Ford F150 4WD not working part 2: How to troubleshoot and replace the 4WD light switch. Part 2 of a 2 part series suggests some electrical troubleshooting ideas when a 2000 Ford F150 fails to go into four wheel drive. The vacuum solenoids, actuator and 4wd light switch are checked over, as the cause of intermittent operation is revealed. Many Ford trucks and SUVs made from 1997-2011 have similar 4wd systems.
Tags: Ford F150 4WD not working part 2: How to troubleshoot and replace the 4WD light switch, 4wd, not working, ford, f150, f250, msof, mechanical shift, light switch, solenoid, actuator, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005