mk1-forum.net

Hi -

I'm putting together a parts order, and I need some new front indicator sockets. My '65 850 (export) had dual filament bulbs when I tore it down for restoration. It seems there are two different sockets - single filament and dual filament fitments. Unfortunately, the dual filament sockets seem to be less available. Can someone tell me what the main differences are? Is it the wiring connectors, bulb size....?

Thanks,
Warwick

Bulb size is the same, but the dual filament bulb has two terminals on the end whereas the single filament one has a single terminal, the end cap provides the second (or third terminal). The bulb holders have to have the corresponding numbers of terminals to match. There are a couple of different styles but the one with the offset pins in the sidesof the end cap is the more usual on our cars, it makes the bulb align correctly. The designation of the dual filament end cap is BAY15D.

Tim

Thanks! Guess I'll look around and see if someone has the dual sockets in stock. Was hoping to get everything from one source (ordering from the UK)!

Cheers,
W

The bases are available seperately, or you can replace the whole lamp. Holden in the Uk stock a good range, but other places probably have them too. Holden's prices can be a bit steep.

Tim

Hello, isnt the dual filament for sidelights and indicators? are the glass lense parts flat or domed? if flat i think i know what there off, flat ones were used on healey sprites. If there the ones im thinking about im prity sure i have a spare one or perhaps even two.

http://www.ahspares.co.uk/en/products/default.aspx

hope this helps.

sorry i just tried the link and it didnt work. you need to click it on sprite and under lighting!

warick

your car was probably fitted with dual bulb holders due to local lighting regulations

i.e the side lamps had to be seperate from the main/dip headlamp unit.

they where never used on uk sold minis, in part, because after 1963 the indicator lamp had to show orange light - hence why all red rear lenses and clear front indicator lenses are often called 'export lenses'

the bulbs (in the front units) are different wattages as well, 21w for the indicator, 5w for the side marker, so the bulbs (and the bulbholders) are (or should be) the offset pin type.

the bulb holders also differ from those used with the flat glass lenses - the bulb sits further back in holder on that type of unit.

Readily available in N. America. Note different bulbs are used.

http://www.7ent.com/detail.cfm?pageid=3479
http://www.7ent.com/detail.cfm?pageid=3478

Michael
http://www.sevenminiparts.com

You can get the dual filament bulb holder here, part No. 481

http://www.vintagemotorspares.com/phdi/ ... ent&part=6

Hi Warwick,
I got your PM, but can't reply due to a problem on the site's server. Seven is about 30 minutes east of Sacramento on I-80 in Auburn. We can have a windscreen set out for you, and any other parts you need to save you time. Feel free to come by. Give Jack a call. 530-886-0771 from CA or 800-992-7007 inside US.
Michael

Thanks, got your PM! I'll have to see how I can time the departure to make it there when you're open!

Cheers,
W