Lotus Elan

Dash Harness Bulb Holders

PostPost by: AHM » Sun Oct 09, 2016 6:35 pm

Hi All,

I have my new S3 dash and am fitting the new harness.

The harness was from PM and is good but the telltale bulb holders are a different design. That is a good thing as the old type were a dodgy and the reason I am changing the harness.

The question is which bulbs fit the new holders, and where can I get them?

dsc_1050.jpg and

dsc_1051.jpg and
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PostPost by: elanfan1 » Sun Oct 09, 2016 8:21 pm

Left one looks like a bayonet fitting the other looks like Edison screw.

Take advantage and fit some small LED bulbs instead, brighter and will last forever.
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PostPost by: AHM » Sun Oct 09, 2016 8:41 pm

Yes Steve, well more a push fit bulb, but which bulb and where do I get them from?
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PostPost by: types26/36 » Sun Oct 09, 2016 8:59 pm

The are called capless bulbs, should be available at any auto electrical supplier.
https://www.google.co.uk/#q=capless+bulbs&tbm=shop
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PostPost by: elanfan1 » Sun Oct 09, 2016 9:03 pm

Think they are BA9's. Plenty on fleabay

http://www.ebay.co.uk/sch/i.html?_odkw= ... s&_sacat=0

Following Brian's post I've taken a closer look and think he might be right. As its a Matty loom what do they say.
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PostPost by: AHM » Sun Oct 09, 2016 9:19 pm

definately not BA9 that is a standard bayonet bulb - got lots of those.
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PostPost by: Chancer » Mon Oct 10, 2016 7:44 am

Its a festoon bulb.

Very common.
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PostPost by: lotusfan » Mon Oct 10, 2016 8:25 am

AHM

Here's what you are looking for

http://www.autoelectricsupplies.co.uk/product/717

HTH
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PostPost by: elanfan1 » Mon Oct 10, 2016 10:10 am

Simon,

These are what I'd fit -?7.45 delivered for 10 -0.5w 12v LED (they should be roughly equivalent to 4/5 watts so a bit brighter and virtually indestructible):

http://www.ebay.co.uk/itm/10-x-3-LED-T5 ... Swwo1Xc8kI
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PostPost by: bill308 » Mon Oct 10, 2016 8:32 pm

Hi Simon.

I like the idea of LED dash lamps. But the LED units you show will not fit in dash loom sockets, without some kind of adaptor, whatever it might be. How are they mounted?

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PostPost by: JJDraper » Mon Oct 10, 2016 8:38 pm

Endorse the use of LEDs in the dash - apart from the charge warning light. I believe this needs to be a filament bulb. Not sure why, but I have been 'told' this! Any electrical whizzes know why??

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PostPost by: Chancer » Mon Oct 10, 2016 8:52 pm

The alternator field windings need it for excitation, self excitation requires much faster reciprocating movement :shock: :D
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PostPost by: AHM » Tue Oct 11, 2016 1:11 am

Thanks for all the comments.

I have tried the capless sidelight bulb from a modern car - It fits. So I will order the correct wattage.

The new sockets are only on the telltale lights so will stick to normal bulbs.
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PostPost by: Bombay Racing Green » Wed Oct 12, 2016 8:14 am

Sorry to join the thread so late.

They are the same holders as mine. I have just changed over to LEDs from bettercarlighting.co.uk. Very pleased with the results. Give Gil (the owner/sales & engineer) a call. He was very helpful in identifying the correct bulbs for my needs. He also helped with advice on the wiring for my indicators. No relation, just a satisfied customer.

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