Voltage drop occasionally

240,000 MILES • 5.3L • V8
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RUSSELL R
  • MEMBER
  • 1 POST
Voltage drop occasionally when cornering or climbing an incline.
Oct 1, 2019 at 1:49 AM
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ASEMASTER6371
  • ✓Experienced Mechanic
  • 52,796 POSTS
Good afternoon,

This could be a failing alternator or a serpentine belt slipping from a worn tensioner.

Can you check the voltage at the battery with the engine running?

https://www.2carpros.com/articles/how-to-check-a-car-alternator

Roy
Oct 1, 2019 at 7:03 AM
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