Alternator Fuse Check this first, if new alternator is not charging. Shown on GMC Yukon Tahoe Sierra

How to do a continuity test with a multimeter    • Easy continuity test demo using fuses...   More videos like this here:    • Lower spare tire. How to remove the s...   If your volts meter in the car is showing 12 or less, the alternator is not likely working. It should show 13-14 Volts. It's always wise to check the fuse before buying a whole new alternator, though if that fuse goes other systems won't work as well. I've had some friends install a new alternator and it's sill bad being brand new!