Remove the dash cover. There is 2 screws in the top of the glove box. Then on the drivers side to the center is about 4 or 5. Remove the dash cover and you have access to the back of the instrument panel. The light sockets turn 1/4 turn to come out.
You will have to remove the instrument cluster to gain access. You might want to purchase a Haynes Manual that will instruct you.
AnswerIs the system overfull?, Is your gauge working?I had the same problem and I had to replace the head gaskets.
You will have to replace the fuel module which consists of the pump, sending unit and sock filter. Which means you will have to remove the fuel tank.
Replace the fuel leveling sensor that is on the fuel sending unit that's inside of the fuel tank.
If the fuel gauge isn't working on a 1999 Chevrolet Blazer it could possibly be because the float is stuck in the fuel tank. I had this problem when I got my 99 blazer, the float and sensor for the fuel gauge is on the fuel pump which is in the fuel tank to keep it temperature regulated. I had to replace my fuel pump, which ended up going bad on me, and after it was replaced the gauge works just fine.
There could be a glitch on the computer in the vehicle. There could also be a ground in the wiring harness that goes to the gauge lights.
The dash lights on an Explorer are used to light the warning symbols and to illuminate the speedometer, gas gauge, and RPM gauge. These lights are controlled by fuses.
The gauge, wiring or sending unit is bad.
take off the upper 3-4 screws on dash/gauge panel (attaching to dashpad from below), remove panel, remove press clips holding gauge lenses to gauges (optional), then remove the four - five mounting bolts holding gauge assembly, replace bulbs which are accessed on the rear of the gauge assembly, replace in reverse. good luck.
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You need to replace the dimmer switch in your gauge cluster. This was caused by a bad ground happens all the time.
Take it to a garage. It needs to be checked out. --> it it is original, then I agree, go to the garage, if not, replace the BCM (Body control Module) to the fitting one (from the donour car, where you got the digital gauge from)