Vehicle & Technical > Defender
urgent help
suggs:
decided to jump it and im getting a steady 12.8v with the engine running, took it for a 30 min drive to give the battery a charge. never got hot but got back and the battery was still flat and showing 11.9v..
Mutz:
Think you will find that 12.8v isnt good enough, my Paj used to charge at that but was always dying after a while.
AA checked it out when it didnt start and said altrnator stuffed.
Dont own it now so dont know what outcome was, but my money is on the alternator.
suggs:
not sure to be honest, but my Disco 2 V8 is the same 12.8v.
garage are giving me another battery and will test the old one, its now showing 12v engine off but only just managing to start
Saffy:
if other vehicle is same then possible your meter might be reading out of calibration so it's just an indicator rather than true representation of voltage.
suggs:
yeah could be
today after battery being on charge all night and going for a drive with lights and heater etc on im getting 12.5 engine off and 12.9 to 13v running, started fine too and not getting hot when driving.
seems to be normal at the moment, think this is a itermitant fault.
only other thing i can think of is i noticed my winch isolating cut-off was left on after my last off road trip, wonder if theres a fault in the winch electrics. the winch is working ok
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