"Buzzing" from Ignition and Brakes: Ford F-53
2012 Class A Winnebago Adventurer Ford F-53 V10: Two separate "buzzing" sounds. With the key in the ignition and before turning the key to start the motor, If the brake pedal is depressed, a bu...
Forum Discussion
Anytime you press on the brake without the engine running you'll hear the Hydroboost electric motor running (if there's any juice in the battery). The key doesn't need to be on to actuate it.
I'm not sure what the noise is you're hearing just by turning the key on.
I'm not sure what the noise is you're hearing just by turning the key on.
