Rerouting Engine bay wiring, Post Pics Please...
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Joined: Jun 2005
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From: Blue Field, WV
Car: 86 Camaro Iroc-Z
Engine: 355 TPI
Transmission: 700R4
Rerouting Engine bay wiring, Post Pics Please...
Well today i was able to set my new 350 into my car. Since i dont have a starter and the rest of the parts i need i decided to rip apart the engine bay wiring harness thingy. I figured that huge coil was wires that only had a reason being in the engine bay. but to my amazment the majority of the wires under the hood just go from one side to the other.
Who here has a clean engine bay where all the wires are neatly tucked into coreners or rerouted.
I am rerouting my fair share of wires. I have alreadystarted splitting the wires into different areas that will help out the actual part of hiding them.
but the big coil of wires in the rear that goes from one side to the other astounds me. What do all those wires do?
If you guys could help me out and post pics of neatly tucked wiring harness that would be great.
Mods: i figured this was an appearance mod so i posted it here. I search and cleaning up wiring harness wasn't very popular. CLean engine bays helped, but all i saw was shiney metal.
Who here has a clean engine bay where all the wires are neatly tucked into coreners or rerouted.
I am rerouting my fair share of wires. I have alreadystarted splitting the wires into different areas that will help out the actual part of hiding them.
but the big coil of wires in the rear that goes from one side to the other astounds me. What do all those wires do?
If you guys could help me out and post pics of neatly tucked wiring harness that would be great.
Mods: i figured this was an appearance mod so i posted it here. I search and cleaning up wiring harness wasn't very popular. CLean engine bays helped, but all i saw was shiney metal.
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From: MA
Car: 1981 Chevy Malibu, 1987 Formula 350
Engine: 229 V6, L98 TPI 350
Transmission: TH350, 700R4
Axle/Gears: 10 bolt ???, 9 bolt 3.27 posi
You using a computer? If not, that will clean up a LOT of stuff (everything coming from the pass. side can go for the most part)
I'll get pics tomorrow of my engine bay and the wiring.......
I'll get pics tomorrow of my engine bay and the wiring.......
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Joined: Sep 2000
Posts: 6,775
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From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
I chopped up every wire to my harness. The relays by the brake booster were relocated to the front (were behind the frame opening where you access the sidemarker, being moved again). The ECM harness was run through the trans tunnel and up past the dist. to hide the wiring under the plenum. Injectors turned to the inside so the plugs can't be seen. Wiper motor wiring removed from the bulkhead and run through a grommet behind the motor. Some minor wiring run through the frame rails. Even remade the cable bracket for gas/cruise so I could run the cables under the runners.
This is the only half-arsed close up pic I have of the motor (not recent)...
This is the only half-arsed close up pic I have of the motor (not recent)...
Last edited by deadbird; Jun 24, 2005 at 11:42 PM.
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Joined: Jun 2005
Posts: 292
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From: Blue Field, WV
Car: 86 Camaro Iroc-Z
Engine: 355 TPI
Transmission: 700R4
I'm still keeping the computer.
i like that engine bay pic deadbird. That'll be my inspiration. to getthat area clear of wires. I've already removed so much unneccesary crap the only thing left is really the wires. My engine bay has an engine an A/c header box with no a/c, an altenator and a powersteering pump pulley. With power brakes.
I have cut all the wires i did away with the a/c lines and stuff.
I need to just find a way to run all these wires inside the car or in other unvisible areas.
i like that engine bay pic deadbird. That'll be my inspiration. to getthat area clear of wires. I've already removed so much unneccesary crap the only thing left is really the wires. My engine bay has an engine an A/c header box with no a/c, an altenator and a powersteering pump pulley. With power brakes.
I have cut all the wires i did away with the a/c lines and stuff.
I need to just find a way to run all these wires inside the car or in other unvisible areas.
Joined: Dec 2000
Posts: 2,361
Likes: 2
From: Buffalo, NY
Car: 1984 Trans Am
Engine: LT1
Transmission: T56
Axle/Gears: 10 bolt w/ 4.10 gears
i had to do surprisingly little to clean up the appearance of the wiring on my L98. The large section of wires that were above the a/c box easily routed below the non-a/c box that i installed. The similar bulk of wires that were over the brake booster and connect to the bulkhead also fit well going under the brake booster. I removed the AIR tubes, pump, and the associated valves to clear up a lot of space on the passenger side valve cover. I also eliminated the coolant diverter that was part of the a/c system.
