Mallory Fuel pump Issues - electrical

The short story.......
I removed my fuel pump (mallory 4140) as I thought it was bad. Before ordering a new one I thought I would jump straight off the battery and found that it works fine. I have a separate switch to power the fuel pump but can't figure out the issue where the issue is at. Seems like it would be a fuse but have replaced several that were blown and still the FTP wont work. Must be electrical but where to look?

I am a logistician and not a technician so just give me some leads as to where to start or what additional information is required to narrow this down.

Thanks in advance.