which we know is a hoax).  I do not to know 
>>>> what LED bulbs I get for my 4 small gauges - and I need the new 
>>>> stronger ones.   I bought LEDs a while way back and they were no 
>>>> stronger than the incandescents !!!
>>>>
>>>> So is there anyone who is into this subject as your help would be 
>>>> much appreciated.
>>>>
>>>> I do hope that all is well with you and yours.  We are not doing 
>>>> badly and so far the dreaded lurgy has not come near us - but 
>>>> taking super precautions including face masks.
>>>>
>>>> Cheers
>>>> Barrie
>>>> _______________________________________________
>>>>
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>>>
>>
>
>
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