hi i like the form rite i got a mreg 2.5 bmw disael range rover now the air suspention gone down now i had it on computer and now got ther vale block working but the pump wont go? so i put a live wire too pump and it go and suspention comes up but put it back on normal wires and it a no go i could just run bypass wire all the time but it will nacker the pump up lol is there a sencer some where that soping it or a relay gone i dont know plese help ang get back too me thank you