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Preperation: Rear Door
Once the speaker hole and rivnut locations have been marked, remove the door card
and dissassemble it.
Take the marker and place it down the larger boss holes in the speaker area to mark
on the sheet metal where the rivnuts will need to be installed.
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Preperation: Rear Door
Now take a hole punch and mark out the holes required for the rivnuts.
Use your prefered sheet metal cutting tools, such as a air hacksaw or similiar to cut
the marked speaker clearance hole in the door.
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