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Old 04-03-2011, 07:17 PM   #1
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Wiring diagrams

Hi everyone. Maybe i just haven't found them but it seems that we don't have a very good library of wiring diagrams here on TGO. I for one would like to remedy that. I have the Electrical Diagnosis Suppliment for my 87 Camaro and would gladly scan the entire thing and upload so that it could be added to the tech articles for referrence by all members. If those who have the Helms manual for their cars of other years would be willing to do the same, we would soon have a complete library of wiring diagrams. I'm constantly referring members to wiring diagrams as part of assisting them with diagnosis of trouble on their cars. Having access to factory diagrams right here on TGO would be a great help. If the moderator could chime in on this. Is there any reason this couldn't be done?

Thanks for your consideration,

Mark
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87 IROC Z28, 355 TPI, 10.2:1, 6" rods, balanced, clearanced, TFS G2 heads fully ported, ZZX Cam, ported Superram base, large tube runners, 1 3/4 pri coated stainless short tube, 58mmTB on ported plenum, ram air, high flow air lid, 24lb bosch @ 70 psi, ACCEL DFI, MSD D6, funct hood louvers, etc. SSM SFCs, Hotchkis rear links& strt twr brace, Eibach Sportline, Koni Red S&S, PST bushings, Ed's 13" w/WW 4 piston calipers in front, LS1s in back. GTA seats, MOMO wheel, B&M Megashifter
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Old 04-04-2011, 11:19 AM   #2
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Re: Wiring diagrams

This site has a REALLY good list of diagrams. The diagrams are for 90-92 cars, but most of the older stuff is similar enough to get someone started
http://www.austinthirdgen.org/index.php?pid=19

If someone will host the diagrams, Ill upload all 82-92 from AllData and my 92 service manual
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Old 04-04-2011, 01:24 PM   #3
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Re: Wiring diagrams

Hey Pocket, Thanks for your response. Yeah, I have that link saved for quick referrence but it sucks having to go to another forum to get diagrams. Plus, the diagrams there are more on the level of Mitchell's, not like those in the Factory Electrical diag manual. Im going to look into scanning my book today. It would be great if you could do the same. Alldata would be cool too.
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87 IROC Z28, 355 TPI, 10.2:1, 6" rods, balanced, clearanced, TFS G2 heads fully ported, ZZX Cam, ported Superram base, large tube runners, 1 3/4 pri coated stainless short tube, 58mmTB on ported plenum, ram air, high flow air lid, 24lb bosch @ 70 psi, ACCEL DFI, MSD D6, funct hood louvers, etc. SSM SFCs, Hotchkis rear links& strt twr brace, Eibach Sportline, Koni Red S&S, PST bushings, Ed's 13" w/WW 4 piston calipers in front, LS1s in back. GTA seats, MOMO wheel, B&M Megashifter
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Old 04-04-2011, 03:04 PM   #4
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Re: Wiring diagrams

Theres a bunch of service manual scans at the bottom of the page. Haynes junky diagrams up top
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Old 04-04-2011, 08:17 PM   #5
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Re: Wiring diagrams

I've noticed that, at least for the extra 1992 particular diagrams at the bottom of that link, that they ARE the Alldata diags - over the years I've checked both (when something didn't make sense and I thought Alldata might sow it different) - but always they are the same.
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Hedmann Headers Hi-Flo Cat/Aerochamber Muffler
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Old 04-04-2011, 10:43 PM   #6
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Re: Wiring diagrams

Quote:
Originally Posted by camaronewbie View Post
I've noticed that, at least for the extra 1992 particular diagrams at the bottom of that link, that they ARE the Alldata diags - over the years I've checked both (when something didn't make sense and I thought Alldata might sow it different) - but always they are the same.
I noticed this when I looked today. Their 90-92 diags are much better than the earlier stuff. I haven't worked with All-Data for a while. I do remember their diagrams being better than Mitchell's. Mitchell is pretty good on newer stuff but their diags for most third gens aren't much better than pencil drawings. The Helm's Electrical diagnosis supplement has excellent detailed color diagrams for each system, showing all splices and locations.
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Old 04-05-2011, 08:45 PM   #7
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Re: Wiring diagrams

