license plate check panel light on, but lights are good

[usualdeviant]

Yeah, it was! Until the check light came on again! So, turns out it doesn't matter which bulb I use in my socket, I think it was just the fact that I took my sockets out to look at them. I might have twisted the bulb in the rusty socket a bit, which probably cleared just enough resistance to make it work but it was quite short lived, unfortunately.

So far, I haven't seen a new bulb socket online for the dual filament bulb in the rear - only for the third brake light. For the rear, it looks like you'd have to get either a used one, or a new entire tail light fixture. Unless somebody knows a place?

[usualdeviant]

I also wasn't using all dealer bulbs. Could be that or could be both. Rusty sockets and incorrect metal bases on my bulbs. One day I'll find out.

[StereoInstaller1]

Did you ever clean the contacts in the check panel diode pack? That almost always fixes it.