Replace? It should be at the bottom of the reservoir
Replace the pump. Your local auto parts store will probably have one in stock.
Get a new car
To fix the windscreen washer on a Vauxhall TwinTop, first check the washer fluid level and refill if necessary. Inspect the washer pump fuse and replace it if it's blown. If the pump is functioning but still not spraying, check for clogs in the hoses or nozzles and clear any blockages. If the problem persists, the washer pump may need to be replaced.
$800
Underneath the washer holding tank is the pump motor.
$800 +
Let it thaw. or... It should fix the car if your nicer to your wife.
To fix a windscreen washer on a Mitsubishi L300 van, first check the washer fluid reservoir to ensure it's filled. If it's full, inspect the washer pump and fuse; the pump may be faulty, or the fuse might be blown. Check the hoses for any blockages or leaks, and clean or replace them as needed. If the pump is not working after testing, it may need to be replaced.
Some knob probably had it apart at some point and clipped the connectors for both washer pumps onto the wrong pump. The pumps will be at the base of the washer fluid reservoir. Disconnect the connectors at the pumps and clip them onto the opposite pump. Should fix your problem.
buy another one from a breakers yard
go ask a mechanic
Replace the switch or bypass it.