Question about Cars & Trucks
Have the battery checked. There were a few years when Ford had an odd problem. The battery saver feature was designed to disconnect power draining equipment to leave you with enough juice to get the truck started. BUT it has been known to disconnect the charging system even at expressway speeds.
If the battery is weak enough to make the Alternator work too hard, the battery saver sees this as a power using problem and disconnects the charging circuit.
It is a sneaky problem and even using a battery charger the truck could be running and showing a charge, but disconnect the charger and it is a TIMED activation of the battery saver.. It activates after a few minutes and then your truck will discharge.
Another possibility is the plug-in for the small wires going to the alternator brushes. When you plug the plastic clip into the Alternator, the wires may not be sliding on the terminal. Often the wires ride up the plastic clip and fail to make contact with the terminal. In the store, they use their harness and clip and the terminal makes contact and works.
Posted on Oct 11, 2013
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Posted on Jan 02, 2017
How long did the 2nd alt. last before it died? The voltage regulator is, I believe, attached to the alternator. Have u had the voltage regulator checked?
Posted on Jan 04, 2009
Did you test the Alternator on or off the truck? It might be a problem with the control system to the Alternator. The regulator need a battery feed to work, It is usually ran through an alternator fuse.
Posted on Mar 11, 2009
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