BMW Phil 0 #26 Posted July 20, 2021 There are lots of these on eBay- my question is, what per circuit current rating is required? I’m thinking about led headlights, so the charging circuit is the only concern. Share this post Link to post Share on other sites
lynnmor 7,459 #27 Posted July 20, 2021 24 minutes ago, BMW Phil said: There are lots of these on eBay- my question is, what per circuit current rating is required? I’m thinking about led headlights, so the charging circuit is the only concern. If you are replacing the stock headlights with led's, then the load will be less. If you are adding lights then you might want to add up all the loads. Share this post Link to post Share on other sites
cleat 6,796 #28 Posted July 20, 2021 37 minutes ago, BMW Phil said: There are lots of these on eBay- my question is, what per circuit current rating is required? I’m thinking about led headlights, so the charging circuit is the only concern. Run a wire from the regulator directly to the starter solenoid battery cable lug with a 30A inline fuse. The early 520's did this and it really takes a lot of load off of the 9 pin. Here is the early wire diagram for reference. Wheel horse 520H wire diagram.pdf Share this post Link to post Share on other sites
