XJ40 ( XJ81 ) 1986 - 1994

Electricity leak.... how to find it , do i have a problem in my logic ?

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Old 10-11-2009, 04:59 PM
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Default Electricity leak.... how to find it , do i have a problem in my logic ?

The latest post i have done was about a fuel problem, and the help i had from this forum was incredible, and was essential in order me to fix the problem.

my car: Jaguar XJ6 1993, 4L, and here is the problem:
i have a battery/electricity leak. The car runs fine, but as soon as I turn it off, within a couple of hours my battery is drained. For that reason, now a days in order to use it, everytime I park my car, i have to disconnect the battery.

here is what i have done:
1-I have replaced the battery for a new one ( totally charged) so battery is not the problem.
2-I have connected a Buzzer -in line- to "hear" the battery leak in order to narrow down the problem (see picture attached). After that I have removed all fuses (ALL fuses) from the 3 fuse boxes i know my car has: passenger side, driver side, center (below the central arm rest), even though the Buzz sound is still there, meaning the leaking is still there.

.........no progress so far, any idea how to follow ?
what circuit in the car is NOT having a fuse in it ?
where could the energy drain could be ?
 
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Old 10-12-2009, 03:34 AM
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You have an ampermeter on your gauge cluster . So, what's reading when stationery and departure ?
I think you need a new alternator
 
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Old 10-12-2009, 01:36 PM
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you were ABSOLUTELY RIGHT !!!!!! , as soon as i disconnected the Alternator, the "Buzz" went off as long as the electricity leak....
so.. now i know i have to change the alternator.

for removing/changing the alternator should i access it from the top or from below to the car... ???
seems pretty complicated to take the alternator out of there, any advice ?
thanks in advance !!!!
 
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Old 10-12-2009, 04:48 PM
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That's nice at least we troubleshot the problem
I think our tech experts to help you out remove the alternator or you can contact JagTechOhio ,BRUTAL,ken@britishparts.com for quick response
 
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Old 10-12-2009, 05:20 PM
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is there a direct way to contact them or just wait for their reply on the forum ?
 
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Old 10-12-2009, 05:30 PM
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I'll check more into it, looks like you need to remove the air pump for access. The the it's just like removing any other alternator.
 
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Old 10-12-2009, 06:51 PM
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ok, i have changed the Alternator, everything works perfect now, there is NO energy leak !!!

Thank you Ken and Cadillac, you guys are GREAT !!!
and you know your stuff !!!
 

Last edited by martinvecchio; 11-02-2009 at 09:26 PM.
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