Dashboard light on car with rear lights on. - 1993 Toyota Previa

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Brightness thumbwheel for the dashboard lights.

Fuses or bulbs for rear lights.

If your Nissan Cabster 1.5 tonne truck is experiencing no dashboard lights and rear lights, there are a few potential causes for this issue:

1. Blown fuses: The dashboard and rear lights are connected to separate fuses. A blown fuse could cause one or both of these lights to stop working. Check the fuse box and replace any blown fuses.
2. Wiring issue: A wiring problem such as a broken wire or loose connection may prevent power from reaching the lights.
3. Switch problem: The problem could be the switch controlling the lights. The switch may be worn out or malfunctioning, preventing the lights from turning on.
4. Bulb problem: The dashboard and rear lights are controlled by separate bulbs. One or both of the bulbs may be burned out or damaged.
5. Electrical module problem: Some vehicles have an electrical module that controls the lights; if the module is faulty, it can cause the lights not to work.

It's best to have a professional technician diagnose the issue. They will be able to identify the specific cause of the problem and make the necessary repairs. It's also important to check the owner's manual for troubleshooting options or error codes that might be displayed on the dashboard.
It's also important to note that the lack of dashboard and rear lights can affect the safety of the vehicle and the driver; thus, it is vital to have it fixed as soon as possible.

check fuse--relay--switch-bulbs==use a meter to test switch connectors--wiring--sockets

Short in the multifunction switch can cause this .

check the fuse box for blown fuses as a first step

Sounds like possibly the ignition switch is going out. Try jiggling the key in the ignition in the on position and see if your lights come back on.

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.

just go to the fuse box in the engine compartment and look for the (red 1Oamp) tail light fuse... it might be broken just replace and that should solve your problem.
Sonia K

under your dash is a fuse box and with there is a lable on the cover that directs you to the right fuse that governs the dash and tail lights 

sounds like dampness is getting in somewhere around the dash board and is causing a short.when it heats up it dries out