I just bought this HU online recently. The problem with it is that the pin connector from the faceplate to the HU itself keeps on getting loose. And when it does, the face plate flashes and it doesn't work. But when I push on the faceplate it'll work again. Can anyone help me with this problem? Do I need to replace parts or clean something? Or it's not fixable? Please help! Thanks for looking.

p@dDy