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Read last sentence of post #7 again. 😞

My bad, I should have asked more, assumed too much 🙄😁 - A/P Panel is an unknown but likely not fitted ? Resistors = not required & not wanted/needed by some. airguy covered the power/ground possibility. If A/P panel not fitted, power & grounds are ok, & for both servos to go offline I‘d be...

Richard - having both servos disconnect is unusual as I’m sure you would have independent power to each ? Do you have the ‘disconnect’ resistor/s installed ? ( FWIW) I never install those & haven’t had any requests to add them. Is your AP Panel affected by the Service Bulletin ? (had to ask). 😉

LNC2- 1. When you have the 1 set-point (first light on the left) ‘flashing’ then go to step 2. 2. Press the main ‘button’ once. 3. The above light should go solid. 4. All LEDS go out except green flashing every few seconds. 5. CP10A is now calibrated. - proceed to doing the standard DYNON fuel...

Do you really want to be able hear more chatter with the extra range of more powerful transmitters, I don’t. As it is now sometimes there is so much ‘talk’ that it’s hard to get to talk to atc/controllers with requests or amendments etc.

A recal is absolutely not needed 😉

and the static ports ? What I’m trying to establish is the chance that water/ condensation may have entered the ADAHRS in any way? Have you checked for that? IMO & experience, it’s highly unusual to have the same thing happen with 2 ADAHRS, without a common cause & unlikely to be the same fault...

Skippy - beare with me on this, High or Low wing? Where is the ADAHRS mounted? PM me if you wish.

Not polarity sensitive - I‘d recheck or redo the connection.

First easy thing I‘d do is connect tubing to the outflow side of the cube & have it go to a container. turn the electric pump ON & after 1,2,3, or however minutes you want. Then turn it off. Measure the amount of fuel that flowed out & do the maths also using the data from the computer. That...

Yes 😉

Problem with testing is that the 'warning' message will only come on when it actually is stuck on & the VPX sees more than 500 rpm - you could spend a bit of effort simulating that but not worth the effort IMO. FWIW the VPX has not had a software update for at least ~12 years - that' a record...

If you connect the wire, with supplied resistor in line, from the starter motor side of the solenoid direct to VPX J2 pin 11 it will work. That’s all you need to do.

Read post #5 - you are missing something. It will not show a line fully across the display when on glideslope ?

Nope - done many installs. Hope it works out ok for you 😉

I know I'm late to the party & I could be wrong - Isn't the power to the fuel flow cube a regulated 12V- not 5 volt? I've never measured it.

-99 = a disconnect, ie a bad join or probe. I should add - Check the pins in the connector as they will move in/ out like pistons when you flex the cable sideways close to the connector. Many years ago I removed the back shell & heatshrink from the loom, then individually bent each wire to the...

Didn't I say that in post #15 ? :oops: maybe it's something to do with the coriolis force. :rolleyes:

What seems strange to me that several people are talking about the volume only setting, why ? My volume is set at ~85% & I usually change the AOA percentage of actual 'stall' (AOA break) to something like 65 % - no issues with audio & I've done a lot of installs however YMMV with the audio. btw...

My apologies, IMO it wasn’t clear enough about your situation- it appeared to me that you moved on to another solution rather than do the simple task.😔