Re: 1932 903 battery not charging

Posted by tbirdman On 2014/6/10 12:59:32

It appears my charging issues are fixed. I had the generator serviced. Nothing really found wrong except some questionable solder joints. The cutout was replaced with a Vreg which also mounts on the generator. First one that was tried did not do the job as it could supply enough voltage at reasonable current. Turns out none of these gen mounted Vreg specify current/voltage specs. Only the cowl mounted Vregs specify these.

Now the ammeter initially shows charging after you start the car. Then it slowly goes down to about zero. This makes sense as it replaces the battery potential that was used in starting the car and then after the battery is charged, battery current should drop off as you supply the running car with current from the generator. This also solves the possible problem of overcharging the battery with a cutout.