Vehicle & Technical > Range Rover

Battery constanly going flat?

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mike142sl:
Don't forget the immobiliser can automatically cut in after a few minutes anyway - if you can disconnect it somehow it will eliminate it completely

Reggieroo:

--- Quote from: mike142sl on March 04, 2008, 16:11:39 ---Don't forget the immobiliser can automatically cut in after a few minutes anyway - if you can disconnect it somehow it will eliminate it completely

--- End quote ---

I didn't know that, I don't even know where the immobiliser is to disconnect it.

mike142sl:
It's usually part of the alarm. On my old '91 RRC it was an aftermarket jobby that had a similar issue. Not sure how the factory fitted ones operate.

BAZZ:
Reggieroo, have you checked the alternator, on the diesel RRC, Disco and Defenders of that age they suffered with this problem of flattening the battery. Check with a good multu/ volt meter, the voltage should be around 12.7Volts. If you leave the battery disconnected, it may be the alternator at fault. Bazz. :lol:

Bowie:
I found that something was keeping the electric seats supplied with power, even though the drivers door was shut, and no ignition. I just removed a relay under the passenger seat on the RH side, from teh rear which sorted it out, now I have to open the drivers door to adjust it, but no flat batteries anymore :)

One way to track it down, is to put an ammeter between battery terminal and the lead and pull fuses till it stops, would narrow it down at least.

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