I mean the sender for the temp gauge, which i think is on the right hand side of the block, as it's the only screw in sender i can see, so it must be that, looks like i need a new one, if they are available LoL when it is at full temp the gauge only goes to the fat line at the begining of the gauge!
The other one was the red light on the temp gauge, it was flashing for no reason, intermittantlly, but i think i found it - right on the front above the oil filter, the wireing was dodgy so put a new connection in and it has stopped!