Stereo power for 2003 FV310 -- How can I find the source? (Needing to change its source)

Hi all,

Hope my title makes sense. We just picked up a 2003 FV310 and we love it but there are a few gremlins I'm trying to take care of.
Currently the stereo system is wired to one of the engine batteries. We have a 3 battery system, two engines and a house. When we are out on the water and want to turn the engine batteries off, we lose the radio. I haven't done any digging yet but I figured I'd ask to see before I start attempting to trace the source wires. Would these be found by the batteries, behind the battery switches, or elsewhere?

Thanks!

Comments

  • aero3113aero3113 Member Posts: 8,777 ✭✭✭✭✭
    For the radio to work with the engines off turn the key to the accessory position (counter clockwise).
    2008 330EC
  • Nick_03FV310Nick_03FV310 Member Posts: 17
    Yea we know this part.

    Problem is when you turn the battery switches to off (house still on), we lose the radio. When the port engine battery gets switched off, the radio gets cut, which is what I'd like to correct if at all possible.
  • aero3113aero3113 Member Posts: 8,777 ✭✭✭✭✭
    edited June 2018
    I see, you'll have to do some digging to find where it's wired. Once you trace it, it should be easy enough to rewire to your house battery.
    2008 330EC
  • Liberty44140Liberty44140 Member Posts: 4,318 ✭✭✭✭✭
    Why do you want the engine batteries off while your out on the water? Leave them on.
    07' Cruisers 390 (Previous Rinker's: 06' 342EC & 01' 310FV)

  • Nick_03FV310Nick_03FV310 Member Posts: 17
    Wouldnt it be wise to turn the engine batteries off while I'm anchored down in the lake just hanging out listening to music?

    I'd rather drain the house battery than the two engine batteries and be stranded... Or is my thought process wrong here?
  • F1100F1100 Member Posts: 292 ✭✭✭
    your engine batteries are isolated from the house batteries. There is no reason to manually switch them off

    1993 300 FIESTA VEE TWIN 5.7L ALPHA GEN 2
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