Any new info on parasitic battery drain?

Asked by May 05, 2015 at 09:59 AM about the 2014 Ford F-150 STX SuperCab 4WD

Question type: Maintenance & Repair

I have a 2014 STX 4x4 with 5.0 V8, 2300 miles.  Battery has drained twice with no
indication of anything left on, no aftermarket devices.  Am I stuck with carrying around a
jump box?  Dealer has checked battery and charging system.

2 Answers


1 out of 1 people think this is helpful.

Happened to me several times. Found out the resistor was the issue everytime. A small wire big as a paperclip. If the wrong one is on there or burned out, it will do the draw. I know sometimes the car starts sometimes it wont. You charge it and it stays with power for a day or two? Go to alarm or music shop and have them put a new one on. Its behind the radio. $75 should fix it. Youre welcome.

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