At battery car on 13.5 it will go up but not much within spec. In sleep I get odd numbers it fluctuates about .75 but it well drop then rise. Obc shows the alternator at 13.7. So good there I haven't ruled out nav or amp. All I do hear is clicking. Like the actuator flap moving. I'm dead currently going to go buy one of those jumper things sick of asking for jump.
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