Flashing gearbox oil temperature light

Datatek said:

At 2K rpm you should have a minimum of 14.2 volts even with the lights on, I think your alternator is toast. Check the battery drain with the alternator connected and then disconnected, if the drain drops with the alternator disconeected, the alternator is fecked.

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Kizzeh said:

so i jump started it up again today. Checked voltage and had 13.5ish on tickover and 12.9ish with all lights on tickover. Not brilliant but still over 12.
That's too low
Followed earth cable to inner with and chassis and cleaned contacts. Started it back up and removed earth cable to battery checked resistance from large + on back of alternater back to battery and found it 65 on the 200ohms setting. Bit high? i dont normally check resistance but thought i would check it to see if it made any sence to you lot?
The resistance should be less than 0.1 ohm
Took the battery off and swapped it with the one on my freelander just incase the light came on with low battery voltage or changed flashing at all. Flashing was still happening but slowly. About the same speed as indicators.
Turned engine off and removed battery - lead. Set multimeter to amps and put wires between - terminal on battery and body earth. With my bonnet light on i got either 0.18 or 1.8 amps...pens run off my arm but i think thats allright.

It was getting dark, Nearly run out of fuel and i was getting frustrated. I will put the battery on charge to make my life easier for another day. Diddnt find the gearbox sensor as my torch run out of batterys. Would anyone be about to tell me where abouts it could be in an idiot proof way?

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Kizzeh said:

This was at tickover not 2k rpm

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