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An instrument cluster is the collection of gauges, dials and lights right above the steering wheel that tell you what's going on in your vehicle.
Generally, your car's instrument cluster will last the lifetime of the car and you'll never have a problem with any of them. However, when one of them fail, you'll have a problem that ranges from mildly annoying (the engine lights up and doesn't turn off) to inconvenient (the gas gauge doesn't register) to dangerous (the oil indicator doesn't work). Some of the more common failures include:
Erratic or non-functional gauges & inaccurate readings.
LCD not Stuck or fluttering needles on gauges
Burned out indicator lights
Burned out/dark spot backlighting
Loss of LCD display or erratic operation (number 8 showing as 0
If you are talking about the instrument panel and radio lights, one possibility is a broken panel light dimmer rheostat (This is not the same as the headlight dimmer switch). Try turning it to full brightness. If at some point the lights suddenly come on, that's definitely your problem. If the lights don't come on, it could still be broken.
I have seen an older vehicle driven by a person who didn't notice the instrument panel lamps were burning out until the last one went - maybe all you have to do is replace all of the bulbs. :)
Also, check the instrument panel fuse. If it's blown, you'll have to track down the wiring problem that caused the fuse to blow. Merely replacing the fuse is just asking for the problem to happen again at the worst possible moment - such as on a dark road on a dark night where there is a known speed trap, when you're low on fuel, and suddenly you're unable to see either the speedometer or the fuel gauge.
All instrument panel lights or just speedometer light? There are several bulbs behind instrument panel. More than likely, the bulb at speedometer is burned out, and can be replaced by removing instrument panel and replacing bulb(s). Hope this helps.
If they all went dark at one time, it is not likely a bulb issue per se. I would check to see if there is a fuse that governs the instrument panel lights and, if so, check to see if it is in good shape. The problem that you are experiencing may very well just be as simple as a fuse...
of course, it may not be; but starting with checking something simple is usually the best place to start.
All the best to you with this...
Most likely yes. most dash components just snap togethernow. be gentle. call the dealer for the bulbs. unlikely they are all burned out. If none work look for a bad fuse and check the head light switch.
Lights? more than one? It is extremely improbable that many lights burned at the same time. Jiggle the dashboard dimmer wheel (used for light attenuation adjustment) to see if the lights come back to life. Dimmers, being rheostats, have the nasty habit of burning spots, so they work only at a different location than the burnt spot. Many burnt dashboard lights might be an indication that they got too much voltage. ( Bad voltage regulator). Dashboard lights are placed in the rear of the assembly, and screw right into it. Dashboard must be taken out, and it isnt simple. Purchase a full set of dashboard lights at the car dealer before taking down the dashboard, because you dont want to find out that you dont have the proper bulbs, and the whole dashboard already disassembled.
It seems that the bulbs went out or the ribbon cable that runs behind the instrument panel burned out check on a junkyard for a replacement instrument panel and replace it, verify that the truck you pull out the instrument cluster is the same year and the same model.