No sound after battery swap W/ Nav

Originally Posted by nis350

Did you have any issues during the battery replacement process? I don't understand why it would stop working. Did you accidentally grounded the positive cable or had everything on while you disc/conn the battery?

There are fuses to protect all the power sources. So the fuses would blow even if you have any abnormalities during the battery installation.

I replaced the battery on a g37 with Nav and the only thing we had to do was reinitialized the windows.

Originally Posted by Bryan212

Did you check the fuses in the fuse box next to the battery?

Originally Posted by Venom13132

Yeah, so my helper moneky swapped the cables when jumping the car. I have been checking all the fuses that are obviously related to the system and have not found anything.

Originally Posted by nis350

So you connected the cables incorrectly while jumping the car? I'm surprise you didn't have more damages if that was the case.