Here is the first diagram from my factory electrical diagnosis manual. I hope it turns out well. I thought it scanned well. If it turns out, I'll do more tomorrow.
Attached Files
File Type: pdf IMG.pdf (925.9 KB, 210 views)
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87 IROC Z28, 355 TPI, 10.2:1, 6" rods, balanced, clearanced, TFS G2 heads fully ported, ZZX Cam, ported Superram base, large tube runners, 1 3/4 pri coated stainless short tube, 58mmTB on ported plenum, ram air, high flow air lid, 24lb bosch @ 70 psi, ACCEL DFI, MSD D6, funct hood louvers, etc. SSM SFCs, Hotchkis rear links& strt twr brace, Eibach Sportline, Koni Red S&S, PST bushings, Ed's 13" w/WW 4 piston calipers in front, LS1s in back. GTA seats, MOMO wheel, B&M Megashifter
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Old 04-05-2011, 08:55 PM   #8
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Re: Wiring diagrams

wow thats a good picture. now if you have them for the 1992 camaro it would be perfect for me and others. if you can get a bunch of diagrams hopefully they would make it a sticky.
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Old 04-05-2011, 09:19 PM   #9
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Re: Wiring diagrams

Here are two more power distribution diags for 87.
Attached Files
File Type: pdf PDvinF, 8.pdf (977.0 KB, 79 views)
File Type: pdf PDvinG,H.pdf (995.8 KB, 54 views)
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Old 04-05-2011, 09:23 PM   #10
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Re: Wiring diagrams

I have 87 covered. Over the next few weeks, I'll upload this entire book if I can. I hope others will jump on board with diagrams for other years. Wouldn't it be great to have this quality diagram for every system on 82-92, right here on thirdgen.org
Just ran into one diagram that's too big to download via attachment. Anyone know how I should up load this diagram?

Edit: I have the three remaining power distribution diagrams for 87 ready to upload but they are all too big to be attachments. HELP?
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87 IROC Z28, 355 TPI, 10.2:1, 6" rods, balanced, clearanced, TFS G2 heads fully ported, ZZX Cam, ported Superram base, large tube runners, 1 3/4 pri coated stainless short tube, 58mmTB on ported plenum, ram air, high flow air lid, 24lb bosch @ 70 psi, ACCEL DFI, MSD D6, funct hood louvers, etc. SSM SFCs, Hotchkis rear links& strt twr brace, Eibach Sportline, Koni Red S&S, PST bushings, Ed's 13" w/WW 4 piston calipers in front, LS1s in back. GTA seats, MOMO wheel, B&M Megashifter

Last edited by ASE doc; 04-05-2011 at 09:27 PM.
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Old 04-07-2011, 12:23 PM   #11
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Re: Wiring diagrams

I'm not getting any response here. Does anyone have advice on how to upload wiring diagrams that are too big to load as attachments?
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87 IROC Z28, 355 TPI, 10.2:1, 6" rods, balanced, clearanced, TFS G2 heads fully ported, ZZX Cam, ported Superram base, large tube runners, 1 3/4 pri coated stainless short tube, 58mmTB on ported plenum, ram air, high flow air lid, 24lb bosch @ 70 psi, ACCEL DFI, MSD D6, funct hood louvers, etc. SSM SFCs, Hotchkis rear links& strt twr brace, Eibach Sportline, Koni Red S&S, PST bushings, Ed's 13" w/WW 4 piston calipers in front, LS1s in back. GTA seats, MOMO wheel, B&M Megashifter
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Old 04-07-2011, 12:32 PM   #12
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Re: Wiring diagrams

How about using a photobucket page, then the large images will be "out there", and the smaller thumbs can be included "in here". As long as you never get rid of the photobucket account, it'll always be "out there" somewhere.

