The cabin heater in our 2008 Wakesetter 247 is constantly on as long as the battery is connected. In order to get it to turn off we had to pull the fuse. Has anyone had this happen before, or know what might be causing it?
Also, the heater blows only cold air until the engine is being run at high RPM's (10+mph). Is this normal, or would a new heater core fix this issue?
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