Dead battery fix?

[Mikecando]

After dead battery issue twice and wire harness and new battery replaced on 2022 hybrid
Was wondering if anyone has installed a second battery in tandem with a rocker type switch (like in a boat) to offset electrical problems. A jump box will only help once or twice before all systems die at 70 mph leaving you soiling yourself as you attempt to roll to a safe spot to stop

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[Tailender]

Your wiring harness was replaced? Sounds like you got another bad one or bad battery.

 

[Mikecando]

Your wiring harness was replaced? Sounds like you got another bad one or bad battery.

Yes new harness and battery. Back to a different dealer. Have air bag recall to get done as well

 

[Tailender]

I'm hoping my cable holds up but I've already bought new ends to crimp on if it does happen. 14k miles and so far so good.

 

[danadams]

Out of curiosity? Do you have to open your doors often without driving?
I use my maverick as a work truck. I'm on my third 12v battery and I'm starting to wonder if the issue is more related to the TWELVE!!! lights that come on, and then STAY ON every time I open the door.
My dealership will not replace my harness, even after giving them ample reasons. I suspect the real issues is either due to dumb firmware, or STUPID overuse of TONS OF LIGHTS every time a door is touched,

 

[Ford Motor Company]

Out of curiosity? Do you have to open your doors often without driving?
I use my maverick as a work truck. I'm on my third 12v battery and I'm starting to wonder if the issue is more related to the TWELVE!!! lights that come on, and then STAY ON every time I open the door.
My dealership will not replace my harness, even after giving them ample reasons. I suspect the real issues is either due to dumb firmware, or STUPID overuse of TONS OF LIGHTS every time a door is touched,

Hello, Dan. Could you please send us a PM with your VIN and the name and location of your Ford dealer? I'd be happy to see how I can assist you with this concern!

 

[HeyBales]

Out of curiosity? Do you have to open your doors often without driving?
I use my maverick as a work truck. I'm on my third 12v battery and I'm starting to wonder if the issue is more related to the TWELVE!!! lights that come on, and then STAY ON every time I open the door.
My dealership will not replace my harness, even after giving them ample reasons. I suspect the real issues is either due to dumb firmware, or STUPID overuse of TONS OF LIGHTS every time a door is touched,

Firmware regarding recharging method and amount - check.
Excess lights on each time - check.
Low capacity batteries - check.
Cheap quality batteries - check.

Check out the Similar thread below about Hybrid battery for some suggestions on at least 2 of those items.

The main interior Off switch could help a tad.

And it sounds like the 1st item may have relief coming according to other threads.

 

[danadams]

Hello, Dan. Could you please send us a PM with your VIN and the name and location of your Ford dealer? I'd be happy to see how I can assist you with this concern!

THANKS FORD. DM sent.
I absolutely love the hybrid Mav aside from this 12v battery issue.

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