Parasitic current draw that drains my battery within 8 hours
What is your question?
My car has an intermittent parasitic current draw that drains my battery within 8 hours. I have replaced the alternator and a put in a new battery. I placed an oscilloscope with a current clamp on the negative of the battery. The scope shows intermittent triangular waveforms with a peak current draw of 1- 2 amps. I have measured the voltage drops across all the fuses and there is no indication of a voltage drop.
What could be the cause of this intermittent triangular current draw?
Thanks for your assistance.
Jeff
VIDEO (CLICK TO ENLARGE)
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What makes this problem better or worse?
after approx 5-8 hours the battery need to be jumped to start the car
How long has your 2008 Ford Taurus had this problem?
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IF you’ll use the procedure shown in the video you will find the parasitic load..
Keep in mind the load must be present when testing - of course.
Begin testing by concentrating on the circuits that remain live when key is off > this includes ALL interior lighting + cargo areas - power door locks > power ports (cig lighter) > keep alive memories for control modules & audio system, etc..
Good luck!
IF you’ll use the procedure shown in the video you will find the parasitic load.. Keep in mind the load must be present when testing - of course. Begin testing by concentrating on the circuits that remain live when key is off > this includes ALL interior lighting + cargo areas - power door locks > power ports (cig lighter) > keep alive memories for control modules & audio system, etc.. Good luck!