5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Firewall Holes

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Old 02-01-2010, 01:44 PM
  #1  
speemike
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Default Firewall Holes

I am trying to wire up my MSD box under the drivers seat. I currently have the MSD power and my audio amp power coming through the hole with the speedo cable. The other hole on the drivers side has my clutch cable going through. I tried to run the four MSD triggering wires through the hood release cable hole but it is not big enough. I do not want to run the four trigger wires through the same hole as the power wires because of interference. I would also like to not put a hole in the steering shaft boot. Does anyone have any suggestions aside from moving the battery? Is there an "easy" spot for me to drill a new hole and put a grommet in?
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Old 02-01-2010, 04:56 PM
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MustangBradley
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Look on the firewall close to your other penetrations. Check both sides of the firewall. Find an open spot and drill your hole. Plan carefully so it is away from the hot stuff and away from your pedals.
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Old 02-01-2010, 05:20 PM
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stanks347
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There was a hole in the passenger side on my vert. It was pluged with seam sealer. Just stabed a big screw driver into it to get the hole.
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Old 02-01-2010, 06:23 PM
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Bubba 95SN
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Use a rubber grommet to keep wires form being cut.
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