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14th August 2023, 03:34 PM
#851
Patrol God
Do not run the engine with the alternator disconnected. I destroyed one once, doing just that. With the multimeter connected in series with the negative to earth (do it on the 10 amp setting), there should be a quick spike in parasitic draw, for the clock and sound system, etc, then should drop to bugger all. If it is above the small milliamp range, then try pulling fuses and relays, before disconnecting the alternator.
My advice is: not to follow my advice.
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mudski (14th August 2023)
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14th August 2023 03:34 PM
# ADS
Circuit advertisement
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14th August 2023, 04:43 PM
#852
The master farter
Originally Posted by
mudnut
Do not run the engine with the alternator disconnected. I destroyed one once, doing just that. With the multimeter connected in series with the negative to earth (do it on the 10 amp setting), there should be a quick spike in parasitic draw, for the clock and sound system, etc, then should drop to bugger all. If it is above the small milliamp range, then try pulling fuses and relays, before disconnecting the alternator.
Hmm, that just went over my head like a low flying duck. I'll YouTube it!
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14th August 2023, 04:57 PM
#853
Legendary
Yeah I had a bad alternator that had parasitic draw was a PITA. . . When you say don't run motor with alternator discontented Muddy do you mean unplugged but still with belts attached or other way round, and why does this bugger them?? . . .
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14th August 2023, 05:28 PM
#854
Patrol God
Originally Posted by
Rossco
Yeah I had a bad alternator that had parasitic draw was a PITA. . . When you say don't run motor with alternator discontented Muddy do you mean unplugged but still with belts attached or other way round, and why does this bugger them?? . . .
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Unplugged but belt on. A very long time ago (decades) I think had the main output disconnected and started the engine. It blew the regulator by the time I got out of the cab and realised my mistake (maybe 30 seconds).
My advice is: not to follow my advice.
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Rossco (14th August 2023)
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14th August 2023, 08:48 PM
#855
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14th August 2023, 08:58 PM
#856
The master farter
Removed every fuse. The only fuse that mad the dmm move was the air bag fuse. From .10 to .09.
Opening the door read more.
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14th August 2023, 09:12 PM
#857
Patrol Freak
Not a collapsed cell in battery?
Maybe put it on chg over night and then have battery joint do a load test.
2008 GU WAG ST Manual CRD - To do the job
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mudnut (14th August 2023), mudski (15th August 2023)
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14th August 2023, 10:13 PM
#858
Patrol God
Originally Posted by
mudski
@mudnut ;
I think I’ve got it set up right.
And after a few minutes it dropped
I noticed even opening the door on the car, even without the interior light on the reading goes up from .08 to .10
From what I’ve read that is normal.
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The reading is a little on the high side, but a fully charged battery should handle it overnight.
My advice is: not to follow my advice.
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15th August 2023, 06:44 AM
#859
Originally Posted by
Bidja
Not a collapsed cell in battery?
Maybe put it on chg over night and then have battery joint do a load test.
I would expect a collapsed cell would be in the order of 2.2V drop not 11V.
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15th August 2023, 07:56 AM
#860
The master farter
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