Originally Posted by Governor
I know this is an old thread, but how did the guy disconnect the battery from under the hood? I thought only the jumper terminals were located under the hood.
I'd have to look, but I believe the remote terminals are between the battery and the electronics. Therefore, disconnecting the lead that connects the battery to the remote terminal should kill everything.
I wouldn't be surprised if it's a safety thing for exactly this type of situation so you don't have to fumble inside a car that is potentially on fire to disconnect the battery for things like the fuel pump or starter.
In a worst case scenario, fire fighters could pry the hood open to access the connection.
Further, when working on a car, such as when installing electronics or replacing the cooling fan, it makes it easier to kill the power and easily see that it is disconnected to avoid injury.