{sounds like I'm a little "out there" myself, huh?}
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Poly Bushings Eibach Prokit Bilstein Shocks/Struts
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Old 04-07-2011, 12:35 PM   #13
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Re: Wiring diagrams

Agreed, save them as images and upload them to a pic hosting site

Also, photobucket will close an account after a significant time of inactivity
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Old 04-07-2011, 12:57 PM   #14
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Re: Wiring diagrams

Quote:
Originally Posted by Pocket View Post
Also, photobucket will close an account after a significant time of inactivity
Didn't know that - guess I use mine enough. Is there one that won't cancel on you like that?
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Old 04-07-2011, 01:51 PM   #15
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Re: Wiring diagrams

You have to be dead in the water for quite some time, say 6 months before it becomes an issue. Then you just sign in again and the account comes back. No big deal for heavy posters but some people switch hobbies and it becomes a problem like most tech articles 3-5 years old
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Old 04-08-2011, 01:01 AM   #16
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Re: Wiring diagrams

If this turns out like I'm hoping it will, it will become a complete library of quality diagrams for 3rd gens from 82-92 and should get plenty of use. Plus it will allow those of us with books to not wear our expensive books out looking up diagrams for other people. Im committed to scanning all diags from my factory manual. I hope those with other years will do the same.
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87 IROC Z28, 355 TPI, 10.2:1, 6" rods, balanced, clearanced, TFS G2 heads fully ported, ZZX Cam, ported Superram base, large tube runners, 1 3/4 pri coated stainless short tube, 58mmTB on ported plenum, ram air, high flow air lid, 24lb bosch @ 70 psi, ACCEL DFI, MSD D6, funct hood louvers, etc. SSM SFCs, Hotchkis rear links& strt twr brace, Eibach Sportline, Koni Red S&S, PST bushings, Ed's 13" w/WW 4 piston calipers in front, LS1s in back. GTA seats, MOMO wheel, B&M Megashifter
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Old 04-08-2011, 05:33 PM   #17
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Re: Wiring diagrams

Here are all power distribution diagrams for 87 in black and white with lower resolution. What does everyone think of the legibility.
Attached Images
File Type: jpg PDvinS.jpg (570.7 KB, 63 views)
File Type: jpg PDvinF,8.jpg (607.8 KB, 37 views)
File Type: jpg PDvinG,H.jpg (594.6 KB, 33 views)
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Old 04-08-2011, 05:35 PM   #18
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Re: Wiring diagrams

Could only do 3 at a time. Here are the rest.
Attached Images
File Type: jpg PDvinG.jpg (625.6 KB, 27 views)
File Type: jpg PDvinH.jpg (611.3 KB, 24 views)
File Type: jpg PDvinS,F,8.jpg (711.2 KB, 24 views)
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Old 04-08-2011, 05:38 PM   #19
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Re: Wiring diagrams

If these meet with approval, I'll continue uploading. I think they will work fine.
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87 IROC Z28, 355 TPI, 10.2:1, 6" rods, balanced, clearanced, TFS G2 heads fully ported, ZZX Cam, ported Superram base, large tube runners, 1 3/4 pri coated stainless short tube, 58mmTB on ported plenum, ram air, high flow air lid, 24lb bosch @ 70 psi, ACCEL DFI, MSD D6, funct hood louvers, etc. SSM SFCs, Hotchkis rear links& strt twr brace, Eibach Sportline, Koni Red S&S, PST bushings, Ed's 13" w/WW 4 piston calipers in front, LS1s in back. GTA seats, MOMO wheel, B&M Megashifter
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Old 04-08-2011, 06:38 PM   #20
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Re: Wiring diagrams

Following are fuse block details for 87 Camaro.
Attached Images
File Type: jpg ACC fuse.jpg (515.4 KB, 29 views)
File Type: jpg CRK.jpg (254.3 KB, 18 views)
File Type: jpg Eng chtrl, vinF,8.jpg (304.3 KB, 13 views)
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Old 04-08-2011, 06:40 PM   #21
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Re: Wiring diagrams

More fuse details....
Attached Images
File Type: jpg Eng cntrl, vinG,H.jpg (415.7 KB, 12 views)
File Type: jpg FP, Fan.jpg (371.7 KB, 10 views)
File Type: jpg FP, inj1, inj2, vin8,F.jpg (405.6 KB, 10 views)

