Mazda Miata (MX-5) This compact RWD model, offered with many engines options for those are who want to cruise with the top down in a base model, or hit the track in one of the high performance models, has been a popular model since its introduction.

MX5 2002 Battery going flat.

  #1  
Old 02-27-2018, 07:24 AM
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Join Date: Oct 2012
Location: Colchester UK
Posts: 3
Default MX5 2002 Battery going flat.

Hi all,
My MX5 battery is going flat if not used after about 3-4 days. It is a new battery which tests OK, replaced because the old one did the same. The battery tests OK. I have fitted a battery disconnect switch. When disconnected the battery holds its charge, so a vehicle problem I guess. I haven't measured the quiescent current from the battery yet, but I would doubt that the radio, alarm etc should flatten the battery in this time scale. is anyone aware of issues that might lead to this on the MX5?
Thank you ... John
 
  #2  
Old 02-28-2018, 03:25 AM
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Join Date: May 2012
Location: Queensland Australia
Posts: 3,612
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Current draw test is the only way to go.
 
  #3  
Old 03-01-2018, 04:15 AM
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Join Date: Oct 2012
Location: Colchester UK
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OK Thanks. I will do that and then pull a few fuses to try to locate the leak. Thank you
John
 
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