After much research, I was able to pinpoint the problem... it was identified in another thread (see below). I'm sure that many people who have issues with their front power windows working intermittently when the car is running, tend to clean the DDM or order parts to try and fix it. This easy fix o...

Hello. My front power windows on my '02 S60 will not work (most of the time) when the engine is running. It's only the front windows, and neither one will work (from the master switch or passenger switch). However, if the engine if off and the key is on, they work fine. I've read a lot about cleanin...