Checked everything .I am now thinking that the 2 small wires at the back of the alternator are the problem I think that the alternator in being told not to put out the voltage if that's makes sense to anybody
hi I need help 1999 110 td5 Defender I stopped for 20 min on Friday left my lights on which are all led battery flat got home charged battery replaced also measured voltage while running it read 11.7 v tried to start but just but nothing battery reading 12.8 v before .
so I put a new alternator in and still reading 11.8 v help please