Just picked up a 1991 Nissan King cab and the temp gage, fuel gage and right 3/4 of the dash panel lights are out. I was told they all went out at the same time. This would indicate to me a fuse or fusable link. I do not have a manual yet and was hoping someone could assist me in finding where the source was and help me to fix it.
Yes it is the instrumentation voltage regulator (IFV) I have had to replace twice, it causes the fuel and temp gauge to fall to 0. It is in back of instrumentation cluster on left side about a 1"x1"x1/4", and cost about $50 from dealer.
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Re: Temp gage, fuel gage and dash lights out
You need the voltage regulator for the fuel/temp gauge. The cluster has to be removed to change it and while your in there change out the illumination bulbs and that should take car of your lighting issue. I have enclosed a link for the regulator (I found this online, it is not my own). Just copy and paste it to your address bar.
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check the radiator censor making sure that the wires for this have not come off is there any fluid on the road when its been left for a few hours normally a car loses water any way may be half a pint a month or so this is normall check hoses for splits before forking out for a new water pump
If you can not duplicate the problem on demand, it will be very difficult to find and know that it is fixed. Do you know if you have lost spark to the plugs or fuel to the injectors when it is hard to start ? There is a long list of choices, including a faulty relay, fuel pump, ignition module, coil, and so on. You have to know if it is a fuel or ignition problem to proceed.
The goal of a carburetor is to mix just the right amount of gasoline with air so that the engine runs properly. If there is not enough fuel mixed with the air, the engine "runs lean" and either will not run or potentially damages the engine. If there is too much fuel mixed with the air, the engine "runs rich" and either will not run (it floods), runs very smoky, runs poorly (bogs down, stalls easily), or at the very least wastes fuel. The carb is in charge of getting the mixture just right.
probably the light switch itself . Those contacts get burned and the tension won't hold to make the contact.I fixed mine by bending the contacts on the switch but later had to replace it. $54 at Autozone no too bad.