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03-11-2013, 06:52 PM
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#1
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,899
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Harness through metal Question
Since I listened to internet people, I need to cut a access hole to allow the trans plug to fit here.
This is from under the car, the connector needs to be able to have a harness plug into it.
So, my idea is to cut a square out from the inside, see dashed lines below
Then weld a plate over the inside with a grommet riveted to it, similar to below
Thoughts? I am not a welding/body etc kinda persons so wanna get some opinions before I cut away. The hole was from a pilot drill, was gonna try a hole saw, but that was not a good plan. Measured out decent though, found it first pilot hole/
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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03-11-2013, 07:51 PM
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#2
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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why a square hole? and those seals don't require welding do they?
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Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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03-11-2013, 07:54 PM
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#3
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,899
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Quote:
Originally Posted by BonzoHansen
why a square hole? and those seals don't require welding do they?
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Because the surface is curved, which is why I abandoned the hole saw idea, it would be ugly and not work.
A square would be easy to cut, then mold a plate to the curve, weld it, and have a grommet bolted/riveted etc to the plate.
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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03-11-2013, 08:04 PM
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#4
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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You can cut a round hole with a dremel. either cutoff discs or maybe a spiral saw blade (I think they make those for metal)
is the underside flat or equally curved
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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03-11-2013, 08:10 PM
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#5
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,899
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Quote:
Originally Posted by BonzoHansen
You can cut a round hole with a dremel. either cutoff discs or maybe a spiral saw blade (I think they make those for metal)
is the underside flat or equally curved
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This is frame steel, a dremel or similar tool would take me a month and a few hundred disks.
Both sides are curved, and I just was under the impression a piece of 1/8 steel molded over the square cut then welded down was less hack than attempting a circle cut.
But, again, I am not a body guy
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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03-11-2013, 08:12 PM
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#6
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Join Date: Dec 2004
Location: manchester, NJ
Posts: 1,775
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how curved is that area? those grommets are pretty cool. id say cut it with a holesaw put the grommet in and just bang it into place and screw it in with the supplied holes. If its not going to be seen you can squirt a little seam seal around it to ensure its air tight... the ring around the seal is metal right?
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97 Firebird Formula - 383LT1
15 Subaru WRX - 2.0L-turbo
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03-11-2013, 08:16 PM
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#7
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,899
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Quote:
Originally Posted by transmaro93
how curved is that area? those grommets are pretty cool. id say cut it with a holesaw put the grommet in and just bang it into place and screw it in with the supplied holes. If its not going to be seen you can squirt a little seam seal around it to ensure its air tight... the ring around the seal is metal right?
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look on your driver side seat area, trans tunnel, thats the area in question
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Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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03-11-2013, 08:19 PM
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#8
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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is is just a harness or do you have to clearance for the connector too? i know it is a tight fit
__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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03-11-2013, 08:20 PM
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#9
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,899
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Quote:
Originally Posted by BonzoHansen
is is just a harness or do you have to clearance for the connector too? i know it is a tight fit
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The trans connector needs to fit though, well, I could depin it and then feed harness though a small hole, but thats not well thought out.
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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03-11-2013, 08:22 PM
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#10
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Join Date: Dec 2004
Location: manchester, NJ
Posts: 1,775
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lol i know thats where it is but its hard to tell in pic how curved it is. i dont see why you can just cut a nice hole with a hole saw and use those grommets. if that ring is metal you can bang it into any shape you want so curved area shouldnt really matter to much. only thing is you will have either rivits or screws showing under the car in the tunnel. if you can live with that i think it would work. another thing to think about is if you have to pass a connector through it you may want to cut your holes and everything and maybe cut the wires and just pass the thin wires through the grommet connect it into the trans and then solder the wires inside the car. otherwise your gonna have a bigger hole cut inthe rubber grommet and its not gonna be air/water tight
__________________
97 Firebird Formula - 383LT1
15 Subaru WRX - 2.0L-turbo
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03-11-2013, 08:33 PM
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#11
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Join Date: Dec 2004
Location: manchester, NJ
Posts: 1,775
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if you wanna cut and weld a plate or somthing that is doable to. i can help ya with that if you want to go that route. but your car is at your house and not drivable. assuming you dont have a welder and prob dont have same plug for 220 i have on mine. so i dont know how we could make that happen unless you tow it here
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97 Firebird Formula - 383LT1
15 Subaru WRX - 2.0L-turbo
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03-11-2013, 08:40 PM
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#12
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,899
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Quote:
Originally Posted by transmaro93
if you wanna cut and weld a plate or somthing that is doable to. i can help ya with that if you want to go that route. but your car is at your house and not drivable. assuming you dont have a welder and prob dont have same plug for 220 i have on mine. so i dont know how we could make that happen unless you tow it here
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Towing it is a viable option, would not mind doing it at all.
I just do not think a hole saw is gonna be a clean way of doing it, just imagining it grabbing and what not
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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03-11-2013, 08:43 PM
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#13
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,341
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I'm assuming the problem here is the unibody structure that is seen in the first pic.
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03-11-2013, 09:15 PM
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#14
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,899
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Thats kinda what i had in mind, then weld a plate on the inside, goop up the outside with a plate to seal out debris
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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03-11-2013, 10:07 PM
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#15
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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More hack than a hole saw imo.
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03-12-2013, 02:17 AM
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#16
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Join Date: Nov 2012
Location: Millstone, NJ
Posts: 641
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Why not just cut the hole, make a plate up and silicone it on with some self tapping screws since u dont have a welder.
