No electrical power?
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Cross-Country
Joined: Jul 2017
Posts: 66
Likes: 1
No electrical power?
I have a 94 F150 5.0 with the e4od. Today I lost all electrical power to the vehicle. Battery is good 12.6 volts. No lights in the cab no headlights no radio no ignition no wipers no nothing.
No brake lights or emergency flasher either.
All under hood fuses look good.
Any help diagnosing much appreciated.
No brake lights or emergency flasher either.
All under hood fuses look good.
Any help diagnosing much appreciated.
Hotshot
Joined: Jan 2004
Posts: 19,760
Likes: 1,079
From: St Louis
Sure doesn't sound like it. Classic symptom of a failed battery (under load!), bad battery cable, or bad connection of a battery cable (either end of either cable).
Post Fiend
Joined: Apr 2002
Posts: 19,311
Likes: 97
From: Waterloo, Iowa
This should be an easy one, though it might not seem like it at first.
Measure battery voltage when it's loaded down, it isn't unusual for open circuit voltage to read OK, though choke when an actual load is applied. If the voltage is unchanged then look for a defective major battery terminal connection, something like that.
Measure battery voltage when it's loaded down, it isn't unusual for open circuit voltage to read OK, though choke when an actual load is applied. If the voltage is unchanged then look for a defective major battery terminal connection, something like that.
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