Blown main fuse, need some advice please.
 

hello guys and gals, I brought home my new to me '86 rx7. and need to get her running again. so here is the story for the main problem that keeps the car from running:
I saw this fc on kijiji (canada's version of craigslist), i knew it had been for sale for about 2 to 3 months at least. guy wanted 2500$ for it. had 17" rims and coil overs and such, over all pretty clean car. I give him a ring and go look at it later that night. get there and look the car over and we finally decide to put the battery from my truck in it to start it. and my buddy unknowingly hooked the cables up in reverse. we pull it back out and flip it around and it has lights and everything just wont start. upon closer inspection it had blown the main fuse. the guy who owned the car had a spare one, but we could not get the fuse out, so we bridged it with a screw diver and fired it up. it had been sitting for a year and half without starting. it fired up so nicely i could not believe it. way better than my friends previous rx7's. anyways long story short I bought it for 1500$ because it does need some work.

So on to the question, how do you get the main fuse out? i was looking around the fuse box and it looked like there was a bolt holding the fuse in, but did not know for sure.
Can somebody please point me in the right direction here thanks

Re: Blown main fuse, need some advice please.
 

There is a bolt on both sides just open the small door like lose both bots and it pulls out