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Mark Albery
10-03-2017, 11:06 AM
I have the TruTrack Altrack altitude hold in my RV-8, but the LED in the control switch has failed.

TruTrack no longer support this AP, so I'm looking for a replacement.
It has two terminals for the switch and another two for the LED illumination.

I can't seem to find anything like that on Digi-key.

Has anyone else needed to replace this and found a suitable substitute?
Maybe a spare lying on the shelf somewhere.

Plan B is to just wire another LED annunciator on the panel, but just looking for a straight replacement as first preference.

flightlogic
10-03-2017, 07:11 PM
I think an ebay search for a lighted push button switch would work. I got one two years ago. Green push button.... about a half inch across. It lights up bright enough for day use.... Sorry, can't remember the vendor name.

Mich48041
10-03-2017, 09:28 PM
Search Digi-Key for LP0115CCKW015DB

Mark Albery
10-03-2017, 10:25 PM
Joe,

Thanks for finding that. I've ordered one of those.

Digi-Key has such a vast catalogue that I failed to home in on the right part. I guessed it would be there somewhere!

wilddog
10-04-2017, 06:22 AM
TruTrak sent me the bulb when I burned mine out messing with it. Easy to replace and make sure you have the resistor wired in or it will instantly burn out.