Voltage regulator
Thread Starter
Junior Member
Joined: May 2016
Posts: 5
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Voltage regulator
Hi the volt meter in my truck when key is turned off stops in middle.then when I start it climbs to maximize top when running..is it my gauge to voltage regulator. 2004 ford f150.5.4 183.000kms and piece of crap..lol.
Senior Member
Joined: Jul 2011
Posts: 3,380
Likes: 503
From: Tonopah. AZ.
Check voltage with a digital volt meter at the battery with the engine running. The dash gauges are notoriously inaccurate. the voltage regulator is solid state non adjustable and built into the alternater and in later years voltage is controlled by the BCM modual.
