Hiya Gang, I decided to replace the original horn on the 81CM400C as it sounded like it was stuttering and pushing about 40 decibels. Swapped it out with a denali sound bomb mini. No sound, just a little clicking noise so there's something happening. Swapped back the original and there's zero sound now. The connections all look to be okay. Idea's of where to start? I've got very little electrical experience, so pretend your talking with a caveman. Thanks!