Borderline red

[steplift20]

My volt gauge needle goes up to 15 volts/borderline. My tach is working so I’m thinking it’s my voltage regulator. It’s a 1988 150 mercury black max. What do you guys think?

[phatdaddy]

When i had my 150 Black Max, it always ran on the high side. I ask around and was told those stators ran higher voltage because they put out so few amps.

Have you checked your batteries, make sure you re not losing water. If you have a GPS or bottom machine what voltage is it showing?

Hopefully, Spare will be along to give u a real answer

[steplift20]

Is spare back? I hope so but you said to check my battery’s,why? I just installed 5hem and had them charged but your not 5he only one who recommended that.
What I am going to do is hook up a multimeter to my battery and see if it’s the same that’s showing on my volt meter. And does the stator hav3 anything to do with 5he charge going high? Isn’t that what the regulator should do! I’m just asking.

[steplift20]

Is spare back? I hope so but you said to check my battery’s,why? I just installed 5hem and had them charged but your not 5he only one who recommended that.
What I am going to do is hook up a multimeter to my battery and see if it’s the same that’s showing on my volt meter. And does the stator hav3 anything to do with 5he charge going high? Isn’t that what the regulator should do! I’m just asking.

[phatdaddy]

He drops by occasionally, i think.

Always heard ,if your batteries need water, sign of overcharging. Good idea verifying the voltage, also if you have a dc amp clamp, check amps

[steplift20]

I’m go8ng to my boat tomorrow and I’m going to check the battery’s and voltage plus there was gas leaking when I shut down 5he motor from the carb area. The motor ran great but why is gas leaking? Side draft carbs? I’m going to poke around
If you or spare is in the area of Atlantic highlands. Stop by .

[dmoore]

I will tell you battery condition has a LOT to do with the issue you are experiencing. Not saying it's your problem but possible. Like was stated compare to depth/gps unit that gives a voltage reading...more accurate.

[steplift20]

My gps and fish finder doesn’t have a volt meter built in but I do have a volt meter gauge. The only way I can check it is to put a multimeter to it and monitor it as I’m running . Plus I think I told you that I have gas leaking from the front where the carbs are when I turn off 5he engine. I also have to check that too.

[steplift20]

Just got back from checking out my engine
This is what I found
Volts go up to 15 volts plus but not in the red zone.
The gas only leaks out when my engine is tilted up a little. But does not leak when it’s level.
So ? Is it ok? In think it’s good but the volts have me concerned. The gas leak, as long as it’s in the level position I’m ok. Any reply’s will be appreciated. Thanks guys .

[phatdaddy]

What was voltage at battery when u checked with multimeter? Also what is battery voltage with motor off?