Check all your plastic pigtail connectors. Make sure they're all pushed tightly together. Also, as tnchuck100 suggested, check the ground connections.
2013 Jayco Eagle 328 RLTS
2012 Ford F250 6.2L 4x4 CCSB W/Air Lift air bags
2002 Coleman Bayside Elite (traded)
Me, Momma and Charles (RIP buddy)
And introducing Sofie!! ;)