Mazda Miata (MX-5) This compact RWD model, offered with many engines options for those are who want to cruise with the top down in a base model, or hit the track in one of the high performance models, has been a popular model since its introduction.

NA Main Fuse block, 80 amp replacement

  #1  
Old 06-04-2018, 09:52 AM
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Join Date: Jun 2005
Location: NYC
Posts: 2
Question NA Main Fuse block, 80 amp replacement

Hello all. I'm having a problem replacing the 80 amp fuse in the engine bay's main fuse block.

I removed it with no issues...took off the block's mounting screws to gain easier access to those nasty little screws on each side of the block. Interestingly, when I put the new fuse in and attempted to torque the screw on the right side of the block (the side face the front right fender) the screw wouldn't catch on to any threads. Conversely, the screw on the opposite side had no issues. The only difference I can see is that there is a small threaded metal plate between the electrical lead and the plastic block on the engine side but no corresponding metal plate on the opposite side (face the fender). This seemed odd as it was originally torqued down pretty tightly. It's hard to conceive that the configuration wouldn't be the same on both sides of the fuse block but I swear that when I originally pulled the screw out there was no metal plate...you just can't miss that sort of thing.

So, enough of my long winded explanation. I'm convinced now that the screw was probably glued in place though that seems pretty weird on its face. I think all I need is that small metal plate to insert between the lead and the plastic of the fuse block though I'm having a hard time finding this piece. This is terribly frustrating. Any suggestions from the assembled masses? Thanks very much!

Marc
 
  #2  
Old 08-27-2018, 08:30 AM
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Join Date: Aug 2018
Location: California
Posts: 6
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Originally Posted by mnooch View Post
Hello all. I'm having a problem replacing the 80 amp fuse in the engine bay's main fuse block.

I removed it with no issues...took off the block's mounting screws to gain easier access to those nasty little screws on each side of the block. Interestingly, when I put the new fuse in and attempted to torque the screw on the right side of the block (the side face the front right fender) the screw wouldn't catch on to any threads. Conversely, the screw on the opposite side had no issues. The only difference I can see is that there is a small threaded metal plate between the electrical lead and the plastic block on the engine side but no corresponding metal plate on the opposite side (face the fender). This seemed odd as it was originally torqued down pretty tightly. It's hard to conceive that the configuration wouldn't be the same on both sides of the fuse block but I swear that when I originally pulled the screw out there was no metal plate...you just can't miss that sort of thing.

So, enough of my long winded explanation. I'm convinced now that the screw was probably glued in place though that seems pretty weird on its face. I think all I need is that small metal plate to insert between the lead and the plastic of the fuse block though I'm having a hard time finding this piece. This is terribly frustrating. Any suggestions from the assembled masses? Thanks very much!

Marc
I think youíre in the wrong place if youíre expecting the ďassembled massesĒ to help
Iím not near my car at the moment so Iím having a hard time visualizing what youíre describing. Providing a photo of the area in question would help, and would also probably encourage others to reply as well.
 
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