My 1999 Crv lx dashboard clock is not working after replacing it with a new one from eBay..plz help me to understand which fuse box is for my Crv ..Tysm Sam

Dashboard not showing any details showing

The left arrow turn signal on my dashboard doesn't display when signaling left. The right arrow displays just fine. The exterior left and right turn signal lights all work fine. Wondering if it's a fuse, but not sure which to check first.

I disconnect the negative cable on the battery because it can drain overnight. When I screw it back on, everything seems fine. Few minutes of driving later, the dashboard turns off. The speedo and tachometer gets stuck in place. The LED display turns off. Car still runs fine. Windows still roll down, turn signals work, radio fine. This wouldn't be a problem but the A/C doesnt blow cold air. Fans still work but just nothing cold. Few more minutes of driving again and the dash comes back to life again. Is this a grounding issue? How do i fix this