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Found 7 results

  1. Gene Larew

    alternator issue? new to boating

    Hello, new to boating. 1st time out with a 2006 Chap 210SSI 5.0 Merc 160 hrs. Dual batteries with the 1/2/both/off switch system. Started fine and idled fine—-out of marina and when any throttle given, the dash battery gauge jumps around erratically and the boat loses power. If I then back off on the throttle , down to barely in gear) it would run fine. I tried switching from batt 2–batt2-both and the same problem. After 15 min of this, it finally shut off and would not even attempt to start-totally dead. I got a tow into my slip and when I hooked up the on board charger at the dock and turned the key I had power. Any ideas? Thanks for the help in advance
  2. boaterguy

    Is my alternator enough?

    Sorry if this topic has been addressed here before, I actually did try to search!! OK, I need some advice from you electrical experts out here. I have a 2005 SSI 210 with the VP 5.0 GXI-E. A few years ago we added a wakeboard tower which also means tower speakers, stereo upgrade etc, etc. To give an idea of my power usage, the 4 cockpit speakers and 2 tower speakers are being driven by a Rockford Fosgate 800W amp and the 12" sub is in front of a 400W RF amp. With this upgrade also came a dual Optima battery set up with a battery switch (1,2,or 1&2). It is wired so I can use both batteries while running, and then switch to batt 2 when beached, isolating batt 1 so I can make it home. Now here is where my knowledge gets a little foggy. I am concerned the stock alternator is not enough to charge both batteries. I was told by the battery dealer that to properly charge, the alternator needs to be rated between 40-50% of the batteries rated power for AGM batteries. The amp hour rating is 55 per battery, giving me a rating of 110 amp hours. My owners manual says my stock alternator is 75 amp. The numbers add up that I should be where I need to be. I am looking for some opinions before I drop some BIG $$$ on a higher rated marine alternator, and possibly replacing wires with a heavier ones.
  3. big ed

    not comfortable with estimate

    2001 Sunest 233 5.7 volvo penta received an estimate to replace the alternator oem starter $400 plus labor to install seems high, does anyone have experience with this looking for insight Thanks in advance
  4. Hi all, I have a 2005 Volvo 5.7L GI-E (3869258) that started having some electrical problems and I was hoping for some advise. 4th of July I killed one of the two batteries while out on the water, switched to "All" to fire her back up and kept her running until we got back to the dock. The following day, same thing happened even though we had run around a bit. I went and bought a battery boost box https://smile.amazon.com/gp/product/B015TKUPIC/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1 Highly recommended... before this weekends trip. Boat started fine first time, but after sitting for awhile listening to the radio at a modest volume, no start. Thankfully the boost box cranked over that 5.7L I sat for awhile longer at high idle trying to charge, shut down, no start. Not sure how old the batteries are so wasn't sure if they both went bad or if I have an alternator problem. Parked at the marina and borrowed a meter from a tech there. Motor off, both batteries show week or replace. I started the motor and let it idle, was only showing around 12v, was hoping to see 14-14.5V. So I figured my alternator went bad. As I was searching for information on how to replace it (I don't want to pull it out of the water) I read someone saying some alternators don't start pushing out 14.5V until it idle's up. Anyone know if this is true for the Volvo? Thinking it could be my batteries since they're probably older.... Also, looks like this alternator only has 2 bolts, has anyone changed one of these? Couldn't find any instructions....
  5. Hi, I have a 2012 SF19H2O that always seems to not want to start. I replaced the cranking battery and now after a few times out it won't start again. Can someone tell me where to find the Alternator - I think it is on the wall next to the battery but the parts guide does not list it. Also, how do I test it - I know how to test it in a car - start the car - unhook the battery and put a meter on it, is it the same for this boat? What should I expect for output? Thank you so much for you help.
  6. PensacolaHusky

    Boat Won't Start

    I recently bought a 2005 Chapparal 236SSi with the Volvo 5.7L. Water test went great, got to take the the boat on the water once and it ran great. I went out of town for a few weeks and tried starting it up this morning. Nothing. Each of the batteries was reading about 12V. I hooked up the charger and still nothing. When I attempt to start all of my electronics come on and I get good voltage readings. I previously owned a 180 Monterey with a 3.0L Mercruiser and a single battery. I have a fear from reading a related topic earlier this morning. When I took the boat out of the water a few weeks ago I was running the engine to purge the salt water. I got careless with the battery switch and turned it the wrong way and went to OFF vice BOTH. This instantly killed the engine. I am almost certain that after turning it back to the start battery I ran it some more. Suggestions?
  7. Hi, I have a 2012 SF19H2O that always seems to not want to start. I replaced the cranking battery and now after a few times out it won't start again. Can someone tell me where to find the Alternator - I think it is on the wall next to the battery but the parts guide does not list it. Also, how do I test it - I know how to test it in a car - start the car - unhook the battery and put a meter on it, is it the same for this boat? What should I expect for output? Thank you so much for you help.
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