When it rains my fuses box flickers an 4 wheel srive switcg flickees

Hello, sounds like you could have water intrusion to an electrical panel or module. Inspect for any signs of moisture or water leaks in areas under the dash especially. It's impossible to know more than that or guess more, so seek guidance at a local shop near you for further input and testing. Use this link to find some shops near you that can help with your concern: www.repairpal.com/repair-shops