Moliver Posted May 15, 2020 Report Share Posted May 15, 2020 Hi There, After ordering the wrong type the 4th time now.... Can anyone advice the correct bulb type for the high beam control light - it is not a BA7s I know for sure Thanks Oliver Quote Link to post Share on other sites
Drewmotty Posted May 15, 2020 Report Share Posted May 15, 2020 If you mean the warning light it’s an E10. Quote Link to post Share on other sites
Moliver Posted May 17, 2020 Author Report Share Posted May 17, 2020 I mean the blue control light inside the speedo -is this what you are refering to with " warning light " Oliver Quote Link to post Share on other sites
Drewmotty Posted May 17, 2020 Report Share Posted May 17, 2020 That’s correct. Quote Link to post Share on other sites
RogerH Posted May 17, 2020 Report Share Posted May 17, 2020 Hi Oliver, this is what you need item#6 https://www.moss-europe.co.uk/shop-by-model/triumph/tr2-4a/electrical-system/gauges-instruments/instruments-cables-dash-switches-tr2-3a-1953-62.html Roger Quote Link to post Share on other sites
Lebro Posted May 17, 2020 Report Share Posted May 17, 2020 Blue ? mine is red Bob. Quote Link to post Share on other sites
stuart Posted May 17, 2020 Report Share Posted May 17, 2020 3 hours ago, Lebro said: Blue ? mine is red Bob. Later ones are blue.Changed sometime in 3a production AFIK Stuart Quote Link to post Share on other sites
dwaters Posted May 18, 2020 Report Share Posted May 18, 2020 My main beam indicator (with red lens) uses an LLB987 but I had to try several bulbs before I got one with the right diameter and the correct thread profile to fit in the pressed screw threads on the 60 year old bulb holder. Yes, it’s classed as an E10 or MES thread but manufacturing tolerances seem to vary. Most of the new ones I tried had too large a cap diameter and too poorly defined threads to fit. And very unhelpfully I don’t know which supplier the successful little green box came from, so I’ll have to go through it all again next time! David Quote Link to post Share on other sites
tr2_applegreen Posted May 19, 2020 Report Share Posted May 19, 2020 On 5/17/2020 at 10:18 PM, stuart said: Later ones are blue.Changed sometime in 3a production AFIK Stuart That is interesting, Stuart. Mine is blue (TS8431). So I should change it against a red one. Quote Link to post Share on other sites
Lebro Posted May 19, 2020 Report Share Posted May 19, 2020 Not that easy, the colour is not set by the bulb, but by a tiny coloured disc whch fits in the dial. Speedo needs partial stripping to get to it. Bob. Quote Link to post Share on other sites
stuart Posted May 19, 2020 Report Share Posted May 19, 2020 4 hours ago, tr2_applegreen said: That is interesting, Stuart. Mine is blue (TS8431). So I should change it against a red one. Why worry, at least you have something in there, Ive lost count of the number of them Ive seen with nothing in there so you just see white light. Stuart. Quote Link to post Share on other sites
tr2_applegreen Posted May 19, 2020 Report Share Posted May 19, 2020 4 hours ago, Lebro said: Not that easy, the colour is not set by the bulb, but by a tiny coloured disc whch fits in the dial. Speedo needs partial stripping to get to it. Bob. Thanks for the input, bob. I will have to check. Last year, when switchting to LED for instruments illumination, I remember that i pulled out a blue plainted bulb and replaced it by an LED one. I don't remember an additional lens/disc. Quote Link to post Share on other sites
Deggers Posted May 19, 2020 Report Share Posted May 19, 2020 (edited) 5 hours ago, Lebro said: . . . the colour is not set by the bulb, but by a tiny coloured disc which fits in the dial. Or "warning jewels". Like these ? Cheers, Deggers Edited May 19, 2020 by Deggers Quote Link to post Share on other sites
Lebro Posted May 19, 2020 Report Share Posted May 19, 2020 No, not like that, the early TR's had a tiny (2 -3 mm across) flat disk which is held in a cup which is part of the dial. It often falls out & gets lost. Bob. Quote Link to post Share on other sites
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