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C4 electrical problem

  #1  
Old 04-27-2018, 04:11 PM
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Join Date: Apr 2018
Posts: 2
Question C4 electrical problem

My wifes C4 drains its battery when parked. Suggestions as to how to solve this problem would be appreciated.
 
  #2  
Old 07-27-2018, 12:40 PM
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Join Date: Jul 2018
Posts: 2
Default

Are you handy with a multimeter?
Take the negative battery cable off.
Hook the meter set for AMPS between the two.
Wait for interior lights have gone off.
A few milliamps of drain is normal in any vehicle.
If it is more than that, start pulling fuses one by one and checking to narrow it down.
 
  #3  
Old 08-04-2018, 03:36 PM
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Join Date: Apr 2018
Posts: 2
Default Thank you for responding

Tried this prior to asking forum. read 10-12 MA Must be intermittent, i e turns on/off?? new battery installed when vehicle purchased. prior to purchase, car had been parked for 12 years.
A real life barn find. only 32k miles.
 

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