Harrop 2300 supercharger to Optimiser 6500

[PeeBee]

My Redarc low water sensor would also randomly go off. I check the coolant, all good. I bleed the system out again, no bubbles, no leak nothing. In the end i replaced the fitting/ clip on the end of the wire going to the sensor with a modified female spade terminal, even though it looked clean. The sensor remains quiet now. Dunno how or why, but its fixed.....

I know the fitting, I bought a new sender unit when I did the rebuild. Its sitting tight on the peg. The water level was down as when I removed the fitting , lost maybe 0.5 L of fluid and I have the low level 30mm from top of the core - its a cross flow style. Anyway, it goes off off road especially after and during hillclimbs, given up trying to bleed this pig.