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Doug Jardine
TryHard
NSW
'97 UZZ31 V8 4.0 GTL

Posts: 122
Reg: 04-2006

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Monday, February 12, 2007 - 04:48 pm, by:  Doug Jardine (Drj) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

My battery goes dead flat after a couple of hours on the hoist:
  • No problems with the battery even after parking it for 2 weeks last I was out of town.
  • This happens every time it is on a hoist.
  • Air suspension switched off as recommended.

Any ideas as to why?
Thanks for any help.
Andrew Ferres
DieHard
WA
'86 Cressida V8, '84 Soarer V8, '90 C-F Celsior V8

Posts: 567
Reg: 07-2005

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Monday, February 12, 2007 - 05:34 pm, by:  Andrew Ferres (Peewee) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Perhaps the battery is afraid of heights, and just sh!ts itself?


On a more serious note, this is one of the strangest things I've heard of in quite some time.
Good luck finding the cause.
David Vaughan
Goo Roo
ACT
V8 Ltd manual

Posts: 2937
Reg: 07-2005

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Monday, February 12, 2007 - 05:55 pm, by:  David Vaughan (Davidv) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Can you attach an ammeter or sensitive voltmeter to the battery, so you can see it when it is off the ground, then see what happens when the wheels clear the ground?

Is your rear switch defective? Do you get the message on the dash to say it is off when you switch on the car?

Have you stood next to the right front wheel well when it is hoisted, listening for the pump, or just disconnected it and tried that on the hoist?

Obviously, I suspect the air suspension pump is running when it is hoisted so, when you have confirmed there is in fact an increased current drain, eliminate that problem before we get to more mysterious sources.

If there is no increased current drain, the cause is definitely Maeve.
Peter Nitschke
JunkFilterer
South Australia
GT4.0 V8

Posts: 6989
Reg: 11-2004

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Tuesday, February 13, 2007 - 12:13 am, by:  Peter Nitschke (Pen) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

That is a good clue! Also, what about a bonnet-open detector shorting out or something like that?
Doug Jardine
TryHard
NSW
'97 UZZ31 V8 4.0 GTL

Posts: 123
Reg: 04-2006

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Tuesday, February 13, 2007 - 06:59 am, by:  Doug Jardine (Drj) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

Thanks for the very quick feedback - even Andrew on the height issue - just to advise:
  • Switch seems OK and dashboard message appears.
  • Will listen for the pump next up.
  • Boot lid closed - I think the bonnet was open - will note these next time.

Thanks for these leads.

David - what / who is Maeve?

Cheers for now.
David Vaughan
Goo Roo
ACT
V8 Ltd manual

Posts: 2941
Reg: 07-2005

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Tuesday, February 13, 2007 - 09:04 am, by:  David Vaughan (Davidv) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)

The god of Last Thursdayism. It may have escaped your attention that the world was created by a house-cat last Thursday. All your apparent memories, the universe and so on were planted in your mind, this being no big deal for an omnipotent god.

She likes to keep a paw in what happens in the world, and thus will provide a complete explanation should you not find any other cause for your mysterious problem.
Doug Jardine
TryHard
NSW
'97 UZZ31 V8 4.0 GTL

Posts: 124
Reg: 04-2006

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Tuesday, February 13, 2007 - 03:00 pm, by:  Doug Jardine (Drj) Quote hilighted text Edit Post Delete Post Print Post   View Post/Check IP (Moderator/Admin Only) Move Post (Moderator/Admin Only)


David Vaughan wrote on Tuesday, February 13, 2007 - 09:04 am:

The god of Last Thursdayism......



Bugger! - Peter better get a 'Philosophy' thread going for the likes of you and Neil.

By the way, that problem Ashley had with the brake piston - if you need a spare piston to tide him over until a new one arrives, I have one Neil gave me a while back with minimal pitting and a quite good one from Jeff Harper - may help to keep the car on the road - I just replaced mine yesterday.

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