The lights on the odometer on a 1999 Chevy Blazer might not work because of a burned out fuse. They might also not work if the lights are burned out.
A blown fuse can make your dashboard lights to not work in your 1993 Chevy Blazer Tahoe. A burned out bulb can also cause this.
The light switch.
might be a fuse
have you checked your fuses?
Blown fuse, both lights are burnt out, There is a wiring or ground issue.
In those tail lights there is a circuit board. If it goes bad it will cause all kinds of problems.
Probably a blown fuse. What you need to find out is why the fuse blew.
There are several things that can cause your 1998 Chevy to randomly die out. The most common cause is a malfunctioning fuel pump.
burned out bulb, blown fuse, wiring
These lights have 2 different "lights" in each of them. This occurs frequently. Change out the bulb and everything will be working fine once again.