hi thanks wolfie the led light flashes like mad just a bit more about car was running fine but kept losing power was left on drive over the winter last three months while i worked away have had to replace battery yesterday as it was dead also replaced mas a while backwell my son did but he dammaged small hose at back and since then light over water kept flashing replaced hose and light now comes on and goes back off again but as i have not started engine and kept it running dont know if it will stay off? pump relay switch is that found on fuse box? thanks for your help much needed