murrayarnold Posted January 12, 2021 Report Share Posted January 12, 2021 Hi all. I have my dash out and am going to give the gauges a wee clean up. I was looking at he old bulbs and wandering about upgrading them to LED. Has anyone done this, did it work out and where did you buy them. Thanks in advance. Quote Link to post Share on other sites
Kevo_6 Posted January 12, 2021 Report Share Posted January 12, 2021 Hi Murray I bought these and I’m very happy with them. https://www.classiccarleds.co.uk/products/triumph-tr6-warm-white-gauge-10-x-led-bulbs-upgrade-kit-glb987-e10-mes-987?_pos=3&_sid=30b5d159e&_ss=r&variant=8306707365983 Quote Link to post Share on other sites
SteveB21 Posted January 12, 2021 Report Share Posted January 12, 2021 Same here - very pleased with the warm white LED set and the associated coloured bulbs. Steve Quote Link to post Share on other sites
Drewmotty Posted January 12, 2021 Report Share Posted January 12, 2021 (edited) Green LEDs here.Again from Classic Car LEDs. Rheostat is bypassed and switch position used for electric fan override. Edited January 12, 2021 by Drewmotty Quote Link to post Share on other sites
John Morrison Posted January 12, 2021 Report Share Posted January 12, 2021 I have the white and think they look superb. John. Quote Link to post Share on other sites
iani Posted January 13, 2021 Report Share Posted January 13, 2021 I use blue, as correct for an early car. Quote Link to post Share on other sites
Bill944T Posted January 13, 2021 Report Share Posted January 13, 2021 I use blue, as correct for an early car. Correct in what way, as you've lost me on that?! Regards Bill Quote Link to post Share on other sites
iani Posted January 13, 2021 Report Share Posted January 13, 2021 1 hour ago, Bill944T said: I use blue, as correct for an early car. Correct in what way, as you've lost me on that?! Regards Bill '69 cars have blue filters in the gauges as standard Bill. If you look at this link it shows an original brochure where the blue dash lighting is mentioned. https://www.triumphexp.com/forum/tr6-tech-forum.2/dashboard-bulb-color.1442535/ Quote Link to post Share on other sites
stuart Posted January 13, 2021 Report Share Posted January 13, 2021 Early cars did have blue ish lighting though definitely not quite as "Blue" as that though. Stuart. Quote Link to post Share on other sites
iani Posted January 13, 2021 Report Share Posted January 13, 2021 46 minutes ago, stuart said: Early cars did have blue ish lighting though definitely not quite as "Blue" as that though. Stuart. It's not that bright in the dark Stuart, I like it so much I've just converted my MK1 GT6 to blue gauge lighting too Quote Link to post Share on other sites
aardvark Posted January 13, 2021 Report Share Posted January 13, 2021 Here’s another in green..... Quote Link to post Share on other sites
Steve1 Posted January 14, 2021 Report Share Posted January 14, 2021 Will the rheostat still work ok with this lighting? Quote Link to post Share on other sites
RobH Posted January 14, 2021 Report Share Posted January 14, 2021 10 minutes ago, Steve1 said: Will the rheostat still work ok with this lighting? In a word - no. The resistance of the standard rheostat is much too low for that so the led bulbs will be on max brightness all the time. You would need to replace it with a much higher resistance potentiometer if you want to vary the brightness. Quote Link to post Share on other sites
Steve1 Posted January 14, 2021 Report Share Posted January 14, 2021 Excellent -Thanks. Quote Link to post Share on other sites
murrayarnold Posted January 14, 2021 Author Report Share Posted January 14, 2021 Whats a rheostat? Quote Link to post Share on other sites
JohnC Posted January 14, 2021 Report Share Posted January 14, 2021 8 minutes ago, murrayarnold said: Whats a rheostat? Ummm. You have a 1968 Morris Minor. Not biting Quote Link to post Share on other sites
murrayarnold Posted January 14, 2021 Author Report Share Posted January 14, 2021 Sorry. This is lost in me. OK ill Google it then. Thanks for the help. My cars all work perfectly. I only get to know the parts that don't work. Quote Link to post Share on other sites
DRD Posted January 14, 2021 Report Share Posted January 14, 2021 1 minute ago, murrayarnold said: Sorry. This is lost in me. OK ill Google it then. Thanks for the help. My cars all work perfectly. I only get to know the parts that don't work. Its the knob that adjusts the brightness of the gauge lights. Quote Link to post Share on other sites
JohnC Posted January 14, 2021 Report Share Posted January 14, 2021 5 minutes ago, murrayarnold said: Sorry. This is lost in me. OK ill Google it then. Thanks for the help. The problem with text is that one doesn't always know who's joking. My bad. A rheostat adjusts the resistance of a circuit. In the case of a TR6 it's what's behind the dimmer knob. It's inserted into the dash lighting circuit and acts to lower the voltage delivered to the bulbs, dimming them. John Quote Link to post Share on other sites
murrayarnold Posted January 14, 2021 Author Report Share Posted January 14, 2021 OK. So its the dimmer switch. That was so much easier to say and understand is it not for anyone. And how does owning a 68 morris minor mean anything. There no dimmer swith in it. I really don't know why i started this post now Quote Link to post Share on other sites
RobH Posted January 14, 2021 Report Share Posted January 14, 2021 Sorry for not being more specific in my post above. 'Rheostat' is a rather old-fashioned term, usually describing a large wire-wound variable resistor connected in series with a load. Wire-wound resistors are used where the current is high, as it is with standard light bulbs in this application, because it will get rather hot and a less robust type of resistor would burn out. The point is that the standard dimmer rheostat can only drop enough voltage to affect the bulb brightness if the current is relatively high. (voltage dropped = resistance times current) LEDs draw very little current so the voltage dropped is negligible and the control has little effect. Quote Link to post Share on other sites
DRD Posted January 14, 2021 Report Share Posted January 14, 2021 2 hours ago, murrayarnold said: OK. So its the dimmer switch. That was so much easier to say and understand is it not for anyone. And how does owning a 68 morris minor mean anything. There no dimmer swith in it. I really don't know why i started this post now Don't worry that comment escaped me as well Quote Link to post Share on other sites
Dave McDonald Posted January 14, 2021 Report Share Posted January 14, 2021 On 1/13/2021 at 9:23 AM, iani said: I use blue, as correct for an early car. Ian, I note that you've bypassed the rheostat/dimmer and installed a clock. This is something that I've been considering on my car. Did you cut the larger hole yourself or did you use a specialist woodworker? I'm bothered about damaging the surrounding veneer. Dave McD Quote Link to post Share on other sites
Phil H 4 Posted January 14, 2021 Report Share Posted January 14, 2021 Hi Murray I also fitted Blue LED's from classiccarleds and replaced the rheostat ( dimmer) with a Smiths clock supplied by Speedy Cables. I used a 52mm holesaw with fine teeth to cut the hole. Mask the area and practise on a similar material alternatively a joinery company will do this in a fraction of the time, save you buying kit you won't use again and easier on the nerves. It's worth checking the condition of the gauge glass when you're at it. Good luck Phil Quote Link to post Share on other sites
iani Posted January 14, 2021 Report Share Posted January 14, 2021 3 hours ago, Dave McDonald said: Ian, I note that you've bypassed the rheostat/dimmer and installed a clock. This is something that I've been considering on my car. Did you cut the larger hole yourself or did you use a specialist woodworker? I'm bothered about damaging the surrounding veneer. Dave McD No Dave, I ordered the additional hole along with a replacement dashboard. Quote Link to post Share on other sites
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