I'm hoping someone can help me I have a 05 Mazda 3 hatchback my OEM PJB# BN8B 66730 E went on me 6 months ago so I grab a used one from a 07 sedan pjb# is PHBAN6 66730 E
plugged it up and everything worked perfect again except the horn doesn't work but it didn't work before either (not sure...
