Reply With QuoteWhat battery isolator are you running?
Master
Yes thanks, I do recall the thread on current draw but I have a much higher draw. Will have a look at the alternator next and see what I find.Originally Posted by mattyg
What battery isolator are you running?
Master
Traxide SC80.What battery isolator are you running?
Oddly enough, I was going to do the alternator check today and before getting down there I checked the current draw again. Bugger me if it wasn't 0.09 Amps which strikes me as normal!
Anyway, have reconnected the rear battery (it's been disconnected for a few days whilst I was running some tests) and we'll see what happens.
RoverLord
Havent measured it,mine isnt the alternator as I have replaced that.
Andrew
DISCOVERY IS TO BE DISOWNED
Midlife Crisis.Im going to get stuck into mine early and ENJOY it.
Snow White MY14 TDV6 D4
Alotta Fagina MY14 CAT 12M Motor Grader
2003 Stacer 525 Sea Master Sport
I made the 1 millionth AULRO post
Master
My alternator has also been replaced not too long ago.
So, you have no idea how much current drain you have, you only know that you have a current drain because you battery goes flat after a few days of not driving the vehicle?
RoverLord
Yes.
It would go flat after 3 days,also has a SC80 controlling the fridge battery.
I have a CAT 1000CCA main battery and an Optima Blue Top in the rear for the Engel.
Since I have been using my 25AMP Ctek I can get a bit over a week without a flat battery,it proves they do improve battery stamina/life.
I have wondered in the past if the SC80 interferes with the ECUs not shutting down,but havent gone to the effort of temporarilly disabeling the system.
It was easier to buy the Ctek
Andrew
DISCOVERY IS TO BE DISOWNED
Midlife Crisis.Im going to get stuck into mine early and ENJOY it.
Snow White MY14 TDV6 D4
Alotta Fagina MY14 CAT 12M Motor Grader
2003 Stacer 525 Sea Master Sport
I made the 1 millionth AULRO post
Master
I Have just borrowed a 21 amp charger from a friend and have deduced that my 6 amp charger does not get a high enough charging voltage to fully charge either my main CAT battery or my AGM 75 ah secondary. The rejuvanting charge pumps up to 16 volts into the batteries.Yes.
It would go flat after 3 days,also has a SC80 controlling the fridge battery.
I have a CAT 1000CCA main battery and an Optima Blue Top in the rear for the Engel.
Since I have been using my 25AMP Ctek I can get a bit over a week without a flat battery,it proves they do improve battery stamina/life.
I have wondered in the past if the SC80 interferes with the ECUs not shutting down,but havent gone to the effort of temporarilly disabeling the system.
It was easier to buy the Ctek
Andrew
When I disconnect the SC80 my rear battery seems to hold it's voltage OK and the drain that I originally measured was from the maon battery.
Checked the voltage tonight (both batteries linked via SC80) and had 12.5 volts after 24 hours - I'll keep checking it and also see if I can reproduce the 2.8 amp drain again.
Cheers,
Franz
ForumSage
SubscriberHad this happen to me a while back in a Ford Laser. It was charging ok, but the battery would be dead overnight. The alternator was the culprit as it was sucking about 4 amps when the engine was off!Whilst the deeper mysteries of auto electrics eludes meI have found alternators with faulty diodes to be a power draining thief! The 'orrible little beast did what it was designed to do perfectly while the motor was running but parked in the shed it slowly drained the battery if left parked for a week . I only found it when a bearing died in it and found it in the overhaul.
Dave.
I was asked " Is it ignorance or apathy?" I replied "I don't know and I don't care."
1983 RR gone (wish I kept it)
1996 TDI ES.
2003 TD5 HSE
1987 Isuzu County
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