Replacing water pump on Dad's coach

Pump install, complete. The bolt pattern for the new pump was the same. However, the space/orientation of the water inlet and output, in relation to the mounting bolts, is different. The new ports were lower than the original pump, which necessitated a little finagling to get them to line up with the connectors. I did not need to replace the coach's water connectors, but new mounting holes were required so they matched the new pump's relocated ports and didn't stress the existing plumbing. The existing hot wire wasn't re-usable. Its connector was toast. New connectors for ground and hot were utilized and a dose of dielectric grease was applied before connecting them. For my test run, it wouldn't prime, but I didn't freak out. To initiate flow, I connected a fresh water hose to the Winterizing port and got water to flow through the clear-capped basket strainer/filter. The strainer wound up facing cap up, just like it was before I took it apart. No biggie.
Took me about 3 hours, which was at least twice my estimate, but that included giving Mom a hug, showing Dad the new pump-in-a-box, draining the fresh water tank into a pieced together, 30 foot long, 2" PVC pipe (diverting water away from the coach/work area) and clean up of the utilities compartment. Main thing, they have water, again, and Dad can continue to convalesce.
Thanks for all the input.
P.S. The pump had a little water, maybe a teaspoon, that drained out when I removed the ports' shipping plugs. I guess they test them at the factory.