So I finally bought the golf and it has only one issue that is the temp & fuel gauges not working. I also don't have any warning lights when power is switched on except the battery warning light.
I measured the temp sensors and there is no 10 volts present from any pin to battery negative.
I'm new to mk2 golf so I basically still have a mangina.
try rocker cover earths.. and cables to ignition coil
I think I figured this out fairly easy, measured from the voltage regulator right pin I have battery voltage but from the left hand side I have barely any voltage.