Hi Major_tom, thank you for your reply.

I have the battery fully charge with a reading of 12.6 VDC.
All the fuse have check and it good.
It just that i don't have a clear voltage reading at card in switch (R/B). If i'm not wrong, i should have a reading of 12 VDC at both wire when card in and one wire when card is out.
I believe as what you write, i may have bump to something, but before i go further i need to comfirm should there be a 12 VDC at the wire.

Thank for the diagram. After study through, i think it should have a 12 VDC at wire (R/B), correct me if i'm wrong.


Thank you.