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Old 04-08-2011, 06:41 PM   #22
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Re: Wiring diagrams

More fuse details.....
Attached Images
File Type: jpg FP,inj2, inj1, vinS.jpg (390.2 KB, 8 views)
File Type: jpg Fuse location.jpg (498.8 KB, 14 views)
File Type: jpg Gages.jpg (594.2 KB, 20 views)

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Old 04-08-2011, 06:48 PM   #23
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Re: Wiring diagrams

More fuse details......
Attached Images
File Type: jpg Pwr Acc, Stop-Haz.jpg (359.3 KB, 12 views)
File Type: jpg Pwr wdo,htr,ac,FP,inj2.jpg (389.6 KB, 12 views)
File Type: jpg Radio, wiper.jpg (238.7 KB, 13 views)
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Old 04-08-2011, 06:49 PM   #24
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Re: Wiring diagrams

Remainder of fuse details.
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File Type: jpg Turn, BU.jpg (359.1 KB, 21 views)
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Old 04-08-2011, 08:32 PM   #25
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Re: Wiring diagrams

They are GREAT as far as legibility goes.

But - just o others know ... you have to click on the thumbnail, then you get the pic in a small JAVA-type window that you can't see too well. BUT - if you click that window, you get a full-sized new IE window with a magnifying glass zoom tool - that's when it's beautiful!

Great Job!

Before you get carried away, I'd make a list of what's already availabl;e at austinthirdgen.org - that way your not spending your time making duplicates of what we already have. Especially on the 1992 stuff - almost everything has been scanned in for 1992 by BigBadLou already - be a shame for you to waste your time duplicating.

In the end, we can link the entire compilation of your scans and BigBadLou's into one large wiring diag article. Send JT a PM and let him know what your doing, so he can get YOUR scans permanently located on the TGO servers - that way we don't have to worry about your photobucket (or whatever) account ever going dead after your gone.
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1992 25th Anniversary RS T-Top
350 Carb 10:1 Dometops Mild Cam
Hedmann Headers Hi-Flo Cat/Aerochamber Muffler
700R4 B&M Shift Kit LS1 Disc Rear w/3.42 Posi
Poly Bushings Eibach Prokit Bilstein Shocks/Struts
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Old 04-09-2011, 05:27 PM   #26
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Re: Wiring diagrams

I only have diags for 87 Camaro. They are all from the Helms Publishing Electrical Diagnosis Suppliment. It came with the Helms Factory Shop Manual. I'm relying on others to come on board with diagrams for other years. I saw what you mean about austin having much better diagrams for 90-92. I will PM JT about helping me put together a library. Thanks for your support.
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87 IROC Z28, 355 TPI, 10.2:1, 6" rods, balanced, clearanced, TFS G2 heads fully ported, ZZX Cam, ported Superram base, large tube runners, 1 3/4 pri coated stainless short tube, 58mmTB on ported plenum, ram air, high flow air lid, 24lb bosch @ 70 psi, ACCEL DFI, MSD D6, funct hood louvers, etc. SSM SFCs, Hotchkis rear links& strt twr brace, Eibach Sportline, Koni Red S&S, PST bushings, Ed's 13" w/WW 4 piston calipers in front, LS1s in back. GTA seats, MOMO wheel, B&M Megashifter
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Old 04-15-2011, 11:36 PM   #27
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Re: Wiring diagrams

Diagrams and flowchart for idle air control circuit on 87 Camaro. The same basic design is used on EFI 3rd gens and many other GM products so the flow chart will apply to all years of 3rd gens. I do not remember if wire colors changed.
Attached Images
File Type: jpg IMG_0001.jpg (570.5 KB, 21 views)
File Type: jpg IMG_0002.jpg (568.9 KB, 12 views)
File Type: jpg IMG_0003.jpg (522.0 KB, 12 views)
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Old 04-20-2011, 02:35 PM   #28
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Re: Wiring diagrams

