Not worth the risk, IMO. Run a relay and use the factory wires for its trigger. Use an inline fuse between the battery and the relay, as close to the battery end as feasible.
And yes, it is a 2amp fuse for the accessory circuit. Fuse 2 in fuse box 2.
And yes, it is a 2amp fuse for the accessory circuit. Fuse 2 in fuse box 2.