...software, but they are going on, help? l drive S80 Volvo 2.4i, it did not come with factory fitted Fog lights but has provisions for them , so l got some fog lights froma friends Volvo that had an accident, and l also got the switch as well. l fitted them on and took my car for a software Download so the Fogs could work, the software was downloaded fine and the switch is working fine but my fog lights wont come on, what could be the problem?????