The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1947 - 1959 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 07-16-2015, 12:49 AM   #1
hotrod1
56 - autocross
 
hotrod1's Avatar
 
Join Date: Apr 2010
Location: Camarillo, Ca
Posts: 1,121
Bulkhead, Grommet, Chassis harness, SOUND OFF ???

What are you guys running for wires through the firewall? Bulkhead connectors, Grommets, Chassis harness??? Where are you running the wires (eg. left firewall under inner fender well)? Painless, AAW, Etc? Pictures of the firewall penetration - Bulkhead connectors, Grommets, Chassis harness??? ?
hotrod1 is offline   Reply With Quote
Old 07-16-2015, 05:08 AM   #2
tmoble
Registered User
 
Join Date: Feb 2009
Location: Glendale, Az
Posts: 1,062
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

AAW, the best

Grommets and whatnot, wherever you can get them.
tmoble is offline   Reply With Quote
Old 07-16-2015, 01:16 PM   #3
OrrieG
Registered User
 
OrrieG's Avatar
 
Join Date: Jun 2006
Location: Idaho
Posts: 8,800
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

ez 21 circuit, search for "ez wire" in box above and previous threads on best wiring kits will show up. I mounted my fuse panel left of steering column. I ran the wiring out the fire wall into the fender panel, then to the frame. Three circuits; back, engine and front. Used one large grommet and filled with flexible butyl putty used in home applications. Seals but stays flexible.
Attached Images
  
__________________
1959 Chevy Short Fleetside w/ 74 4WD drive train (current project) OrrieG Build Thread
1964 Chevelle Malibu w/ 355-350TH (daily driver)
Helpful AD and TF Manual Site Old Car Manual Project

Last edited by OrrieG; 07-16-2015 at 01:32 PM.
OrrieG is offline   Reply With Quote
Old 07-16-2015, 04:45 PM   #4
crossfire84
Registered User
 
crossfire84's Avatar
 
Join Date: Jun 2012
Location: wind lake WI
Posts: 1,747
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

firewall grommet.http://www.summitracing.com/parts/si...-wpt/overview/

AAW highway 21 series
__________________
LIL ERV the 50-3600
396 BBC stroked to 415 cid
Richmond 6spd over drive
C4 rear
Porter built a arms
Never give the Devil a ride,because he'll want to Drive!
crossfire84 is offline   Reply With Quote
Old 07-16-2015, 06:17 PM   #5
mr48chev
Registered User
 
mr48chev's Avatar
 
Join Date: Jul 2007
Location: Toppenish, WA
Posts: 15,281
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

I think I still have the fuse block cover for my 48 that I had chromed in 1973 and the plan now is to modify the old fuse block to hold the cover while serving to hide where the wires go through the firewall. My original plan was to have a bulkhead connector behind the cover. The firewall grommets that crossfire84 showed are pretty interesting in that they could fit behind the cover. I'm not going to hide my wiring as my truck will be a ''traditional" build where having the wring exposed isn't verboten as it seems to be on a slick mod rod build. I will however bust my butt to have the wiring as neat and detailed as Orrie or the others who pay serious attention to detail have on theirs. There is no deadline on this build and hopefully there will be no cut corners this go around.
__________________
Founding member of the too many projects, too little time and money club.

My ongoing truck projects:
48 Chev 3100 that will run a 292 Six.
71 GMC 2500 that is getting a Cad 500 transplant.
77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.
mr48chev is offline   Reply With Quote
Old 07-16-2015, 07:28 PM   #6
Dan in Pasadena
Senior Member

 
Dan in Pasadena's Avatar
 
Join Date: Nov 2008
Location: Glendora, CA
Posts: 6,331
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

Quote:
Originally Posted by crossfire84 View Post
firewall grommet.http://www.summitracing.com/parts/si...-wpt/overview/

AAW highway 21 series
How about something like this:
http://m.summitracing.com/parts/aww-500666/none/images
__________________
'55 Big Window Shortbed,
Drive-It-&-Work-On-It slid down the "slippery slope" to a Frame-Off Rodstoration! LQ4/4l85e/C4 IFS/Mustang 8.8 rearend w/3.73's

Dan's '55 Big Window "Build" - Well, Kinda!
Dan in Pasadena is offline   Reply With Quote
Old 07-17-2015, 03:31 PM   #7
Sssingo
Registered User
 
Sssingo's Avatar
 
Join Date: Jun 2012
Location: London, UK
Posts: 97
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

I ended up just mounting my Ron Francis setup under the drivers seat and running wires under the floor into the chassis rails. I haven't made the holes for my pressure and temp gauges yet though so am glad you asked the question.
Sssingo is offline   Reply With Quote
Old 07-18-2015, 09:28 AM   #8
Sixshooter44
Registered User
 
