Turn signal and brake light work when they want.

SEE IF ANY OF THIS HELPS

https://www.2carpros.com/questions/2004-jeep-grand-cherokee-blinker-problem

THE LINK WITHIN IT STILL WORKS (NOW, FOR SOME REASON YOU MUST ENTER ENGINE SIZE) YOU SHOULD GET THE IDEA ANYWAY....CONFIRM YOUR PARTS YOURSELF

SHOULD YOU NEED PARTS (LIKE OVER $50)

SEE THIS (MY 1ST ANSWER [PAGE 2] IN THIS POST)....USE THIS AS A GUIDE ANYTIME YOU PURCHASE ANYTHING FROM ANY WHERE

https://www.2carpros.com/questions/1977-jeep-cj7-front-wheel-wont-into-4-low/page/2

LET US KNOW HOW IT'S GOING

THE MEDIC