Oil Light Blinking

[fixkick]

there is only one. not 2.
the oil sender in on the left side of the block, dead center, at the main Oil gallery

1: wire fell off to it and is hitting frame.?
2: sender bad.
3: oil pressure is bad.
4: old engine running 0w oil, dont!

here i am, new block. step one, i get 50 psi, crankiing with no fuel in car. no spark.
sender out, gauge in.


pS
if pressure is 0 , or near , kiss of rod #4, just like this motor, when i got it.