whats causing my dashboard and headlights to flicker and radio turns off and on

What is your question?

running lights, dashboard lights flicker. gauges for gas, speedometer and radiator moving back and forth constantly. radio and cd player turns off and on. did replace battery about 5 months ago all this started to happen about 3 months ago. no noises or leaks.

What makes this problem better or worse?

starts 5 minutes after starting car

How long has your 2005 Dodge Grand Caravan had this problem?

3 months