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04-22-2020, 10:55 AM
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#1 |
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Senior Member
 
Join Date: May 2006
Location: Philadelphia, Pa. 19454
Posts: 9,840
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pass through holes
 [url=https://flic.kr/p/2iTaSd7]20200422_094638has anyone found the correct hole for the auxl. battery harness to pass thru to the fuse block got the harness from Roger Coop
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
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04-22-2020, 02:41 PM
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#2 |
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Carpe manana
  
Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,480
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Re: pass through holes
Jim it’s going to be a 3/4” hole same as tach harness I believe and it will be located at a dimple site between the fuse block and the parking brake. Looks like you have a tach harness hole? Should be an available dimple either above or below that. Check your insulation on the inside as I seem to recall perforations in the cardboard where these harnesses pass through and could serve as additional guide to the correct dimple. There aren’t many so it should be easy to determine. Maybe someone can post an example pic of their blazer. I don’t have my k20 here at the moment to use for guidance.
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1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308  Members met: ORANGBLAZ, 2003 silverado, MikeCofield, BB72CHEVKT, Duncan&Son, Sameyrasmea72, THENEWMEXICAN, HotRod C/10, brianthelion02, Sport/Truck, ryanroo, michael bustamante, Dirt's72, Already Gone, WestButteTruck, 57taskforce, Moreyel, painterljp, AASmedic, SoCoC10, Lumaestas, carbuff382, Chevyland
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04-23-2020, 09:27 AM
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#3 |
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Senior Member
Join Date: May 2006
Location: Philadelphia, Pa. 19454
Posts: 9,840
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Re: pass through holes
Thanks Pete for the information, I'll use my stepper drill to open it up to 3/4",
Just waiting for my new battery to arrive (yellow top Optima)
__________________
Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
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04-23-2020, 12:46 PM
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#4 |
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Carpe manana
Join Date: Dec 2010
Location: Eau Claire, WI
Posts: 12,480
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Re: pass through holes
Perfect. Double check me on the grommet size but I’m nearly certain it’s 3/4” like the that for the tach harness.
__________________
1972 K5 CST Highlander Blazer: http://67-72chevytrucks.com/vboard/s...d.php?t=708547 1972 K20 Cheyenne Super: http://67-72chevytrucks.com/vboard/s...d.php?t=528308 Members met: ORANGBLAZ, 2003 silverado, MikeCofield, BB72CHEVKT, Duncan&Son, Sameyrasmea72, THENEWMEXICAN, HotRod C/10, brianthelion02, Sport/Truck, ryanroo, michael bustamante, Dirt's72, Already Gone, WestButteTruck, 57taskforce, Moreyel, painterljp, AASmedic, SoCoC10, Lumaestas, carbuff382, Chevyland
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