Vehicle & Technical > Discovery
Battery power drained in 15 mins - V8
Budgie:
It does sound like the alt' is well gone. :(
The rev counter takes it's readings (pulses) from the black & white wire that goes into the back of the alternator. If this isn't sending anything to the rev counter than it may not be sending any charge to the battery either.
Did you have time to check if there was any feed to the battery from the alternator?
The battery may have drained so quickly because of a short in the alternator using the power. If the alternator wasn't charging the battery then the only power stored in it would be from the small charge it got from the Jeep.
As Muddyweb said earlier, I'd get a charger on the batttery ASAP if it's now been totally drained twice. This will damage the battery if it not recharged soon.
Budgie:
--- Quote from: "Budgie" ---The rev counter takes it's readings (pulses) from the black & white wire that goes into the back of the alternator.
--- End quote ---
DOH! I've just noticed that yours is a V8 so it may have different rev counter supply to my TDi. :?
I'm sure someone will know. :D
Range Rover Blues:
If the red light stays on when you turn off the engine then it's the rectifier pack in the alternator that's gone, this is what's draining the power too. It's worth having your unit rebuilt IF the bearings are ok, check when you take it off. The parts are about £20 plus fitting, our local specialist did it for £30 cash, I only paid because mine is the 80-amp unit which is different from the 60-amp unit, you can pick up a spare for £15 (did I say that already? :? ).
datalas:
Depends on your local sparky really, as I say, mine was jolly cheap and included replacement bearings, principly because bramcote had turned the contents of the poor thing into dust :(
beattiedh:
Hi Guys
Took the unit to the Burfield Starter and Alternator Centre. Nice little local company. They tested it and it was truly cooked. Got a recon with a full years warranty for £45 inc VAT. Emaculate condition.
Will be fitting it later in the week when I have some time.
Thanks for your help.
Dunc
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