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Author Topic:   Stray Electrical Current
alert1703 posted 07-06-2006 10:17 PM ET (US)   Profile for alert1703   Send Email to alert1703  
Whenever the deck on my 2006 Boston Whaler GUARDIAN 22 is wet and I put my hands in the water to grab a fish, the boat shocks the heck out of me. I would assume that something isn't grounded correctly. What is the problem? I probally need to take it in, but I am sick and tired of warranty claims and don't want to take it to the dealer and be off the water for 6 months. I'd rather fix it myself.
Buckda posted 07-06-2006 10:27 PM ET (US)     Profile for Buckda  Send Email to Buckda     
There is an electrical short and it needs to be fixed right now.

Take it to your dealer. It should be fixed within a day. I would demand it. It's a dangerous situation.

Dave

alert1703 posted 07-06-2006 10:37 PM ET (US)     Profile for alert1703  Send Email to alert1703     
Where might this problem be coming from? I bought the hull in Austin, Texas and bought the motor and had it mounted in Crowley, Louisiana. I live in Houston. Marine Max is pretty much the only establishment that does warranty work, and I'm not sure if this would be Whaler's or Yamaha's deal. I watched them mount and rig my motor, and I did notice that the (for some unknown reason) they soldered either the Positive or ground wire together. I think that the part that was soldered may be in the rigging tunnel causing the problem when water is in the rigging tunnel.
Buckda posted 07-06-2006 10:46 PM ET (US)     Profile for Buckda  Send Email to Buckda     
Head to Crowley.

They should warrant their work on the installation, and that is likely where the source of the stray current.

oroseiwhaler posted 07-07-2006 10:30 AM ET (US)     Profile for oroseiwhaler    
alert1703,
sounds pretty strange, 12/14.4 volts DC should not give you such a shock.!
Do you have a AC-Generator on board? Do you hold some metal parts (like tha grabrail) grabing a fish?

It sounds to me if your shoes and/or socks do some electrostatic build-up and when you put your hand in the water it wil give you a shock. Like the same happens in a car.

Try to check the voltage with a tester between some metal parts and the water, this may help to isolate the point with the positive load.

regards

chris

crabby posted 07-07-2006 12:45 PM ET (US)     Profile for crabby  Send Email to crabby     
I can get a jolt from my depth finder (the transducer, that is) if I stick my hand in the water near it; could something along these lines be related to your problem?
pglein posted 07-07-2006 02:05 PM ET (US)     Profile for pglein  Send Email to pglein     
I've never heard of anything like this. My suggestion would be to check every wire and every connection on the boat. Make sure nothing is out of place. The soldered connection in the tunnel sounds like a good place to start. If it's in the tunnel, it should be totally waterproof.
pglein posted 07-07-2006 02:27 PM ET (US)     Profile for pglein  Send Email to pglein     
Oh, and the zinc fish doesn't do you a lick of good unless the wire is attached to your engine housing and any other below-waterline metal.
alert1703 posted 07-07-2006 02:48 PM ET (US)     Profile for alert1703  Send Email to alert1703     
Thanks for everyones input. I am going to tackle this tomorrow evening, hopefully I will be able to find the problem.-Jake
alert1703 posted 07-08-2006 11:37 PM ET (US)     Profile for alert1703  Send Email to alert1703     
Well, after about 8 hours of brain draining, sweating, mosquito swatting, with the appreciated help of a good freind, I think we figured out the stray current problem. The fine folks at H&M marine in Crowley were definately the culprit. They spliced the main power wires together with solder and electrical tape and this was laying in the wet rigging tunnel. Hopefully I won't get shocked tommorow. Still have some puzzling wire problems that I'm gonna have to work on another day. I cannot seem to figure out the wiring for my Fuel Gauge. And for some reason the perko switch is thowing everything off. It is so puzzling I don't even know where to start to try to explain the problem in words. haha--Jake
jimh posted 07-09-2006 10:16 AM ET (US)     Profile for jimh  Send Email to jimh     
[Moved to SMALL BOAT ELECTRICAL.]
jimh posted 07-09-2006 10:17 AM ET (US)     Profile for jimh  Send Email to jimh     
Please begin a separate discussion for your other electrical probelms.

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