I've discovered a bulb chart in one of my Toledo books and it lists the same bulb for the interior light so it is the same for the centre mounted interior light on the early cars and that the bulbs for the warning lights on the flat dash cars are indeed the same as the boot and instrument illumination. The 3 digit number are Lucas part numbers and the Unipart numbers are basically the Lucas numbers prefixed with GLB. There are also Stanpart numbers for the earlier cars.
Straying back into LED territory, there's an article in Practical Classics saying that fitting LED bulbs is illegal on some cars because it varies from the original specification. This is a technical thing and the vast majority of the police are probably unaware of this. LED bulbs certainly won't fail an MoT (not if you follow this guide). You can get warm white bulbs which give a similar light to an ordinary bulb. I've had a look on the legislation.gov website and I came across The Road Vehicles Lighting Regulations 1989. Part II, Regulation 14 covers filament bulbs and I've quoted it below.
Quote:
14. (1) Where a motor vehicle first used on or after 1st April 1986 or any trailer manufactured on or after 1st October 1985 is equipped with any lamp of a type that is required by any Schedule to these Regulations to be marked with an approval mark, no filament lamp other than a filament lamp referred to in the Designation of Approval Marks Regulations in–
(a) regulation 4 and Schedule 2, items 2 or 2A, 8, 20, 37 or 37A; or
(b) regulation 5 and Schedule 4, item 18,
shall be fitted to any such lamp.
It would seem that "our" cars aren't affected but it isn't quite as simple as that. The next time I'm in my local Asda, I'll take a look at the article in Practical Classics and get some more info.
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Toledo Man
West Yorkshire Area Organiser & forum moderator
Meetings take place on the first Wednesday of the month at 8.00pm at The Old Brickworks, Wakefield Road, Drighlington, Bradford, BD11 1EA
1972 Dolomite 1850 auto (NYE 751L - Now for sale)
2003 Volvo XC90 D5 SE (PX53 OVZ - The daily driver)
2009 Mercedes-Benz W204 C200 CDI Sport (BJ58 NCV - The 2nd car)
1991 Toyota Celica GT (J481 ONB - another project car)
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