a)2003 safari interior lights blink on and off b)Power door locks do not operate with key or any switch

1)While driving down the road, lights blink on and off?
a)Check:Door jam switches all good and tight

2)Power door locks do not operate with key or interior lock switch?
a)Fuse's and circuit breaker seem OK
b)Can hear side sliding door lock working on and off while driving down the road...