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1986 Ford F-150 power drain

Tiny
JESYL3
  • MEMBER
  • 1986 FORD F-150
  • V8
  • 2WD
  • AUTOMATIC
  • 156,000 MILES
My 1986 Ford lariat cuts off after about 5 miles of drving and wont turn over then starts and cuts out
again in about 1/4 to 2mi. Was checked at Advance Auto and battery, starter and charging system test were fine but drain test was 13.87A(massive drain somewhere) what could possibly be causing that type of power drain?
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Sunday, July 18th, 2010 AT 10:53 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
It could be anything. Do this, follow the following directions and then pull one fuse at a time until it stops. That way you will know what circuit it causing the draw.

https://www.2carpros.com/first_things/why_is_my_car_battery_dead_over_night.htm

Let me know what you find.
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Sunday, July 18th, 2010 AT 10:36 PM

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