Lights comming on when i start engine Any ideas whats going on?

[Compulsion]

Hiya more radio well radio and speakers are fine. But i changed rear ones to kenwood same as ive got in me front door but now everytime i start the engine my headlights come on full beam? ive changed the head unit added a subwoofer and its all working fine and wasnt doing this only since i installed rear speakers has it happened its only when i start my engine properly not just ignition any ideas to whats goingon ?

 

[Compulsion]

Clio mk 2 btw

 

[Compulsion]

Sorted.

 

[agithegreat]

What was it? Helps rest of us if ours throws the same paddy!

 

[Compulsion]

well all i did was take it all out reset the radio i think i may have wired the rear speakers a bit wrong im not exactly 100% sorry mate but to anyone who does it dont take out the rear covers screw the new speaker in then find out lol coz i spent ages taking it all out again sorting it all just make sure all is fine.