new alternator and not charging. what could be the problem

Asked by Orion Sep 19, 2016 at 03:36 PM about the 1996 GMC Sonoma 2 Dr SL Standard Cab SB

Question type: Maintenance & Repair

new alternator and not charging. what could be the problem

3 Answers


Could be the battery, corroded, or loose battery cables, or bad voltage regulator. Take the truck to your local auto parts and they can check it free of charge

1 people found this helpful.

all above are correct...diode...who and when was the alt replaced?? as ts said some time ago >It looks like your trucks charging system is computer controlled, have the engine control system checked, the fault might be in the ECM. its called a VAT TEST

2 people found this helpful.
58,315 alternator_charging_problem_1998_gmc_jimmy_4_3.html

Your Answer:


Looking for a Used Sonoma in your area?

CarGurus has 3 nationwide Sonoma listings starting at $5,911.

Postal Code:

GMC Sonoma Experts

  • #1
  • #2
    Mike Bonnell
  • #3
    James Mayfield
View All

Find great deals from top-rated dealers


Related Models For Sale

Used Chevrolet S-10
9 listings
Used GMC Sierra 1500
64 Great Deals out of 4,084 listings starting at $520
Used Ford Ranger
8 Great Deals out of 936 listings starting at $4,497
Used Ford F-150
109 Great Deals out of 8,350 listings starting at $3,970
Used Toyota Tacoma
21 Great Deals out of 610 listings starting at $1,038
Used Dodge Dakota
40 listings starting at $5,994
Used GMC Jimmy
4 listings
Used Dodge RAM 1500
175 listings starting at $3,500
Used Chevrolet Blazer
572 listings starting at $29,981
Used Jeep Wrangler
31 Great Deals out of 599 listings starting at $8,900

Used Cars for Sale

2000 GMC Sonoma For Sale
1 listings starting at $5,911

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.