There could be a switch that has gone bad in the headlight. The entire assembly will more then likely need to be replaced.

Check for proper bearing clearance. It is easy to get the wrong size bearings.

If it isn't starting you have another problem.

If a washer pump was replaced on a Jeep Wrangler and is still not working the fuses should be checked. The washer switch should also be checked as it could also be causing the pump not to work.

does that year have carb or tb?