The Boating Forum

House vs cranking battery...

Old 09-13-2019, 05:04 PM
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Join Date: Jun 2019
Location: Tampa, FL
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Default House vs cranking battery...

Stupid question I'm sure.... I recently took my boat to West Coast Marine in Tampa to get a trolling motor installed w/ a 3 bank charger plus an alternator, a new transponder and they are unbelievably awful... They lost my tacklebox from CC (later found), installed my side scanning transponder backwards, didn't tighten 1/2 the battery electrical connections AND left iron wrenches laying on the deck so that there are permanent rust stains... That said, I trust NONE of the work they did.

I've noticed that ever since they did the install, my electronics stop working withing 5-30 minutes after motor is turned off... Everything dies, no radio, no chart, no pumps, dead. If I recycle battery switches it starts right up nd all is well until I turn motor off again, then cycle restarts after 5-30 minutes. I NEVER had this issue before. Today I go check and find that 1/2 the electrical connections aren't even finger tight so I checked all I could get to and tightened them. Problem still exists. Batteries are two years old but I noticed this:

The circuit labeled HOUSE is connected to Interstate 27M-XHD clearly marked CRANKING battery and circuit labeled ENGINE is connected to a Duracell SLI24MHP battery that doesn't clearly say "CRANKING" on it.

The question, are the batteries reversed? Thanks!
Old 09-13-2019, 05:21 PM
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Join Date: May 2019
Location: Georgia
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Man, that's a mess! Well you have two options, take it back and make them do it correctly since you paid for it or flush it as a loss and start from scratch and fix it yourself. If you electronics are dying, then either you have a bad house battery or your switch is bad or maybe both. Either way if the batteries are good, then your electronics should run for however long.

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