I thank you for all the info. The alternator is a aftermarket Bosch. I think that the FJ was worked on before I owned it. It has had the problem since day one. Replaced the bat and checked the alternator. Bat reads 12.6 when truck is off. 12.2 when it’s running with nothing electrical on. A...
I believe the draw if more than normal. The truck only can go a few days without having to charge the battery manually. If I run it at night and use the headlights it’s less than that. Headlights or dim while using. The needle Volt meter on the dash moves into the negative end substantially with...
I have a constant draw when fj is running. Stronger draw when using anything electrical, headlights, directionals, break lights etc... alternator was tested good and battery was replaced. I cleaned all major ground connections I could find. Ideas? Thanks. Jeremy