I decided to check the wiring a bit closer. Logic says if you turn on the overhead lights then pull the fuse that is supposed to be for the over head lights (nbr 3) then check the voltage on the nbr 3 lug you should get 0 V, but in this test it returns 12.4 volts and the lights remained on... Based on that I assumed the circuit must be double fused. I then proceeded to remove and replace other fuses to see which one it might be and the winner was the 5 amp number 6 fuse for the LP detector ! So, if you remove number 3 and number 6 the overhead lights go out. My guess is that at some point in the system the 2 circuits are wired together. Now the question is , does it really matter ?
I have attached image of my fuse panel showing the wire colors. Still not an exact match to the Thor chart but everything does work.
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