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Home
GMC
Sonoma
Electrical
Alternator
Not Charging
Alternator will not charge battery
1999 GMC SONOMA
175,000 MILES • 2.2L • 4 CYL • MANUAL
JBET98
MEMBER
3 POSTS
FOLLOW
Does the positive battery cable attach to your alternator or starter?
Jun 24, 2019 at 12:13 PM
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ASEMASTER6371
CERTIFIED EXPERT
52,796 POSTS
Good afternoon,
Yes, there is a battery wire from the battery to the back of the alternator.
https://www.2carpros.com/articles/how-to-check-a-car-alternator
https://www.2carpros.com/articles/how-to-check-wiring
I will attach a wiring diagram for you to view. Check the alternator for power on any other wires.
Roy
Image (Click to enlarge)
Jun 24, 2019 at 12:54 PM