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quiescent current - battery empties fast

4 messages,  Last post on Mar 16, 2009 at 5:49 AM

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#1 of 4 quiescent current - battery empties fast by hcederlof Mar 05, 2009 (1:50 pm)
I have a grand voyager that discharge the battery when the car is not used. It discharge quickly and when I measure the current from the battery when everything is off or appears to be off it still consumes 1.5-2 amps constantly. I have removed all fuses and relays in the fusebox in the engine compartment and it still consumes this amount of current. 1. is this a normal level? 2. if not, where do I start looking?    greatful for any advice. Replies to this message: srs_49 (Mar 05, 2009 2:32 pm) hcederlof (Mar 16, 2009 4:03 am) srs_49 (Mar 16, 2009 5:49 am)
#2 of 4 Re: quiescent current - battery empties fast [hcederlof] by srs_49 Mar 05, 2009 (2:32 pm)
Replying to: hcederlof (Mar 05, 2009 1:50 pm) Disconnect the alternator and see if the drain stops. I had a Datsun that did the same thing and it turned out one of the diodes in the alternator was shorted. Replies to this message: hcederlof (Mar 16, 2009 4:03 am) srs_49 (Mar 16, 2009 5:49 am)
#3 of 4 Re: quiescent current - battery empties fast [srs_49] by hcederlof Mar 16, 2009 (4:03 am)
Replying to: srs_49 (Mar 05, 2009 2:32 pm) Thanks, unfortunately that wasn´t it.   will continue looking... Replies to this message: srs_49 (Mar 16, 2009 5:49 am)
#4 of 4 Re: quiescent current - battery empties fast [hcederlof] by srs_49 Mar 16, 2009 (5:49 am)
Replying to: hcederlof (Mar 16, 2009 4:03 am) Disconnect the lead to the fuse box from the battery. Obviously, that should stop any current draw, unless there's a resistive short in the starter.   I believe there are some circuits that are not fused with a discrete fuse in the fuse box. Some of these have a fusible link in the wiring someplace. So, just because you pulled all the fuses, there is still some stuff connected to the battery.

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