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94 TA GT. Stock 350, cam, exhaust
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03-12-2013, 06:25 AM
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#17
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,899
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Quote:
Originally Posted by WildBillyT
More hack than a hole saw imo.
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Ok, guess the consensus is to attempt the hole saw.
Quote:
Originally Posted by Dudbird113
Why not just cut the hole, make a plate up and silicone it on with some self tapping screws since u dont have a welder.
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Making a very concerted effort to avoid any and all hacking, self tappers are way up on the half ass list.
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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03-12-2013, 07:23 AM
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#18
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Join Date: Mar 2007
Location: NJ
Posts: 540
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Do you have an air compressor? I bought a Carbide Burr set from the Snap-on guy and they work great. Something like that may be easier to work with in that area.
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03-12-2013, 09:11 AM
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#19
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Stalker
Join Date: Aug 2004
Posts: 12,077
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Have you looked to see if anyone does or can make a custom connector? like 90°, then you can run the harness back a little . not a simple mod but shouldn't be impossible. only like 12 pins or something like that right?
Last edited by V; 03-12-2013 at 09:11 AM.
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03-12-2013, 09:21 AM
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#20
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Ayatollah of Rock N Rolla / Admin
Join Date: Mar 2006
Location: Parts Unknown
Posts: 12,573
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Quote:
Originally Posted by LTb1ow
Ok, guess the consensus is to attempt the hole saw.
Making a very concerted effort to avoid any and all hacking, self tappers are way up on the half ass list.
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The way I see it, if the hole saw looks half assed and h@x0r then no biggie. You were going to cut the section out anyway.
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03-12-2013, 09:26 AM
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#21
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Mongo the Meet Coordinator
Join Date: May 2008
Posts: 16,899
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Quote:
Originally Posted by V
Have you looked to see if anyone does or can make a custom connector? like 90°, then you can run the harness back a little . not a simple mod but shouldn't be impossible. only like 12 pins or something like that right?
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The trans connector is not made aftermarket yet AFAIK.
Would def use that option if I could, believe the truck connectors are right angles but again, its too tight.
__________________
Quote:
Originally Posted by KirkEvil
repo bigals turd gen and part it out to a loving home
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03-12-2013, 03:31 PM
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#22
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Admin.
Join Date: Aug 2005
Location: Hamilton, NJ
Posts: 20,149
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saw this earlier, thought of you
Quote:
Originally Posted by Done Yet?
First off the repair pieces were purchased from NPD. Lay your repair pieces over top of existing hole and draw a line around the outer edge.
![](http://media.use.com/images/s_2/e10aff4e30ad710bd772.jpg)
Next i will show you how to cut a round hole with a cut off wheel. This works better if your cut off wheel has a little wear on it and it is not full size. You need to make a bunch of cuts from the inside and stop right before the line that was transfered. See the pic below.
![](http://media.use.com/images/s_2/3276bfd747a0b7cb254f.jpg)
When your done slicing it will look like this.
![](http://media.use.com/images/s_2/596eba6f1c32cee0ceb7.jpg)
Now use the cutoff wheel and cut out the rest stopping before the line. Once you have removed all of the slivers of metal turn the cutoff wheel upright and clean up the edge of the hole without grinding past your line.
![](http://media.use.com/images/s_2/cb384c095410dcd4e3b2.jpg)
Now switch out the cut off wheel for a deburring tip (shown in the next pick) And carefully trim the outer edge of your hole until your repair piece fits nice and snug like shown.
![](http://media.use.com/images/s_2/40179ad08d9377c6c0c9.jpg)
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__________________
Vent Windows Forever!
The looser the waistband, the deeper the quicksand. Or so I have read.
Feather-light suspension, Konis just couldn't hold. I'm so glad I took a look inside your showroom doors.
Hey everybody, it's good to have you on the Baba-too-da-ba-too-ba-ba-buh-doo-ga-ga-bop-a-dop
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03-12-2013, 03:51 PM
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#23
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Lord of the rings / 10 Second Club / Meet Coordinator
Join Date: Aug 2004
Location: Millstone Township, NJ
Posts: 6,358
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I was thinking he would just punch a hole through the tunnel.
__________________
97 T/A Ram Air Convt
Forever dyno queen / 777rwhp 662 rwtq @ 17lbs / 10.2 @ 140
'24 Corvette Z06
17 Sierra 2500HD Dmax
81 Turbo TA
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03-12-2013, 05:50 PM
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#24
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Meet Coordinator
Join Date: Jan 2008
Location: brick/pt. pleasant beach
Posts: 19,341
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That is neat!
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03-12-2013, 06:18 PM
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#25
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Join Date: Dec 2004
Location: manchester, NJ
Posts: 1,775
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was thinking more about this... is there an actual clearance issue on the trans half of the connector or just a clearance issue when the harness end is plugged in? was thinking today to do it (imo) really clean would be hole saw what you need in that unibody frame brace to clear the connector then from inside the car get a smaller rubber grommet and cut a hole in the actual tunnel itself to what ever size the grommet is poke a small hole in the grommet and depin the harness and punch the wires through the hole made in the grommet (this will now be pretty tight fit for air/water) and repin the connector. loom the portion of the wire that is on the outside of the tunnel for any sharp metal made by the holesaw. to me this is a clean way of doin it with minimal work. tell me what you think. dont forget to etch prime and paint any bare metal.
__________________
97 Firebird Formula - 383LT1
15 Subaru WRX - 2.0L-turbo
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