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Showing results for tags 'Voltage'.
Found 3 results
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HI guys, We keep getting an RPM error, which when we run the code, it is a voltage fault (spn 168 FMI 17). We get the fault after we have been boating for 3-4 hours, it is now very repeatable. We also notice the voltage starts around 13, and slowly drips down to under 10, and then rapidly will drip down to 7-8, and we're done. We have had to jump start it twice on the lake to get it back to the dock. Sounds simple, but we have tested both batteries, they are good. We even replaced one that was older (even though it tested good), in hopes that was the problem. We took the alternator off and had it tested at an alternator shop and it came out just fine (oem alterator, 300 hours on the engine). Our conclusion is simply that the batteries are all charged up when we leave the house (because we always plug it in when its sitting),but clearly they are not being maintained by the alternator when out on the lake, and we run down over 3-4 hours. Our boat has 3 stereo amps that suck power as well, but we even turned off the stereo last time and it still happened. We are thinking alternator, or cabling problem to the battery? Any suggestions? Its at an alternator/battery shop now. We're having the alternator and pathways tested again. thanks, as always
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2004 Avalanche C4 with 350 Mag Merc I am having issues with voltage. I'll start with what I'm running. 2 Jabsco Reversible Pumps (only use while engine is running) 2 Stock aerator pumps for center tank. 2 Amps - Kicker 300watt RMS for tower speakers & MB Quart for in boats and 8" sub. 2 Batteries with Blue Seas Add-a-Battery system (has switch w/On, Off, Both & isolator charging relay) Stock Alternator (at least I think it's stock, not sure what amps) This is the problem I'm having. Without ballast full I have no issues with voltage. But when all ballast is full (2,300lbs) and on plane, voltage begins to drop to around 10 volts and low voltage alarm beeps every few seconds. Nothing stops working. Perfect Pass stays on, stereo stays on, and all dash stays on. But voltage gauge reads 10 volts and the alarm keep beeping. When off plane, voltage returns to normal 12-13 volts. I plan to replace the power hungry reversible pumps with Tsunami pumps for speed and less power consumption. I did not have this problem until I upgraded the rear ballast from twin 450lb sacs to 800lb sacs. I'm wondering if the voltage regulator is malfunctioning under load or if I just need an onshore charging system?
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Adjust voltage gauge
Rob-be-me posted a topic in Centurion Boat Accessories, Electronics and Modifications
I have a 2006 Avalance. The voltage gauge is way off. I test the battery at 12.52V, the instrament gauge shows closer to 10.25V. I need to adjust the gauge so I can monitor the voltage while chill'n on the lake to the stereo. Any suggestions on adjusting the instrament voltage gauge?
