i have a 1997 range rover dse 2.5 bmw diesel, my a/c dosent work i took it to the garage they filled it with gas and it worked ok. after a couple of days it stopped working went back to garage they said the gas is ok its the aux fans are not working they did the first time but for some reason stopped. i took of the cable off and joined together and they work so the fans are ok, can anyone help in finding the cause of this problem any help will be appreciated thanks