How much of a stereo are you running or is it just a new headunit? If you're running an amp that's controlled by the radio's remote wire and for some reason the amp's never shutting down, that could cause problems.
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Andy - Reinstated
Hybrid Forum Moderator
'06 Subaru Legacy Spec B - Stock, for now
'98 Civic EX - CTR headlights and grill, Kosei K1's, for sale
'90 240SX - SR20DET that will never get installed, project car.