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[Tragedy]

yes. If there's a short, you want it to pop the fuse close to the battery instead of at your amp... it's a fire hazard. Here's a few links with some info about that and other general tips:

http://www.crutchfield.com/ISEO-rgbt...tall_tips.html
http://www.caraudiohelp.com/how_to_i..._a_car_amp.htm

Granted it isn't like you're running a huge setup but it's always best (and safest and cheapest) to do everything right the first time.