I've been having a problem with my Sonar/GPS shutting off whenever I crank my big engine. I've heard this could be a sign of the battery getting weak. I'm gonna take it and get the juice checked on it tomorrow, and I'd say they're gonna tell me I need a new one. WHAT DO I GET? There's a post on here somewhere about Yammies needing a certain model number/power battery in order for everything to work right. Okay, I'm ramblin' here cause I have no idea. Any help would be appreciated!
Luke Anderson
Benton, Kentucky
1000 amp battery is all you need.
Yamaha rep told me I should run at least a group 27 for a cranking battery.
I run a group 29.
Pro Staff / Indian Creek Lure Co.
RMR Industries/ BTS and KVD Line and Lure Conditioner
Skeeter21 i / Yamaha 250 HPDI VMAX
I had same thing happen to me replaced battery with a new 24 group Delco like what i had, it still does the same thing if i run everything shuts off when cranking and sometimes hard to crank.I'm going to change to one of those big blue optima's.
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