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-   -   Low Voltage (http://www.wakeworld.com/forum/showthread.php?t=792794)

greg2 04-15-2012 5:34 PM

Low Voltage
 
Looking for a little help. I have an 09 V ride and just in the last 5 weeks I started getting a low voltage alarm when you tunr the ignition on sometimes . Initially I thought I had a battery going bad so I charged the batteries, but that wasn't the problem. So today I put a volt meter on the batteries and both are over 12 volts. I checked all connections for corrosion and there wasn't any. I checked voltage into the ignition switch and it was 12.4 volts I checked the switch voltage in the accessory position and it was 12.4 volts. I checked the switch in the on position and it was only 11.4 volts. On the dash it reads anywhere from 10.8 to 11.6 volts, but normally around 11.1 with the engine not running. It seems the instrument panel is reading about 1 volt or more lower than it should be. I also tightened all of the wires on the grounding block under the gunnel. I haven't checked voltage running, but on the gauge it reads around 13.7 or 8. The batteries are staying up and have not needed a charge. I did do some additional checking and there are 4 wires on the "on" post of the ignition switch. Take all of them off and you get 12.4 volts from the "on" post. 2 of the wires (purple no stripes) are in one terminal and when it is connected to the "on" post voltage drops, but I have no idea why. The other wires have no effect on the voltage at the "on" post. Funny thing is when I went back out there to check around some more it was reading 12.2 volts...I cycled it 3 or 4 times and still got over 12 volts, then it fell back to 10.8 or so. The boat starts, runs fine and everything works....Any other thoughts?

1sikkvlx 08-25-2013 8:53 PM

Did you ever find the answer to the alarm? I just got back from lake shasta, and my low voltage alarm went off. The gauge reads 9.5 volts. we went back to the dock and checked the voltage and it was 12.6 at both battery banks. It starts and runs just fine except my mph portion of the perfect pass stopped working at the same time.... we went the entire weekend with it beeping. ugh!

DenverRider 08-25-2013 9:02 PM

Bad wire, bad connections, or a high amperage load between the battery and the instrument panel will cause resistance that lowers the voltage. You're looking for corrosion or something in line that is drawing more current than usual.

greg2 08-26-2013 10:59 AM

I did find the problem. It was in the wiring behind the panel where the shifter is...just had a bad connection there and it has been fine ever since.


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