Thanks Steve. As you suggested it is the orange/white wire causing the problem. It's not the adapter wiring. I disconnected the orange/white and the dashboard illumination no longer stays on. However, I have now, as expected, lost the automatic dimming of the radio with the car lights on. Not a big ...

I finally gave up the battle with the original Jaguar radio and reluctantly fitted a modern unit, which doesn't actually look too bad and the sound and facilities are amazing. It looks like the previous owner had already replaced it in the past for a secondhand unit from ASM. Thanks to the 2013 post...

Thanks everyone for the advice, Since I fitted two new 30 amp fuses at the end of September, everything is still working correctly. Temperature gauge is nailed on 'N' after warm up, fans run just very occasionally for a few seconds after switching off.

OK, now I'm very embarrassed ! Thought I should check the fuses, both 30amp fan fuses blown! Looked in spare fuse compartment, all present except the 30 amps! So guessing this has happened before. Bought 2 new ones and fitted outside Halfords, drove home expecting them to be blown. Both still intact...

Thanks naki I pulled the plug off the radiator sensor, its all nice and clean, no corrosion and fits tight. I was expecting to find two wires in the plug and wondered about shorting them with the ignition on to see if the fans would run. However there are three wires, one black and two whites, so i'...

1994 x300 3.2 Sovereign 87k I've now had the car six months and use it 3-4 times a week, love it. Always warms up quickly and temp sits consistently on normal. Yesterday after 30 mile run on motorway, had to sit in 30 mins of stopped traffic. Temp rose almost to red then fortunately traffic cleared ...