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Originally Posted by SuperDanny
I'd thought I'd read in the factory service manual, but you're right, that does not make any sense. Also agree not to use a higher service fuse than what should be used. What do you mean by the statement: "Other than that it sounds like something isn't on that circuit isn't grounded properly". I thought a bad ground wouldn't pop a fuse, but rather a 12V that is [improperly] touching a ground, such as a bare wire that contacts the vehicle body.
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You are absolutely correct, SuperDanny- poor grounds/no ground have absolutely nothing to do with blowing a fuse. You are looking for a wire carrying (+) 12 volts that is touching ground somewhere. The purpose of a fuse is to open the circuit (prevent current flow) when excess current flow (short to ground) happens somewhere in the circuit.
Chasing grounds will find nothing in your case. You may want to look under your power seat to make sure moving wires haven't chaffed through on the seat frame/ seat track somewhere, and make sure there aren't any loose coins in the bottom of your cigarette lighter socket!