My headlights are flashing off and on. Is there a circuit breaker bad, or something to reset...

2001 GMC SAVANA
125,000 MILES • 5.7L • V8 • 2WD • AUTOMATIC
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RRON
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My GMC Savana SLT 1500 5.7L (350) V8, has daytime running headlights and they are "Flashing Off & On Constantly", anytime the van is running. And I Have a feeling "that" is a Clue to Something is wrong"? Do you know what? Is there a Circuit Breaker that went Bad or Something to Reset? Where and What is it? Thanks in advance.
Apr 7, 2015 at 10:19 AM
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HMAC300
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have a o scan for codes to see if the module is bad or maybe a bad ground to fog lights.
Apr 7, 2015 at 12:30 PM