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Aftermarket Electrical Hookup Help

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Hello all!

 

I have a 2014 Lincoln MKZ Hybrid. I am an EMT for my local fire protection district and plan on installing an emergency lighting system in the vehicle. Since the car is a Hybrid, all of the minor components such as A/C, Radio, Lights, etc. must be powered by the Hybrid battery? I just ordered a wiring harness that has it's own fuses and relays. The question is, where do I hook up for a primary power source? Do I connect into the Hybrid battery somehow or do I connect to the 12V battery that is in the trunk?

 

I know this may seem like a stupid question, but I figure I may as well ask because I don't know. I appreciate any responses, or any sources where I could find some more information on the subject. Thank you in advance.

 

 

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You'd probably be better off asking on the Ford Fusion Hybrid Forum.  They're basically the same in that respect.

 

There's a Fusion Hybrid Police car.  They have plenty of 12V accessories wired in. Maybe you can make some inquires.

 

Personally, I wouldn't go near the HVB.

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You'd probably be better off asking on the Ford Fusion Hybrid Forum.  They're basically the same in that respect.

 

There's a Fusion Hybrid Police car.  They have plenty of 12V accessories wired in. Maybe you can make some inquires.

 

Personally, I wouldn't go near the HVB.

 

Thank you! I found some threads on the Ford Fusion forum. I'll be wiring power from the 12V battery in the rear, and grounding to the frame instead of the negative terminal - due to possible problems with some battery depletion calculator built into the car's computer. By grounding to the frame you avoid messing with that system. That's from my understanding of the various threads. 

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Thank you! I found some threads on the Ford Fusion forum. I'll be wiring power from the 12V battery in the rear, and grounding to the frame instead of the negative terminal - due to possible problems with some battery depletion calculator built into the car's computer. By grounding to the frame you avoid messing with that system. That's from my understanding of the various threads. 

Good to know.  Thanks for reporting back.

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