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Boat not getting any power

Posted on 6/14/19 at 6:18 pm
Posted by WPBTiger
Parts Unknown
Member since Nov 2011
31067 posts
Posted on 6/14/19 at 6:18 pm
Nothing on my boat is getting power. I have a cranking battery and trolling motor batteries that can also supply power.

I have a batter switch, 1, 2, and all. Cranking battery is 1, trolling motor batteries 2. I have tried 1, 2, and all. No power.

Could this battery switch bad bad? I have checked the fuses I could see and none are blown.

Suggestions?
Posted by Putty
Member since Oct 2003
25486 posts
Posted on 6/14/19 at 6:46 pm to
Assume by no power you mean none in gauges, lights, bilge, etc.

But if you are just talking about cranking, Kill switch?
Posted by WPBTiger
Parts Unknown
Member since Nov 2011
31067 posts
Posted on 6/14/19 at 6:50 pm to
quote:

Assume by no power you mean none in gauges, lights, bilge, etc.


Yes, nothing is getting power.
Posted by weadjust
Member since Aug 2012
15106 posts
Posted on 6/14/19 at 6:52 pm to
Do you have a volt meter?

This post was edited on 6/14/19 at 6:55 pm
Posted by Putty
Member since Oct 2003
25486 posts
Posted on 6/14/19 at 6:53 pm to
That is definitely weird. Assume you checked all your connections. Sounds like a bad switch or 5 bad/dead batteries maybe caused by a short somewhere.
Posted by WPBTiger
Parts Unknown
Member since Nov 2011
31067 posts
Posted on 6/14/19 at 6:55 pm to
quote:

Do you have a volt meter?


Yes. Checked batteries, they all have power.
Posted by weadjust
Member since Aug 2012
15106 posts
Posted on 6/14/19 at 6:58 pm to
Set switch to Battery 1. Check voltage for battery 1 going into the switch and out of the switch. Do the same with switch set to Battery 2 and All. If the voltage it 12ish volts going in and out of the switch on all settings that will eliminate the battery switch.
Posted by MrJudgeSmails
B Wood Baw
Member since Jul 2011
299 posts
Posted on 6/14/19 at 6:59 pm to
Bypass the switch and see what dat do.

Is your trolling motor also not getting power?
Posted by EveryoneGetsATrophy
Member since Nov 2017
2907 posts
Posted on 6/14/19 at 7:11 pm to
Battery switch is probably bad.
Posted by WPBTiger
Parts Unknown
Member since Nov 2011
31067 posts
Posted on 6/14/19 at 7:18 pm to
quote:

Is your trolling motor also not getting power?


Yep, no power.
Posted by Cracker
in a box
Member since Nov 2009
17711 posts
Posted on 6/14/19 at 7:30 pm to
Ohm meter start checking fuses go from there
Posted by MrLSU
Yellowstone, Val d'isere
Member since Jan 2004
25992 posts
Posted on 6/14/19 at 7:37 pm to
Check the wires for corrosion.
Posted by TIGERRVER
Baton Rouge
Member since Mar 2010
371 posts
Posted on 6/14/19 at 7:45 pm to
Remove all battery connections. Clean them. Use Coca-Cola if nothing else. Re-connect.
Posted by Redlos
Baton Rouge
Member since Jul 2005
1046 posts
Posted on 6/14/19 at 8:52 pm to
Do you have one of the small thermal circuit breakers on main battery?

Posted by baldona
Florida
Member since Feb 2016
20461 posts
Posted on 6/14/19 at 9:20 pm to
I’ve had the switch go bad before FYI.
Posted by Redlos
Baton Rouge
Member since Jul 2005
1046 posts
Posted on 6/14/19 at 9:32 pm to
I have this go out and lost power to all my console (pumps, lights, etc)

My engine and TM don’t run through it. Good to keep a couple spares on board.
Posted by deltaland
Member since Mar 2011
90637 posts
Posted on 6/15/19 at 5:27 pm to
quote:

Assume by no power you mean none in gauges, lights, bilge, etc.

But if you are just talking about cranking, Kill switch?


Usually kill switch allows it to turn over but not start.

Sounds like a bad connection somewhere or a bad switch. I’d suggest getting a test light, start at the battery and follow the wires to the switches. Check for loose connections, power to the switch, then flip switch and check for power on the other side.
Posted by hunt66
Member since Aug 2011
1484 posts
Posted on 6/16/19 at 1:13 pm to
Check circuit breaker to see if needs to be reset. For trolling motor - confirm it is “on” and plug is fully connected. Sounds stupid I know but once I did a lot of checking and the plug had pulled loose just a bit and was not getting a good connection.
Posted by roguetiger15
Member since Jan 2013
16167 posts
Posted on 6/16/19 at 1:27 pm to
Start with fuses
Posted by YawBaw7
Your Mom's house
Member since Jan 2017
414 posts
Posted on 6/16/19 at 1:29 pm to
Yes as others have said, it sounds like a bad connection on the Perko switch.
I went through this already on my old boat.
The connection behind the actual switch where the cables are connected needed to be cleaned/brushed off.
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