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R8 binnacle illumination
Posted: Mon Dec 02, 2024 9:08 pm
by MatthewL
Hi. I wasted about 3 hours trying swap binnacle bulbs in my Rover. The needle for the engine temp didn’t illuminate but the dial did.
Naturally I bought the wrong bulbs assuming they needed the cap and bulb - they didn’t. Just the capless miniature bulbs. But there are 2 sizes of bulb - the side dials are both T5 and the 3 main dial ones are T6.5. I was amazed to see these were clear bulbs with little orange rubber sleeves. The larger ones looked a bit “bleached”.
For anyone who has had the binnacle out it’s a pain of a job involving feeding the Speedo cable through the bulkhead ftom the engine bay.
So any tips on lighting the temp needle? I’m guessing I may need to replace the T6.5s to get it to light as the new T5 behind the temp dial didn’t do it.
Re: R8 binnacle illumination
Posted: Sat Jan 11, 2025 10:27 pm
by ROVER Cabby
I would go LED.
You can get T6.5 in LED guise prefitted with resistors.
If you want to keep the factory look, go with warm white.
Re: R8 binnacle illumination
Posted: Sun Jan 12, 2025 8:28 am
by MatthewL
Where can I find these please? I’ve been struggling! Also does anyone know of an effective orange filter (paint or sleeve) you can buy to put over it?
Re: R8 binnacle illumination
Posted: Mon Jan 13, 2025 2:19 am
by Johnny 216GSi
I've just read this thread. I didn't have to look too far:
https://www.ebay.co.uk/itm/23540881527
Otherwise, buy branded T5 and T6.5 bulbs, such as those made by Osram.
Re: R8 binnacle illumination
Posted: Tue Jan 14, 2025 12:49 am
by ROVER Cabby
MatthewL wrote: ↑Sun Jan 12, 2025 8:28 am
Where can I find these please? I’ve been struggling! Also does anyone know of an effective orange filter (paint or sleeve) you can buy to put over it?
I had a look on eBay and found these in orange. I will warn you, although the seller lists them as being LED, the illustrations are of conventional filiment bulbs.
They should work fine as is though.
T5 -
https://www.ebay.co.uk/itm/134965857705
T6.5 -
https://www.ebay.co.uk/itm/226448520679
I also found the pics of my ROVER 25 dials with cool white LEDs behind them. They still lit up OEM orange but with a nice modern glow.

Re: R8 binnacle illumination
Posted: Tue Jan 14, 2025 12:53 am
by ROVER Cabby
Linky no worky pal, think it's short a number.
Re: R8 binnacle illumination
Posted: Sun Jan 19, 2025 9:54 am
by MatthewL
Thanks Rover Cabby - I’ve now found those. Wow - they like to charge for a tiddly bulb but needs must! Hope they last better than recent Chinese bulbs I’ve bought. There’s no way these days to tell whether a product is good quality and higher price doesn’t seem to be a guarantee!
Re: R8 binnacle illumination
Posted: Tue Jan 21, 2025 12:22 am
by ROVER Cabby
No problem. You could sell the ones you use on to someone else.
If they are LED, I might be interested.
Re: R8 binnacle illumination
Posted: Sun Feb 02, 2025 10:41 pm
by MatthewL
Yep - I’m expecting poor quality filament bulbs. Ordered 19th Jan. die 24th Feb apparently. Should have tried to find sone in the U.K…..
