Tail and stop lights not working ut number plate light
Is
S

What's a Vz?

. Check all under dash and under hood fuses with a test light or multi-meter.
. Replace bulbs, if necessary.
. Test for power, along the circuit, using a multi-meter. Don't overlook internal bundled wire breaks where trunk lid opens and closes. You may need to cut back the sheathing and probe wires.
. Check the brake light switch's continuity and adjustment.

https://www.askmehelpdesk.com/cars-trucks/when-asking-about-your-vehicle-303903.html

It's a British Holden VZ.