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Old     (l7wakeboarder)      Join Date: Feb 2005       04-25-2005, 6:49 AM Reply   
So we finally finished installing most of the stereo stuff this weekend and it sounds great. Here's the problem, the stereo works fine until we hit the throttle, at this point the two amps, one rockford x2 for the tower speakers and one kicker 350.4 for the two subs, cut out. The amps will kick back on when you put the boat back in neutral. I have no idea what to do to fix this problem. One of my friends said to try a cap, but I have heard from other people that they aren't that useful. Also, when we hit the throttle the volt meter jumps up from 13/14 to about 16/17. Is the problem that we are getting a power spike that would cause the amps to go into a safe mode? If so, how do we fix it? Thanks for any help!
Old     (tonality)      Join Date: Mar 2005       04-25-2005, 7:14 AM Reply   
If your voltmeter is accurate, and is actually sending your volts up that high, then yes, you need to get the voltage regulator on your alternator checked out. Shouldn't be punching the juice that high at all...around 14.4v should be max you get out of it. Get a shop to test the wire itself, make sure that your meter's readings are accurate, and if so, definitely have that reg. checked out. If your amplifiers are unregulated, they're getting a very dangerous surge and you'll blow em pretty quick.
Old     (tonality)      Join Date: Mar 2005       04-25-2005, 7:14 AM Reply   
and for crying out loud, give your friend that suggested a cap a good smack in the head.
Old     (mikeski)      Join Date: Aug 2003       04-25-2005, 12:06 PM Reply   
The guy that recommended a cap is not your friend...

Throw a DMM on it and see what it says, the boat voltmeters should have the numbers removed and replaced with red/green/yellow ranges because they are never very accurate.
Old     (l7wakeboarder)      Join Date: Feb 2005       04-26-2005, 11:03 AM Reply   
So basically we should check the alternator and go from there? If it is putting out too much power like it seems how do we go about fixing it? Is it just a simple part that we can replace or are we going to have to replace the whole alternator? Thanks for the help so far guys!
Old     (jklein)      Join Date: May 2001       04-26-2005, 1:47 PM Reply   
I'm not sure if you can just replace the voltage regulator on your alternator or not. A shop will know or the place where you can buy the parts. Make sure if you replace the alternator that it's got the spark arrestor on it so it can't ignite fumes in the motor box.

If the regulator is bad and 16-17 is real, arent you risking frying other parts on your boat too that are rated for less than 14.4v?
Old     (bob)      Join Date: Feb 2001       04-27-2005, 5:35 AM Reply   
like your ecu?
Old     (acurtis_ttu)      Join Date: May 2004       04-27-2005, 6:11 AM Reply   
You can replace just the regulator on your's realtively cheap....around $20-40. I just had mine replaced. It went bad. If you voltage is reading that high, your amps will definatley cut-out (protection mode)
Old     (boardstyle)      Join Date: Aug 2004       04-28-2005, 6:58 PM Reply   
tell that friend that suggested the cap that he is a moron, ryan you need a new alternator!
Old     (l7wakeboarder)      Join Date: Feb 2005       04-29-2005, 6:50 AM Reply   
Ok, Bob you are a moron!


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