Reply to thread

Message: <blockquote data-quote="Michael Plummer" data-source="post: 1531943" data-attributes="member: 9170">Before buying another alternator, you need to make sure you don't have a wiring issue or a pulley issue. The 2G was common to all Mustangs from 1986 to 1993. It was replaced by the 3G in 1994. (Feel free to check me on that because I'm going off on memory.)Alternator calculator based on pulleys[URL unfurl="true"]https://www.paperformance.com/rpm-calculator/[/URL]Troubleshooting your alternator[URL unfurl="true"]https://www.paperformance.com/content/3G4GDiagnosis.pdf[/URL]FYINever under any circumstances remove the battery cable while the car is running! Doing this can damage the internal voltage regulator, making the alternator no longer charge.Good luckMichael Plummer</blockquote>