Matthew goes through the whole process of upgrading an 88 Mustang to a 3G 130 AMP Alternator to solve low system voltage problems. This video includes a discussion of why you should do this, the parts involved, the tools you will need, and includes the physical install, wiring, and testing of the final installation.

Alternator Kit: Western Motorsports
https://www.wmsracing.com/wmsweb/ALT9...

Alternator 94/95 Mustang replacement alternator from any parts store

150 Amp Breaker: Amazon Canada https://www.amazon.ca/gp/product/B07J...
or any similar part