[ROVERNET - UK] Electrical mystery on P6

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Ok.
So far:
1.  The alternator behaves correctly voltage wise.
2.  The fan belt was suspiciously loose.
3.  I have now fitted a shorter belt.
4.  The battery was happy (voltage stayed) when left disconnected, but after 
an evening of driving with the loose fan belt, went flat enough to just turn 
the engine.

PVS

----- Original Message ----- 
From: "Koffee" <koffee at iprimus.com.au>
To: <rovernet at lyris.ccdata.com>
Sent: Friday, May 06, 2005 9:28 PM
Subject: Re: [ROVERNET - UK] Electrical mystery on P6


> Does the lights dim more then they should when you are at idle.
> Ok a suggestion is to check and clean the contacts on the earth strap from 
> the engine to body.
>
> Thanks
>
> Damien
>
> ----- Original Message ----- 
> From: "Paul Smith" <Paul.Smith at auroraenergy.com.au>
> To: <rovernet at lyris.ccdata.com>
> Sent: Friday, May 06, 2005 10:12 AM
> Subject: [ROVERNET - UK] Electrical mystery on P6
>
>
>> Ok, I'll stir it up with my current curly problem:
>> During Christmas visit to praents I racked up 3000 miles on SC.
>> Most of the car ran perfectly.
>> However the generator cjopped out the rear bush, and the armature metal 
>> wore
>> away a bit.
>> Fixed the bush, but the increased air gap meant the gennie now
>> underperformed.
>> Time for an alternator, a la the one on the TC (which was a Holden one I
>> fitted in 1985).
>>
>> I put alternator on, all looked ok.  Voltage on the battery posts looks 
>> ok,
>> around 13.6 at 1500rpm or so.
>> The alternator output does go through the regulator box, but not the IGN
>> light.  IGN light behaves perfectly.
>>
>> BUT
>> the battery went flat; hmmm.
>> Tried the battery out of the 2500, same response.
>> Consistently, if I leave the car for 3 days, the battery is dead flat.
>> However if I take the battery out and leave it to sit, the voltage 
>> recovers
>> a lot.
>> I put an DMM in series with the battery earth lead to see if there was a
>> steady discharge.
>> 0 amps; clock cuts in every 2.5 minutes and blips the current.  Open the
>> door, get .4 amp discharge.  It looks perfect.
>>
>> So I bought a new battery.  Same response.
>> So I swapped in the alternator off the TC, in case the one I put on has a
>> dead diode or something.
>> Same response.
>>
>> Now what??
>>
>> PVS
>>
>>
>>
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