96 Force 75 overcharging

[romanspapa1]

I have a 1996 force 75 Hp that is over charging. What do i look for and where at? voltage regulator maybe. It goes up to 18-19 volts when running and has burned out 2 batteries in last 3 mos.

 

[Jiggz]

Re: 96 Force 75 overcharging

Try searching the forum for "rectifier" or "regulator" and you should see some mods to prevent overcharging.

 

[pnwboat]

Re: 96 Force 75 overcharging

Sounds like the regulator portion of your Rectifier/Regulator assy. has gone bad. Replace it and you should be good to go.

 

[AirOPS]

Re: 96 Force 75 overcharging

I don't mean to hijack this thread, but for the sake of others learning...

How exactly do you determine if your system is overcharging while running? Do you simply put a voltmeter to the battery terminals while the motor is running and see what it reads? Also, is anything above a standard 12.6V while motor running considered to be a situation of overcharging? Here's to furthering knowledge

 

[pnwboat]

Re: 96 Force 75 overcharging

Check the voltage across the battery terminals, or you can look at your voltmeter in your dash if so equipped.

On the later model Force motors that have a Rectifier/Regulator, with the engine running 2500 RPMs or higher, you should see about 14.5 volts.

On early model Force motor running at 2500 RPMs or higher that just have a Rectifier (no Regulator), 15 - 16 volts is not uncommon.

12.6 volts is the battery voltage. If you see 12.6 volts with the engine running at 2500 RPMs or more on either early or late model motors, the charging system is not working.

 

[AirOPS]

Re: 96 Force 75 overcharging

Check the voltage across the battery terminals, or you can look at your voltmeter in your dash if so equipped.

On the later model Force motors that have a Rectifier/Regulator, with the engine running 2500 RPMs or higher, you should see about 14.5 volts.

On early model Force motor running at 2500 RPMs or higher that just have a Rectifier (no Regulator), 15 - 16 volts is not uncommon.

12.6 volts is the battery voltage. If you see 12.6 volts with the engine running at 2500 RPMs or more on either early or late model motors, the charging system is not working.

Great information, thanks pnwboat.