NicoN Posted June 11, 2018 Report Posted June 11, 2018 I am new to Mooneys and recently joined a group owning a 1980 M20K. We have some smaller issues with instruments/panel lighting One is Instrument lighting: The right dimmer does nothing! My collegues told me, that they had some efforts fixing the problem. Under the instrument panel, I find back in the foot-space (sorry, I am german) another fuses-panel with 4 fuses. One is missing and also the screw-cap. I have no idea what these fuses are for, what type they are and where I can get replaement. The fuse-holder seems to be a Eaton-product. I have found it on digikey.com The missing one is labeled "INSTR", which sounds for me that it has something to do with Instrument-Lighting. What exactly does INstrument-Lighting? The left dimmer "Panel-Lighting" drives the lamps under the glare-shield and most of them are working. Quote
Stephen Posted June 11, 2018 Report Posted June 11, 2018 Assuming they are stock... (if not time to chase wires through bundles or use an multi-meter) with the maintenance manual wiring diagram for an '80 K model out there? Quote
N201MKTurbo Posted June 11, 2018 Report Posted June 11, 2018 The instrument lighting buss is the lighting power used by radios and instruments for internal lighting. They are usually yellow wires in Mooneys . The fuse is an FM01 5A fuse. Quote
Guest tommy123 Posted June 12, 2018 Report Posted June 12, 2018 Easiest way to find out is to follow the wire. Are the wires numbered? If so a schematic will tell Quote
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