☰
Login
Join
×
Ask a Question
Questions by Vehicle
Repair Topics
Testing / Diagnostics
Repair & Service Guides
Symptoms
Warning Lights
Trouble Codes
How It Works
Videos
Login
Become a Member
Home
Chevrolet
Silverado
Electrical
Voltage drop occasionally
2004 CHEVROLET SILVERADO
240,000 MILES • 5.3L • V8
RUSSELL R
MEMBER
1 POST
Voltage drop occasionally when cornering or climbing an incline.
Oct 1, 2019 at 1:49 AM
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
🔧 Tools & Auto Repair Parts
Find automotive tools, diagnostic equipment, and replacement parts for your next repair.
Shop on Amazon →
Paid affiliate link. As an Amazon Associate, we earn from qualifying purchases.
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Add image or video
Ask a new question
Frequently Asked Problems for This Vehicle
Engine won't start
→
Engine stalls while driving
→