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> For those who moved their PCM inside, how, did you seal the hole in the firewall?
John_D.
post Sep 5 2006, 04:59 PM
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I cut a hole big enough to slide the pcm connectors through.
But there is no grommet big enough (that I can find) to seal it up.

Did you make some kind of 2-piece cover plate to go over the hole?

Fill it with putty?

Some other solution?


(it took a pretty good size hole to get a pcm connector (and the wire bundle on top of the connector) to go through)

Maybe everybody else just pushed all the small stuff through from the inside of the car, instead of pushing the big stuff through from the engine bay side...?
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mitchntx
post Sep 5 2006, 08:17 PM
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For my Painless harness, the existing hole to the outside of the HVAC panel was larger enough to fish the ECM connectors through. Not sure if the stock set-up is fatter than the Painless.

I then put all the wiring into that plastic convuluted sheathing to encapsulate it. Then I split some fuel line and lined the edge of the firewall. To further reduce chaffing, I placed big zip ties on either side of and against the firewall to keep movement minimized.
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John_D.
post Sep 5 2006, 09:09 PM
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QUOTE (mitchntx @ Sep 5 2006, 03:17 PM) *
For my Painless harness, the existing hole to the outside of the HVAC panel was large enough to fish the ECM connectors through.

Then I split some fuel line and lined the edge of the firewall. To further reduce chaffing, I placed big zip ties on either side of and against the firewall to keep movement minimized.


I think I tried that right-most hole and couldn't get them to go through it. (that, or the wires weren't long enough so I moved past that option)

Good idea on lining the edge... If I use aluminum plate I'll put it inside the hole after the plates are rotated. (IMG:http://www.frrax.com/rrforum/style_emoticons/default/smile.gif)



QUOTE (AllZWay @ Sep 5 2006, 03:16 PM) *
I used a grommet from the door. It is large enough for the connectors to fit through.


hmmm... I like reusing parts like that. Since I won't have any wires passing into the doors anymore, that could be an option. Just have to seal off the hole that's left.
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Posts in this topic
John_D.   For those who moved their PCM inside, how   Sep 5 2006, 04:59 PM
JKnight   Our pcm is still in the engine compartment, but fo...   Sep 5 2006, 06:59 PM
rmackintosh   I didn't do it your way....the hole thing that...   Sep 5 2006, 07:00 PM
John_D.   I've been kicking around 2 approaches. The ...   Sep 5 2006, 07:29 PM
AllZWay   QUOTE (John_D. @ Sep 5 2006, 11:59 AM) I ...   Sep 5 2006, 08:16 PM
mitchntx   For my Painless harness, the existing hole to the ...   Sep 5 2006, 08:17 PM
John_D.   QUOTE (mitchntx @ Sep 5 2006, 03:17 PM) F...   Sep 5 2006, 09:09 PM
Teutonic Speedracer   Just curious why you are moving the PCM inside? I...   Sep 5 2006, 10:11 PM
rmackintosh   QUOTE (Teutonic Speedracer @ Sep 5 2006, 05...   Sep 5 2006, 10:27 PM
John_D.   No nice cage in the works just yet... It's ...   Sep 6 2006, 01:55 AM
Teutonic Speedracer   QUOTE (John_D. @ Sep 5 2006, 09:55 PM) I ...   Sep 6 2006, 02:45 AM
John_D.   Sure will. May be a couple weeks before I get i...   Sep 6 2006, 03:02 AM
Blainefab   Good advice from all - the only thing I can add is...   Sep 6 2006, 08:02 AM
mitchntx   QUOTE (Blainefab @ Sep 6 2006, 03:02 AM) ...   Sep 6 2006, 09:16 AM
John_D.   QUOTE (Blainefab @ Sep 6 2006, 03:02 AM) ...   Sep 6 2006, 02:11 PM
mitchntx   Go to www.holley.com and search for "firewall...   Sep 8 2006, 01:58 AM
rmackintosh   QUOTE (mitchntx @ Sep 7 2006, 08:58 PM) G...   Sep 8 2006, 05:03 AM
mitchntx   Advertised at $15-25 Made for steel braided ...   Sep 8 2006, 05:23 AM
rmackintosh   QUOTE (mitchntx @ Sep 8 2006, 12:23 AM) A...   Sep 8 2006, 06:18 AM
roadracetransam   I just finished the same project (moving fuse pane...   Sep 8 2006, 09:21 PM
rmackintosh   QUOTE (roadracetransam @ Sep 8 2006, 04:2...   Sep 8 2006, 10:44 PM
AllZWay   QUOTE (roadracetransam @ Sep 8 2006, 04:2...   Sep 11 2006, 01:57 PM
John_D.   PCM will probably be on the hump, behind the dash ...   Sep 9 2006, 02:48 AM

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