Im lost without the PW thread!!!!

[Iwndr]

Cover one eye and read the bottom line

they did not have this chart at the eye doctor's yesterday, i will bring this pic to him. and demand he upgrade h

[Fiveflat]

After the engine is running the volts should jump up to 13-14V

But trying to charge the DEAD batters with the alternator will stress it and can ruin it....

Lohe, if the batteries are TOO dead, they won't have enough juice to run the fuel pumps unless run at a higher RPM, or still with the jumper cables hooked up. Could take five minutes before there's enough energy in the battery to run the high pressure pump.

I had to jump start my boat last night. I got it started but I was dumb and ran my stereo once engine was running. Anyway, voltage was reading 13-14 volts then all of a sudden gauge went to 0volts. Beeper started going off and then motor stalled and died. I'm out on the water still. Wondering if j should just jump it again and keep stereo turned off or just go straight to swapping alternator?

[Fiveflat]

Is it possible that too high RPM can ruin alternator? Like since I swapped prop and running higher than normal?

[Fiveflat]

Or just coincidence? I'm assuming my stereo is drawing more than my alt is putting out? How many amps does a 500watt sub and two 300 watt amps for pro80s draw?

[lohe]

With a dead battery more then you alt

[lohe]

If you have it bring a spare battery. And connect to that one instead of the dead one

[Fiveflat]

Both are dead. But I can just replace one and switch perko, leaving stereo battery off. Still should get meter an test alt I think

[Fiveflat]

Running home for meter and tools. Can I just grab an alt at napa? Or do I need a "marine" alternator.

Just trying to save my weekend

[lohe]

Running home for meter and tools. Can I just grab an alt at napa? Or do I need a "marine" alternator.

Just trying to save my weekend

Marine ones have spark screens to prevent them from ingtiting your bilge fumes and making a fire.

[lohe]

I am getting my alternator rebuilt and they are making it a 90-100amp VS the 60 it is now, Local shop quoted me 100 bucks.

[lohe]

If you have a spare battery and jumper cables I would switch your perko off pull the cables off your starter battery and use the cable to connect it to your "fresh" one also grab a volt meter if you got one and check the actual output at the alternator and what it is the battery.

[Fiveflat]

10-4. That's my plan. Headed back to boat with my freshie and DVM

[xpjim1]

Vegas baby !!

[lohe]

Reload

[lohe]

Drilling holes in the boat