# 80-amp alternator resistance **URL:** \ **Category:** General Discussion\ **Created:** [December 23, 2019, 10:59pm UTC](https://community.cartalk.com/t/80-amp-alternator-resistance/155240 "2019-12-23T22:59:23Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Jeffrey22](https://avatars.discourse-cdn.com/v4/letter/j/85f322/32.png) [@Jeffrey22](https://community.cartalk.com/u/Jeffrey22)\ **Post date:** [December 23, 2019, 10:59pm UTC](https://community.cartalk.com/t/80-amp-alternator-resistance/155240/1 "2019-12-23T22:59:24Z")
80 amp alternator is it supposed to be in real free or supposed to have a lot of resistance ---
**Author:** ![MarkImig](https://avatars.discourse-cdn.com/v4/letter/m/c0e974/32.png) [@MarkImig](https://community.cartalk.com/u/MarkImig)\ **Post date:** [December 23, 2019, 11:50pm UTC](https://community.cartalk.com/t/80-amp-alternator-resistance/155240/2 "2019-12-23T23:50:21Z")
There should be some resistance but not enough to stop you from cranking it by hand. If not the wiring or the bearings are bad. In which case it’s probably time to look at a new one. ---
**Author:** ![Mustangman](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/mustangman/32/44130_2.png) [@Mustangman](https://community.cartalk.com/u/Mustangman)\ **Post date:** [December 24, 2019, 8:23pm UTC](https://community.cartalk.com/t/80-amp-alternator-resistance/155240/3 "2019-12-24T20:23:32Z")
> [@Jeffrey22](#): > > 80 amp alternator is it supposed to be in real free or supposed to have a lot of resistance HUH? Resistance to turning? No, should turn easily with the belt off. Or electrical resistance across the terminals? Depends on what terminals you tested across.