1986 Ford F150 power drain

1986 FORD F-150
156,000 MILES • V8 • 2WD • AUTOMATIC
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JESYL3
  • MEMBER
  • 1 POST
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?
Jul 18, 2010 at 3:53 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 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.
Jul 18, 2010 at 3:36 PM
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