Join Date: Apr 2013
Location: Chicago il
Posts: 40
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

Weather pack makes a big one that is nice. Google it
Sixshooter44 is offline   Reply With Quote
Old 07-18-2015, 10:27 AM   #9
MikeB
Senior Member
 
MikeB's Avatar
 
Join Date: Jul 2000
Location: North Texas
Posts: 3,423
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

I like to use the factory style bulkhead connectors whenever possible. Below is a 66 C10 I did using a well-engineered American Autowire Classic Update kit. In addition to the basic stuff like ignition (HEI or conventional), starter, alternator, and lights, it has wires for electric choke, water temp and oil pressure senders, and even fan controller, as I recall. And it uses 8 gauge wires to the ignition switch and for the charging circuits. Factory was 10 gauge, or maybe even 12 gauge.



__________________
Mike
1969 C10 LWB -- owned for 34 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
1982 C10 SWB -- sold
1981 C10 Silverado LWB -- sold, but wish I still had it!
1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming.
Retired as a factory automation products salesman.
Worked part-time over the years for an engine builder and a classic car repair shop.
Member here for 23 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!
MikeB is offline   Reply With Quote
Old 07-18-2015, 05:06 PM   #10
OrrieG
Registered User
 
OrrieG's Avatar
 
Join Date: Jun 2006
Location: Idaho
Posts: 8,800
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

This thread was on my mind today as I looked at the cars at a show. Lots of nice wiring, some not so good. One guy had a TF truck converted to automatic and used the old clutch hole with a grommet, low on the fire wall relatively out of site, comes out close to the frame for routing to front and back.
__________________
1959 Chevy Short Fleetside w/ 74 4WD drive train (current project) OrrieG Build Thread
1964 Chevelle Malibu w/ 355-350TH (daily driver)
Helpful AD and TF Manual Site Old Car Manual Project
OrrieG is offline   Reply With Quote
Old 07-18-2015, 05:42 PM   #11
hotrod1
56 - autocross
 
hotrod1's Avatar
 
Join Date: Apr 2010
Location: Camarillo, Ca
Posts: 1,121
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

Thanks all for the responses. More pics if we can get them.
hotrod1 is offline   Reply With Quote
Old 07-18-2015, 06:20 PM   #12
Speedbumpauto
Registered User
 
Speedbumpauto's Avatar
 
Join Date: Aug 2011
Location: Tucson, AZ
Posts: 917
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

If you're not using the vents, all of the wiring can be routed up to the dash and down to the frame on both sides by using a hole saw and cutting a hole in front of the cab mount into the cavity where the cowl vents drain. This keeps the firewall and inner fenders completely clean of wire and looms. This also necessitates using a custom solid cowl vent like in the vent thread here but it sure keeps the engine bay/firewall clean.
Attached Images
  
Speedbumpauto is offline   Reply With Quote
Old 07-19-2015, 10:15 AM   #13
Russell Ashley
Registered User
 
Russell Ashley's Avatar
 
Join Date: May 2010
Location: Lawrenceville, Ga
Posts: 2,640
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

I think I got my grommets from BowTie Bits but most all of the vendors have them. Restoration Specialties also has a good selection of rubber parts. I didn't try to hide my wiring so I used the original holes ran my wiring pretty much like it was originally. I used an EZ Wire 21 harness which I'm very satisfied with.
Russell Ashley is offline   Reply With Quote
Old 07-19-2015, 08:43 PM   #14
HUSSEY
Registered User
 
HUSSEY's Avatar
 
Join Date: May 2013
Location: Kansas City
Posts: 572
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

I like Speedbumpautos suggestion above, I think I may do it his way to avoid wiring on the firewall. I saw this at a car show a couple of seeks ago and though it looked cool. He used a boat vent.

You can find them on eBay by searching for "stainless boat vent".

__________________
My 49 AD Build / S10 Chassis -- Thread -- Pictures -- S10 Conversion Mounts
HUSSEY is offline   Reply With Quote
Old 07-20-2015, 12:17 AM   #15
OrrieG
Registered User
 
OrrieG's Avatar
 
Join Date: Jun 2006
Location: Idaho
Posts: 8,800
Re: Bulkhead, Grommet, Chassis harness, SOUND OFF ???

Hussey, that is a really great idea.
__________________
1959 Chevy Short Fleetside w/ 74 4WD drive train (current project) OrrieG Build Thread
1964 Chevelle Malibu w/ 355-350TH (daily driver)
Helpful AD and TF Manual Site Old Car Manual Project
OrrieG is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 09:26 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com