Sometimes my Empeg's display goes dim shortly after powering it up in the car. Still readable in low light, but not in sunlight etc. From the FAQ I tried:

- Settings for headlights on/off: Both set to 100% bright
- Motherboard fuses: Continuity fine on the two mentioned in the FAQ
- Display cable: Not frayed
- Power capacitor on display board: Healthy 62V

The strange bit: If I change the state of my headlights, the display usually sorts itself out and reverts to full brightness, or at least as close as to not make any difference. Doesn't matter if my lights were on and I turned them off, or if they were off and I turned them on, the display fixes itself.

So I have a workaround, but it involves flashing my headlights in traffic - not ideal. So, anything else I can check/look at for a fix?