I found the switch today and it is working properly. Has continuity when closed and none when opened. I still cannot get my fuel pump to run without straight wiring it.
There are 4 wires going to my relay:
Pin #1 Tan/grn wire---Get power from Pin #2 when key is on.

Pin #2 Red Wire---Hot when key is ON

Pin #3 Brown wire-- NEVER gets power through the relay, But pump will run if I send power to it from the yellow wire or Pin #2 red wire with key on.

Pin#4 Yellow wire -----Hot All the time even with key OFF

I was having a problem with my original relay that when I hooked up power to the battery the pump would run. I changed relays and now the pump will not run. I went back to the parts store tonight and swapped relays to one that has 5 pins , but basically the same wiring diagram on top & it still will not work. Pin #3 & #4 should connect when the switch closes, but the switch is not making. What closes the switch? I tried to show the diagram that is on the relay below. What else can I do? Any Ideas?

3 ------/ -------4

1 ----
r
e
s On the relay this is represented as a curly cue line between 1 & 2
i
t
o
r
2 ---