If you guys need a perminent spot to host them I would put in a specific section for them? We already have a couple hundred wiring diagrams (Mostly EFI stuff) 600 .bin and over 200 definition files. So let me know if you want a specfic area or just post them up there in the phot gallerey.

http://www.eagle-mark.com/Forums/


Quote:
Originally Posted by ASE doc View Post
Hi everyone. Maybe i just haven't found them but it seems that we don't have a very good library of wiring diagrams here on TGO. I for one would like to remedy that. I have the Electrical Diagnosis Suppliment for my 87 Camaro and would gladly scan the entire thing and upload so that it could be added to the tech articles for referrence by all members. If those who have the Helms manual for their cars of other years would be willing to do the same, we would soon have a complete library of wiring diagrams. I'm constantly referring members to wiring diagrams as part of assisting them with diagnosis of trouble on their cars. Having access to factory diagrams right here on TGO would be a great help. If the moderator could chime in on this. Is there any reason this couldn't be done?

Thanks for your consideration,

Mark
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Originally Posted by Pocket View Post
This site has a REALLY good list of diagrams. The diagrams are for 90-92 cars, but most of the older stuff is similar enough to get someone started
http://www.austinthirdgen.org/index.php?pid=19

If someone will host the diagrams, Ill upload all 82-92 from AllData and my 92 service manual
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Old 04-21-2011, 07:52 AM   #29
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Re: Wiring diagrams

Excellent Eagle Mark, I'll get to work scanning and uploading my diagrams. As you receive them, can you put them all in one index so that they are easier to search through?
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Old 04-21-2011, 08:18 AM   #30
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Re: Wiring diagrams

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Originally Posted by ASE doc View Post
Excellent Eagle Mark, I'll get to work scanning and uploading my diagrams. As you receive them, can you put them all in one index so that they are easier to search through?
Sure. That's what I was asking? What would you like it named? I will put the floder you name in the wiring diagrams. Then you can upload them there whenever you want. Have to go through the registration process to upload. Not hard, just like any forum, have to respond to email.
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Old 04-21-2011, 08:22 AM   #31
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Re: Wiring diagrams

I would probably just call it Camaro wiring diagrams. We could then break it down by years.
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Old 04-21-2011, 08:28 AM   #32
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Re: Wiring diagrams

Done and I moved it up to first page of wiring diagrams.
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Old 04-21-2011, 10:33 AM   #33
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Re: Wiring diagrams

I may need some help up loading the diagrams to the site.
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Old 04-21-2011, 12:17 PM   #34
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Re: Wiring diagrams

You mean help or you mean you want me to do it? Help dong it is so simalar to here, me doing it email me the diagrams all you want and I will do a batch upload. eaglemarkyou@gmail.com. My email usually take 2 or 3 big files. Or you could zip them all?
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Old 04-21-2011, 12:26 PM   #35
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Re: Wiring diagrams

OK I thought I save you same time and I started downloading diagrams loaded in this thread. They are not named with information as to what they are. So me upploading them to the site would be worthless for everyone because they could not see what they are. You are going to have to do it and for each one list what it is. there is a spot for title and another spot for description so everyone will know what they are. without that everyone will have to download every file and look at it and find out what it is. That puts an overload on server and stresses out the user trying to find what they are.

If you can upload them here you can figure out how to upload them there. Just a little differant not quite as easy as the layout for uploading is more specific for phot and document uploading. In the end it will be such a great improvement and well worth your time.'

If time is your issue just do a few a day. After you upload one and see it uploads the way you want then move on to uploading a few and see if they come out tha way you want and you will become fimilar with the upload process and you will be uploading them in batches at a very easy pase.

