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Ask Hank F. Your Own Question
Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 14487
Experience:  Certified on Onan and Generac generators
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How can u tell if voltage regulator is bad the red light is

Customer Question

how can u tell if voltage regulator is bad the red light is not coming on while its running generac queitpack 75g
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: it all was working starter went bad .I REPLACED starter and now no power
JA: Do you plan on doing the work yourself?
Customer: yes
JA: Anything else we should know to help you best?
Customer: other than that it wthisorked great until
Submitted: 4 months ago.
Category: Small Engine
Expert:  Hank F. replied 4 months ago.

Full and thorough testing of the generator is the only way to test a voltage regulator.

If it was working good before changing the starter, it sounds like you may have knocked a wire loose somewhere.