How many volts?

[LAAllison]

Put new gauges in this spring and added a voltmeter. It reads 14-15 volts at 3000+ rpm.
Is that right for a 225 SM?
Thanks

Art



Roll Tide

 

[Crazyoz]

Mine would have 14 to 14 1/2 at that rpm. Dont know if that is where it is supposed to be but that is what I had. Hope it helps to answer your question.

OZ

 

[silverbullet02]

What's a SM? On my 150PM, it was 17+ volts when I got it, replaced the regulators and it ran 13.9-14.2 on the digital readout on my Humminbird, but the gauge was in the 14-15 range by the needle, so it sounds like you're working just great!

 

[Hydropromax]

What's a SM? On my 150PM, it was 17+ volts when I got it, replaced the regulators and it ran 13.9-14.2 on the digital readout on my Humminbird, but the gauge was in the 14-15 range by the needle, so it sounds like you're working just great!

SM is sportmaster, but that does no good for charging. Prolly PM with SM.

 

[LAAllison]

SM---Super Mag 225 same as Promax except for color.

Art


Roll Tide

 

[tomoad]

my gauges do fine till I start getting over 6000rpm then they all start going haywire, thought it may be the ground so ran a ground wire from the battery up to the gauges--nope still does it.