voltage regulator?

[kingsfisherman]

Hello,

65 amp alternator, doesn't kick in when first started but does after increasing RPMs, is that the voltage regulaor going out?

 

[dingbat]

Hello,

65 amp alternator, doesn't kick in when first started but does after increasing RPMs, is that the voltage regulaor going out?View attachment 387593

Probably not.......
Alternator needs X rpm to generate the necessary current.
If it starts charging @ 1,500 rpm or so your good to go