Batteries!

[BillinPA]

Searched, but couldn’t find what I need.
I have a 1999 340 with V drives and I need new house batteries, but which is which?
I see 2 batteries port side near the charger, 2 batteries mid ship rear and a generator battery starboard back.
I would ask, but I done have a tester as I’m on vacation.

can anybody tell me who is who?

thanks,
Bill

 

[ASH]

Turn battery charger off. Turn key on without starting engine. Look at volt meters.

Pick the one that reads less than 12

 

[Carpediem44DB]

or conversely remove the wires from one battery bank at a time and see which circuits lose power

 

[dtfeld]

Bite the bullet and replace all 5. Unless you know the history, likely all are getting to end of useful life.

Trouble is finding batteries…plural.

I’ve had luck with Duracell Marine AGMs from Sam’s.

 

[wayne0]

Bite the bullet and replace all 5. Unless you know the history, likely all are getting to end of useful life.

Trouble is finding batteries…plural.

I’ve had luck with Duracell Marine AGMs from Sam’s.

Best solution. Got mine at Sam's for reasonable money.