Random Engine/Power Kill
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Random Engine/Power Kill
Dropping SO off at work last night in the snow and slop of North East and turned down a side road and truck decided all electronics would turn off, power steering/brakes/radio/engine, but still had headlights and dash. Battery Light came on.
Started truck backup and ran fine the rest of the way (15min)
Restarted the truck to run home and voltage was low 11-change to mid-12s. Drove about 5 min and same thing happened, lost power, still had headlights and dash lights and the battery light came on. Restarted it, got up to running speed and worked back up to mid 13's (13.5-13.78).
Both restarts after event were fine with no hesitation, and lights weren't fading as if alternator. Was thinking bad ground somewhere would do this?
Any help would be appreciated as this is my first post. By the way, it's a 2005 Ford F-350 w/ 6.0.
Started truck backup and ran fine the rest of the way (15min)
Restarted the truck to run home and voltage was low 11-change to mid-12s. Drove about 5 min and same thing happened, lost power, still had headlights and dash lights and the battery light came on. Restarted it, got up to running speed and worked back up to mid 13's (13.5-13.78).
Both restarts after event were fine with no hesitation, and lights weren't fading as if alternator. Was thinking bad ground somewhere would do this?
Any help would be appreciated as this is my first post. By the way, it's a 2005 Ford F-350 w/ 6.0.
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Dave,
If I'm correct low voltage issues could be related to insufficient alternator, bad batteries, and/or a short somewhere in the system, would this be correct?
Batteries at 3yo Interstates, I replaced my alternator last year after it died, I originally replaced w/ a 185, but it melted the wire from back of alternator so I downgraded to a 110 from NAPA and that seemed to resolve that issue.
Any help would be appreciated.
If I'm correct low voltage issues could be related to insufficient alternator, bad batteries, and/or a short somewhere in the system, would this be correct?
Batteries at 3yo Interstates, I replaced my alternator last year after it died, I originally replaced w/ a 185, but it melted the wire from back of alternator so I downgraded to a 110 from NAPA and that seemed to resolve that issue.
Any help would be appreciated.
Fleet Owner
Joined: Aug 2010
Posts: 21,253
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From: Reynoldsburg, Ohio
To this somewhat inexperienced DIY guy this sounds like an intermittent failing of electrical supply to the ECM, something that "resets" itself after things cool down or a vibration makes contact once again.
Not really sure, just an idea.
Not really sure, just an idea.
Moderator
Joined: Jan 2001
Posts: 56,992
Likes: 2,741
From: Virginia
You can check all your connections. Just take them off, and put them back on a re-tighten. You can also get your alternator and batteries checked. The voltage in the system should be higher though, so that's a sign. These newer trucks like to do wacky things if the voltage drops too low.
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