Fisker Buzz Forums - View Single Post - Problem with battery modules, acceleration, and cables
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Old 05-28-2019, 07:20 PM   #3 (permalink)
Join Date: Oct 2018
Location: Southern Sweden
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Originally Posted by nichevo View Post

I am an owner of a Fisker and I am new to the forum. I have a problem where when the car is driven, the battery indicator on the dashboard goes down rapidly until it marks that the battery is dead. The car also struggles to accelerate properly, where you have to wait a couple seconds until it slowly starts picking up speed. Does anyone have an idea of why this could be happening? My guess would be something in the modules but I am not sure.

I have also attached a picture of some cables, and would like to know if the one marked with red tape goes to the inverter and the one with blue tape goes to the air compressor for the AC. The cables don't have anything to do with the earlier problem, it's just that Ive made the mistake of unplugging them.

Cable Pic:

Thank you!!

Diagnose the HV-Battery problems with an OBD2 Scanner, gives an rough estimate of the problem. You need someone with a Fisker Karma WDI (Prodis) to pinpoint the exact problem.

Cables (your picture)
Red to the front (red = heat).
Blue down to the electric Air Conditioning compressor (blue = cold).
The “unmark” cable is connected to the Accessory Power Module (APM) (your inverters are located in the rear end)).

By the way, I really hope that you have disconnected the 12-volt battery connector (– Negative, Black) and that the MSD is completely pulled off and stored while you work on the car…

Last edited by SirCastic; 05-28-2019 at 07:23 PM.
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