Spoiler acting strange
just purchased a 04 xfire with infinity system replaced rear subs and added flip out unit . had best buy install head unit when i got it back sounded amazing but as i took off the spoiler popped up, odd because i have it set down and the red light was blinking . spoiler now will only go down when key is on acc. soon as car is started i get the spoiler popping up ? the " pro installer" cant figure it out he used a scosche harness for merc's . should he be using a different harness or is he missing something obvious some of you have come across ? any help would be appreciated from a newbie