Vehicle & Technical > Discovery

Battery problems

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suggs:
check your alternator too

mike142sl:

--- Quote from: "freelanderpx54" ---The green cog lights which have S and M in them :lol:
--- End quote ---
In High Range S stands for Sports Mode - it delays the gear change and is reported to be good for towing as well.
In Low Range M stands for Manual and the auto lever acts as a manual gear change.

Jimbo:
The Td5 engine, along with all its electrickery does like a good battery - although I've had duff batteries on both my D2 auto and 110, the M&S lights have not come on at the same time on the Disco.

Can you borrow another battery to try ?, before forking out for a new one (get the biggest CCA rated one that will fit in the space)

As for the M&S (Manual mode, and Sport mode) lights, I've had them come on a couple of times - on each occasion the 'box has gone into limp-home mode (it sticks in 3rd and won't kick-down), but after a reboot (ignition off, and back on  :wink: ) the problem cleared.........this was whilst the truck was still under warranty, testbook showed that a 'fault' had occured, but whatever was faulty wasn't anymore.

freelanderpx54:
New battery on and it seems to be working ok (famous last words?)

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