Hi there, new here. I have a 04 IS300 that I bought used last year. After replacing my stereo that wasn't working a few months ago, my dash lights stopped working and I haven't been able to figure out the issue. When the engine is turned on, only the brake and seat belt lights turn on. But when the key is first engaged before the engine starts, the maintenance required, oil, traction control, battery, etc (all lights in the bottom left corner of the dash) turn on as well as some of the lights in the top right corner including ABS and the check engine light. However, the 3 main areas like the RPM, speedometer, and fuel/mileage gauge lights don't work.

I checked the 7.5A INTERIOR fuse which was burnt, and after removing it completely the same lights appeared. I installed a new 7.5A fuse, and nothing changed, which leaves me unsure what the underlying problem may be. I don't have much experience with car electrical so I didn't want to start messing around without knowing what to be looking for. Any insight would be appreciated!