DF150 Battery charging problem

[tomille3]

On my 2014 DF150 since few days the SMIS gauge is displaying 11.7 volts !

Today I did some check

Engine Stopped
- Battery -->same value 11.9 volts
- take the measure on the motor on starter --> same 11.9 volts.

Engine at idle

Nothing change , the value is same 11.9 volts

So it seems that the engine doesn't charge the battery .
I already check all the connection and all OK

Any suggestions ?

Rectifier/ Regulator dead ?

[tomille3]

It's OK I found the problem

It was the double ground cable located between the ECU an the rectifier/regulator. The bolt was loosed

After test , 13 Volts at idle !

[Moonlighter]

Good work finding the problem. A regular annual check of all main electrical connections to make sure they are clean, corrosion free and tight is a good idea!