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Light for auxiliary gage

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Light for auxiliary gage

Postby Redcoat » April 14th, 2018, 3:18 pm

I'm a new member with a 2017 RF and wish to know the easiest (most accessible) place to pick up power for an auxillary gage light.
I want the light to operate when the rest of the instrument lights come on.
Redcoat
 
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Re: Light for auxiliary gage

Postby Meierznutz » April 14th, 2018, 5:53 pm

I am not versed in ND's but I know the CAN-BUS system in them is sensitive. I don't think it is as easy as splicing off your existing dash lights. Some of the new cars are very picky with changes to resistance in the body control module circuits. I would suggest that you contact the folks at Flyin' Miata as they have already installed an LSx engine in an ND. They would have the first hand answers you are looking for and are usually very helpful and easy to deal with.
"In terms of power to weight, I don't want a SUPERCAR, I want a STUPID-CAR!"

Meier's Drop & Run Saloon and Auto Repair is open. Feel free to stop in.
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Re: Light for auxiliary gage

Postby dlmphoto » April 14th, 2018, 8:15 pm

Redcoat,
I'm afraid I know close to nothing about the ND, but my thought was if the rest of the gauge cluster is regular filament bulbs, adding a LED might not be enough to throw codes.
Dave
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Re: Light for auxiliary gage

Postby 3rd Pedal » April 15th, 2018, 11:00 am

Redcoat wrote:I'm a new member with a 2017 RF and wish to know the easiest (most accessible) place to pick up power for an auxillary gage light.
I want the light to operate when the rest of the instrument lights come on.


There is a thread on miatanet on this subject, Dash Illumination Wiring?

https://forum.miata.net/vb/showthread.p ... ost8905808

In post #6 in above link, ssh16 'Sergey', talks about getting dimmed power from the Violet wire at the dash cluster switch (Left bottom of dash with TC/TPMS/LDW/BSM switches) as a power source. Most likely using a power tap.
I'd suggest checking with ssh16 or Bimmer on miatanet to check to find out if they were able to make it work w/o any issues.
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Re: Light for auxiliary gage

Postby Redcoat » April 15th, 2018, 11:47 am

Thanks for the advice, I'll call Flyin Miata, where I sourced the gage.
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