Re: [Quantum Owners] Abridged summary of quantumowners@googlegroups.com - 4 updates in 1 topic

[Nigel Plant]

Very interesting Jim. Thanks for sharing.

Nigel

On Thu, 8 Jul 2021, 22:09 , <quantu...@googlegroups.com> wrote:

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• "CANBUS" LED bulbs in older cars. - 4 Updates

"CANBUS" LED bulbs in older cars.

"Jim Hearne" <j...@quantums.info>: Jul 08 10:30AM +0100 Has anybody seen any articles on why you shouldn’t use “CANBUS” compatible LED bulbs in older cars. Or, at least not without modifying them first.   If not i may write one.   Jim ...more

Ian Harrison <bigha...@gmail.com>: Jul 08 10:58AM +0100 From what I’ve seen, the only thing that makes them CANBUS compatible is a built in resistor fooling the computer into thinking it has a working filament bulb.   Ian   ...more

Ian Harrison <bigha...@gmail.com>: Jul 08 11:00AM +0100 aaaand I missed the point of your post completely.   No I’ve not seen an article about this either way.   Ian   ...more

"Jim Hearne" <j...@quantums.info>: Jul 08 11:31AM +0100 Indeed, the problem is that that resistor is dissipating a lot of heat.   In a real bulb that heat is mostly dissipated though the glass and into the air around the bulb with very little conducted ...more

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