Last edited by EagleMark; 04-21-2011 at 12:31 PM.
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Old 04-21-2011, 08:33 PM   #36
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Re: Wiring diagrams

Ill upload all I have from alldata once I get some free time
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Old 04-22-2011, 07:40 AM   #37
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Re: Wiring diagrams

Thanks Eaglemark, I di try to label the diagrams in the filenames. I realise that anyone but myself would probably have a hard time deciphering that. I am giving the diagrams titles as I upload them to DIY. I'll play with that some more today and see what I figure out. It took me some time just to get this far using TGO's server. It was months before I learned how to start a thread.
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Old 04-30-2011, 08:17 PM   #38
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Re: Wiring diagrams

HEI description and diagnosis;
Attached Images
File Type: jpg HEI desc.jpg (740.5 KB, 15 views)
File Type: jpg HEIdesc2.jpg (609.7 KB, 8 views)
File Type: jpg HEI diag.jpg (805.6 KB, 17 views)
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Old 04-30-2011, 08:19 PM   #39
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Re: Wiring diagrams

HEI diagnostic flow chart;
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File Type: jpg HEI flowchart.jpg (853.3 KB, 14 views)
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Old 04-30-2011, 08:58 PM   #40
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Re: Wiring diagrams

I think you have been doing a fine job!
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Old 05-01-2011, 01:41 AM   #41
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Re: Wiring diagrams

I'm not putting enough time into this project. I had hoped to have entire 87 diagram library online by now. I will find time next week and do several more pages. These last few pages from the "Big Book" Helm's manual on HEI operation and diagnosis would go well on DIY EFI if we don't already have them there. Once I have all of the diagrams and location lists online, I'll follow with all of the diagnostic flow charts. They are very educational, even for those with other EFI systems.

What we learn after years of working on various brands, is that they are all based on the same principles and most even follow the same basic design.
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Old 05-05-2011, 12:22 AM   #42
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Re: Wiring diagrams

I have some 82 wiring diagrams to add . I had to grayscale the scans because the highlighter I used would turn black under b&W If you can use them. here they are
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File Type: jpg 82wireing-enginecompartment.jpg (132.8 KB, 29 views)
File Type: jpg 82wireing-underdashdash.jpg (223.6 KB, 15 views)
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Old 05-05-2011, 12:25 AM   #43
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Re: Wiring diagrams

2 more
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Old 05-05-2011, 12:35 AM   #44
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Re: Wiring diagrams

I tried the upload to bucket and the upload to here method . it seems to get all pixalated .
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File Type: jpg 82wireing-fuseboxunderdash001.jpg (107.7 KB, 17 views)
File Type: jpg 82wiring-rearcompartment.jpg (100.6 KB, 9 views)
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Old 05-05-2011, 04:57 PM   #45
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Re: Wiring diagrams

Awesome Bronk! That's what this thread is for. I understand that TGO can't necessarily host a complete library copied from printed manuals. I'm still using this thread to provide information for specific requests. I am currently working to create a complete library on the EagleMark forum to which I have the link above. If you want to take the time to help us with this, feel free to post diagrams to that site. Thanks!
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Old 05-05-2011, 05:09 PM   #46
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Re: Wiring diagrams

I'll try a straight to this site upload tonight it was a little late last night when i finally got around to it. and not really happy with the results the pics get pixelated over 150 zoom. i think it's from the downsizing that the photobucket does., So I'll try again tonight.

is this the link you were taking about?eaglemarkyou@gmail.com.
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Old 05-05-2011, 05:40 PM   #47
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Re: Wiring diagrams

No. The link I was referring to is in post #28. I hadn't even seen that other link. That must be EagleMark's own e-mail.
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Old 05-05-2011, 06:43 PM   #48
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Re: Wiring diagrams

.. my bad it was the first link I ran across this is the one you meant
http://www.eagle-mark.com/Forums/
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Old 05-05-2011, 09:56 PM   #49
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Re: Wiring diagrams

That's the one. EagleMark is the administrator over there and he'll take the diagrams you upload and add them to the library.
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Old 05-05-2011, 10:16 PM   #50
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Re: Wiring diagrams

What a pain it is trying to splice a 1990 Chevy G20 engine harness with an 83 Z28 dash board harness :S I have 8 wires left to be figured out, Im sure 2 of them is for the water temp and oil pressure. There is one green wire coming from the car that has 8 volts coming from it. Could this be the old oil pressure sensor wire? I could check myself but the suns down :/
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