Also, I had to PRIME the pump BEFORE reattaching the hoses to prevent an air lock in the pump. I know it sounds weird but after priming the pump, I immediately had fluid coming out of all washer nozzles.

Great information. The second line is for the rear washer. You're right, most aftermarket pumps have only one. In the same model year (2004) later VIN numbers (last 6 digits -127149 and beyond) went to a single pump which is A LOT for expensive than buying 2 pumps with the old design. Partsgeek has ...