Voltage regulator question - Only Cub Cadets

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Voltage regulator question

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03-07-2015, 07:31 PM

ford4150

Senior Member

Join Date: Apr 2014

Location: Kentucky

Posts: 425

Voltage regulator question

The VR on my 149 was faulty. I got a new one from Patton Acres, the $60 after-market one. Installed it today. Hooked up a voltmeter to the battery (13.2V) and started the engine. At idle I was reading 14.5V, at WOT 16.8V.
Charge indicator gauge needle slightly on the + side.
I'm concerned that 16.8V is too high. Continued running at high RPM will cause the battery to boil over.
Asking for opinions on this.
Connections made: F wire to F terminal, BAT wire to BAT terminal, GEN wire to GEN terminal on underside of new VR. L terminal not used. Ground wire removed.
Pics of old (L) and new VR (R). Sorry for poor quality.

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