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Author Topic: light warning comes on but lights seem ok  (Read 828 times)

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Enceladus

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Re: light warning comes on but lights seem ok
« Reply #15 on: 02 October 2019, 04:37:32 »

I find that those 21/5W bulbs are best changed in pairs. Once one side blows the other is not far behind, even if it's a newer bulb. Use a pair of good quality bulbs and they will last. The ubiquitous Eurolec bulbs are more Euroc**p.
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Doctor Gollum

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Re: light warning comes on but lights seem ok
« Reply #16 on: 02 October 2019, 07:25:50 »

I find that those 21/5W bulbs are best changed in pairs. Once one side blows the other is not far behind, even if it's a newer bulb. Use a pair of good quality bulbs and they will last. The ubiquitous Eurolec bulbs are more Euroc**p.
As a VX person, you should well know that the Omega uses 21/4 bulbs. Not the same thing ;)
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Doctor Gollum

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Re: light warning comes on but lights seem ok
« Reply #17 on: 02 October 2019, 07:49:51 »

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Andy B

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Re: light warning comes on but lights seem ok
« Reply #18 on: 02 October 2019, 08:19:40 »

I find that those 21/5W bulbs are best changed in pairs. Once one side blows the other is not far behind, even if it's a newer bulb. Use a pair of good quality bulbs and they will last. The ubiquitous Eurolec bulbs are more Euroc**p.
As a VX person, you should well know that the Omega uses 21/4 bulbs. Not the same thing ;)

Go on then Al ..... explain. I have to admit I've never heard of the latter  :-\

 but I've not needed to buy a stop/tail bulb for a while
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Doctor Gollum

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Re: light warning comes on but lights seem ok
« Reply #19 on: 02 October 2019, 08:46:16 »

Brief explanation here... https://www.pistonheads.com/gassing/topic.asp?t=1347621
The fittings are different, one is vertically offset, but otherwise opposite, tother is offset both vertically and laterally.

Both will technically fit by virtue of force and the crude design of the cluster contacts, but neither will accurately locate if you try which will lead to immediate contact issues and also severely limit the subsequent reliability should the correct bulb be fitted at a later point because the fitting on the bulb holder will have been irreversibly distorted  ;)
« Last Edit: 02 October 2019, 08:51:57 by Doctor Gollum »
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Andy B

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Re: light warning comes on but lights seem ok
« Reply #20 on: 02 October 2019, 19:25:17 »

Brief explanation here... https://www.pistonheads.com/gassing/topic.asp?t=1347621
The fittings are different, one is vertically offset, but otherwise opposite, tother is offset both vertically and laterally.

Both will technically fit by virtue of force and the crude design of the cluster contacts, but neither will accurately locate if you try which will lead to immediate contact issues and also severely limit the subsequent reliability should the correct bulb be fitted at a later point because the fitting on the bulb holder will have been irreversibly distorted  ;)

Ah! Which explains why you see cars with different brilliancy tail lights  :y.... one is a tail light T'other is a brake light  ::)
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henryd

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Re: light warning comes on but lights seem ok
« Reply #21 on: 04 October 2019, 19:37:21 »

Brief explanation here... https://www.pistonheads.com/gassing/topic.asp?t=1347621
The fittings are different, one is vertically offset, but otherwise opposite, tother is offset both vertically and laterally.

Both will technically fit by virtue of force and the crude design of the cluster contacts, but neither will accurately locate if you try which will lead to immediate contact issues and also severely limit the subsequent reliability should the correct bulb be fitted at a later point because the fitting on the bulb holder will have been irreversibly distorted  ;)

My Vw uses the offset pin 21/4 watters too :y
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Enceladus

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Re: light warning comes on but lights seem ok
« Reply #22 on: 05 October 2019, 01:12:53 »

I find that those 21/5W bulbs are best changed in pairs. Once one side blows the other is not far behind, even if it's a newer bulb. Use a pair of good quality bulbs and they will last. The ubiquitous Eurolec bulbs are more Euroc**p.
As a VX person, you should well know that the Omega uses 21/4 bulbs. Not the same thing ;)
Saloons use dual filament 21/5W for the rear stop/tail bulb. And single filament 21W for the rear fog and reverse.
Estates use dual filament 21/4W for the rear fog/tail bulb. And single filament 21W for the rear stop and reverse.
The required bulb types are stated on the bulb holders.
I have no idea why the dual filament bulbs are different saloon to estate.
« Last Edit: 05 October 2019, 01:30:32 by Enceladus »
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Nick W

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Re: light warning comes on but lights seem ok
« Reply #23 on: 05 October 2019, 17:22:51 »

I find that those 21/5W bulbs are best changed in pairs. Once one side blows the other is not far behind, even if it's a newer bulb. Use a pair of good quality bulbs and they will last. The ubiquitous Eurolec bulbs are more Euroc**p.
As a VX person, you should well know that the Omega uses 21/4 bulbs. Not the same thing ;)
Saloons use dual filament 21/5W for the rear stop/tail bulb. And single filament 21W for the rear fog and reverse.
Estates use dual filament 21/4W for the rear fog/tail bulb. And single filament 21W for the rear stop and reverse.
The required bulb types are stated on the bulb holders.
I have no idea why the dual filament bulbs are different saloon to estate.




of course you do: German engineering
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