# Why might a car be running at 19 volts?

**URL:** <https://forums.speedlife.net/t/why-might-a-car-be-running-at-19-volts/334>\
**Category:** NYSpeed Automotive\
**Created:** [June 25, 2005, 7:54am UTC](https://forums.speedlife.net/t/why-might-a-car-be-running-at-19-volts/334 "2005-06-25T07:54:37Z")\
**Posts on this page:** 1\
**Showing post:** 6

<div class="post-metadata">

**Author:** ![Jskrapper](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/jskrapper/32/7570_2.png) [@Jskrapper](https://forums.speedlife.net/u/Jskrapper)\
**Post date:** [June 25, 2005, 2:10pm UTC](https://forums.speedlife.net/t/why-might-a-car-be-running-at-19-volts/334/6 "2005-06-25T14:10:07Z")

</div>

That symptom is always the voltage reg. Internal and external regulators are known for going but 99% of the time when an alternator mounted regulator goes you have to get a new alternator. Glad you have it figured out!

---

_[View the full topic](https://forums.speedlife.net/t/why-might-a-car-be-running-at-19-volts/334)._
