4 amigos

had the 3 amigos plus the handbrake light on, had it diagnosed and the fault was the shuttle valve. Replaced this, and lights went off. 3 days later all 4 lights returned, and will not go off. Any ideas would be welcomed/Pete.

Very often the shuttle valve fault isn't on the switches but on the connectors inside the ABS modulator unit.
Fortunately this isn't as frightening as it sounds, there is a very successful modification which can be added to the switch plate which will by-pass the faulty connector.
If you search for Shuttle valve mod or SVS mod, either on the forum here or on Google you should find out everything you need to know.

4 Amigo lights on my disco 2 turned out to be the front left side ABS sensor, replaced it for £12 ...job done
if you're anywhere near Newcastle Under Lyme I can read the code on my Hawkeye for you

Matgriff thanks for the offer, but I am in Glossop, quite some distance away, but again thanks. Having it plugged in again tomorrow. Pete

Matgriff thanks for the offer, but I am in Glossop, quite some distance away

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Bugger..... I was out and about in and around Buxton, Chinley & Chapel en Le Frith yesterday.... could have done it for you.. nevermind