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2017 f250 lariat 6.7 powerstroke 20k miles. Disconnected…

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2017 f250 lariat 6.7 powerstroke...
2017 f250 lariat 6.7 powerstroke 20k miles. Disconnected batteries while installing some Door speakers. Reconnected batteries afterwards and now key fob wont unlock doors, no AC , no blinkers, no audio, no windshield wipers, and dash is lit up with service advancetrac/hill start assist. Pulled code for lost communication to steering column control module/lost communication to front controls interface module. Removed batteries and had them tested, 12.2 volts told they were good and just need to be charged. Charged both to 13.2 reinstalled and same issues. No fuses are blown. Do you think bad batteries could cause all of this? Before i spend the money on batteries should i go let the truck sit at the shop waiting to get the bcm/relays/etc checked out.
Submitted: 3 months ago.Category: Ford
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Answered in 17 minutes by:
4/3/2018
Ford Mechanic: Scott W., Ford Technician replied 3 months ago
Scott W.
Scott W., Ford Technician
Category: Ford
Satisfied Customers: 3,607
Experience: 28 yrs. experience as Ford ASE Master Technician. Accolades include being a 2005 Ford PTS Regional Finalist and 2006 ASE Ford National Technician.
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Hello my name is ***** ***** all the fuses under the hood ok too?

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Customer reply replied 3 months ago
the batteries are disconnected as of right now because the headlights would not turn off.
Ford Mechanic: Scott W., Ford Technician replied 3 months ago

How were they tested, visually or with a test light?

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Customer reply replied 3 months ago
Test light
Ford Mechanic: Scott W., Ford Technician replied 3 months ago

Was there any wiring connectors or grounds disconnected? I see a possibility of a power problem with all these circuits in the fuse panel but you say all the fuses are good. Was any wiring cut?

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Customer reply replied 3 months ago
the positive and negative wiring at the four door speakers were cut then added female connectors for aftermarket speakers
Ford Mechanic: Scott W., Ford Technician replied 3 months ago

How much voltage at fuse 13 in the BCM inside vehicle?

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