Instrument panel pinout
That matches 99% of what I'm looking at. The diagram I was given had pin 30='reflected LED display dimming control' and was suppose to be for 2017 so who knows (I'm skeptical of the 'source'). I purchased a used cluster online and LCD was just barley visible but the illumination on the analog gauges was on bright enough to see. My first thought was to check for dimmer voltage at harness but its now obvious dimming is controlled via CAN BUS and not by any type of reference/voltage source.
I just realized I tried the cluster during daytime and I bet I forgot to manually turn on headlights before trying to adjust dimmer... Can the dimmer be set so low you cant see the LCD at all during the daytime? I will give it another go before going back to seller.
Thanks!





