Dimmer no working

[flysgi]

Skyview Touch: I bought the entire system through Vans with my RV-12 and it included a dimmer switch for the display. It has never worked. The wiring came already assembled, all I did is basically attach the rotating knob to the panel. I never thought that I would fly at night but I now find that I occasionally do....and the display is entirely too bright. The two wires exit a large bundle and are attached from the factory to the dimmer switch., which does nothing.

 

[Rhino]

To be clear, you have the SV-KNOB-DIMMER module, or just a standalone knob?

 

[Rhino]

And did you go into the menu and set the BRIGHTNESS SOURCE to EXTERNAL?

 

[cbretana]

.. The fact that you mention that "... the two wires ...", makes me suspect that this may be wired incorrectly. I mad ethe same mistake when I installed my own dimmer rheostat. It needs to have three wires attached to it. I f you only have two wires, one from a 12 volt power source and the other to pin 25 (violet wire) on Skyview Harness, then it si not wired properly. The Rheostat should have three pins, the one in the middle is normally the variable output. It goes to pin 25 on the harness. the other two pins should be one to aircraft power, and one to ground.

 

[Rhino]

He's talking about this thread:

SV-KNOB-DIMMER Questions

I cannot see my screen at night as it is too dim. I need to use an external dimmer as described in installation manual on pgs . But I have a Rutan Long EZ, with very limited panel space, so first question is how big is the SV-KNOB-DIMMER? Is it the same size as the other panels, like intercom...

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