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Old 09-23-2019, 01:13 PM
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Shade Tree Welder Shade Tree Welder is offline
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Default 2011 Ford Explorer Electrical Fault.

Looking for some assistance.

Okay, I have been getting a warning for the last week off and on that I
have a fault in my charging system.

I have checked the battery voltage with the car off, key out and battery
connected to the car. 12.98- 12.99V

With the car running the voltage is 14.22-14.25V

Today when the wife and I ran into town for lunch and some errands,
the power in the cabin would cut out and then back again only out for
a second at most. Then on the way home no issues at all.

I thought maybe a loose connection but all the connections at the battery
and in the fuse box are tight. Later tonight I will disconnect them, clean
them and anti-seize them.

What else could it be?
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Old 09-23-2019, 02:57 PM
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arizonian arizonian is offline
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Default

Quote:
Originally Posted by Shade Tree Welder View Post
Looking for some assistance.

Okay, I have been getting a warning for the last week off and on that I
have a fault in my charging system.

.....

I thought maybe a loose connection but all the connections at the battery
and in the fuse box are tight. Later tonight I will disconnect them, clean
them and anti-seize them.

What else could it be?
Check all grounds, both ends.
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Old 09-23-2019, 08:28 PM
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Ignition switch or connectors to the ignition switch
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Old 10-12-2019, 12:29 PM
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Shade Tree Welder Shade Tree Welder is offline
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Default

Quote:
Originally Posted by arizonian View Post
Check all grounds, both ends.
Of course, nothing loose.

Quote:
Originally Posted by MotorDoctor View Post
Ignition switch or connectors to the ignition switch
Yeah, I am not digging that deep yet...




Okay so from my last posts until yesterday, no issues with the electrical...

Yesterday several times while driving around it happened again...

a couple of time while I was stopped at lights. The engine itself never has an issue, battery is fully charged even though I am getting a warning of a charging system fault.

Today if I get a chance I am going to pull all the fuses and relays and see if I have a loose or dirty connection.

The one difference yesterday is that I was driving in and out of rain all day.
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Old 10-12-2019, 12:43 PM
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Oh and dielectric grease will be applied.
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Old 10-12-2019, 01:13 PM
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So it is a problem when it rains. Humidity is playing a role somehow.


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  #7  
Old 10-12-2019, 02:46 PM
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Shade Tree Welder Shade Tree Welder is offline
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Quote:
Originally Posted by toprecycler View Post
So it is a problem when it rains. Humidity is playing a role somehow.


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Not sure, but could be a contributing factor.
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Old 10-12-2019, 04:03 PM
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It would occur to me that the charging system fault indication ( if it can be taken completely at face value and is not a symptom of another failure ) light is on, that would not be related to a complete fall out of juice to the interior.

Id allow for the possibility that you have two problems and if they are related, the failure of interior power is likely more to do with the " warning light " on that the alt taking a shit or poor connections somewhere.

Food for thought.

Ive been away from newer shit for a while now, but if the VR failed, what about some kind of voltage protection, opening the power circuit to protect it. While not likely, it is possible.

You can also check the Alt for A/C voltage ( diode failure, that will cook the battery )
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Old 10-12-2019, 04:52 PM
Samcord Samcord is offline
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Sounds like a case of the green crusties, or a mouse.
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  #10  
Old 10-12-2019, 04:59 PM
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Whitetrash Whitetrash is offline
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Just throwing out ideas, Does the Exploder have one of those maxi fuse boxes under the hood on the fender and could you have water infiltration/corrosion going on in there?
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