To reduce the wires running over the passenger valve cover, i rerouted all of the starter wires. Stock, they go from the rear of the valve cover all the way to the front, drop down behind the a/c compressor and then follow below the exhaust manifold to the starter. I shortened the wires and routed them directly to the starter from behind the head. If you do this, be sure to retain the fusible links. Here's a before and after picture of the starter wires:
To reduce the wires running over the passenger valve cover, i rerouted all of the starter wires. Stock, they go from the rear of the valve cover all the way to the front, drop down behind the a/c compressor and then follow below the exhaust manifold to the starter. I shortened the wires and routed them directly to the starter from behind the head. If you do this, be sure to retain the fusible links. Here's a before and after picture of the starter wires:
Joined: Dec 2000
Posts: 2,361
Likes: 2
From: Buffalo, NY
Car: 1984 Trans Am
Engine: LT1
Transmission: T56
Axle/Gears: 10 bolt w/ 4.10 gears
and here is after:
I did it with the engine out of the car, which made it easier to access. It can be done with the engine already installed though.
I did it with the engine out of the car, which made it easier to access. It can be done with the engine already installed though.
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Joined: Jul 2005
Posts: 57
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From: VA
Car: 1989 Firebird Formula 350
Engine: 350
Transmission: 700
For those that removed their AC...what did you do with all the unused wires? Did you cut and remove them or just hide them? There's about 6 connectors on the passenger side that don't go to anything after you remove the AC, heater, SMOG, charcoal canister, etc.
Thanks,
Thanks,
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Joined: Feb 2001
Posts: 8,494
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From: Sophia, NC
Car: 2016 Camaro SS + 1986 Z28
For those that removed their AC...what did you do with all the unused wires? Did you cut and remove them or just hide them? There's about 6 connectors on the passenger side that don't go to anything after you remove the AC, heater, SMOG, charcoal canister, etc.
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Joined: Sep 2000
Posts: 6,775
Likes: 27
From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
Thanks Sonar.. I wish I had more to show but, that is one of the only close-up pictures I have saved. There may be one or two more floating on the boards but, nothing I kept.
The bay is in a little disoder at the moment as there are some changes taking place. Even more wiring is being moved (some again even further out of sight) and some things completely removed though, still being there... doesn't make sense I know...
Next time you see some form of engine/car pic.. it might have this color in it...
The bay is in a little disoder at the moment as there are some changes taking place. Even more wiring is being moved (some again even further out of sight) and some things completely removed though, still being there... doesn't make sense I know...
Next time you see some form of engine/car pic.. it might have this color in it...
Senior Member
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From: Bonham TX
Car: 87 & 89 Iroc's
Engine: 5.0 - 5.7
Transmission: 700R's
Axle/Gears: 2.77 - 3.70
Originally posted by C. W. H.
For those that removed their AC...what did you do with all the unused wires? Did you cut and remove them or just hide them? There's about 6 connectors on the passenger side that don't go to anything after you remove the AC, heater, SMOG, charcoal canister, etc.
Thanks,
For those that removed their AC...what did you do with all the unused wires? Did you cut and remove them or just hide them? There's about 6 connectors on the passenger side that don't go to anything after you remove the AC, heater, SMOG, charcoal canister, etc.
Thanks,
Supreme Member
Joined: Oct 2001
Posts: 3,155
Likes: 2
From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
noitsnotforsale...where is the connector we need to unplug for the a/c??? (airbags too if you konw where that is...)
deadbird....do you have any more pics of your engine bay?? seems like you did a lot of work to hide all that, i cant wait until you cant see any of my wires too!
deadbird....do you have any more pics of your engine bay?? seems like you did a lot of work to hide all that, i cant wait until you cant see any of my wires too!
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Joined: Sep 2000
Posts: 6,775
Likes: 27
From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
Originally posted by CamarosRUS
deadbird....do you have any more pics of your engine bay?? seems like you did a lot of work to hide all that, i cant wait until you cant see any of my wires too!
deadbird....do you have any more pics of your engine bay?? seems like you did a lot of work to hide all that, i cant wait until you cant see any of my wires too!
One could put my ends of hiding wires close to the scale of insanity.
Even after all that b.s. to get it pretty clean.. I'm stil not happy with it and taking it a bit further. The resivoirs are being moved.. already modded the 'inner fenders'. And even more wiring is being moved... The cruise unit will fit behind the drivers ffender between the arch and the door w/o modding the cable......love of labor or sickness ? lol.. .
Most ciurrent shot... not much to look at though..
Last edited by deadbird; Oct 26, 2005 at 10:57 PM.
Joined: Apr 2004
Posts: 3,001
Likes: 62
From: Salt Lake City, Utah
Car: 1988 camaro "SS"/ 1991 305/T5
Engine: 383 LT1 in progress/LT1TBI 355 soon
Transmission: Probuilt 700R4 3600 stall/ T5
Axle/Gears: Moser axles, 3.42 Eaton Posi
i was wondering on how to do the same thing with my tbi car.i`m trying to clean up at least the top of the intake
Member
Joined: Nov 2004
Posts: 362
Likes: 0
From: Minnesota
Car: 86 Camaro IROC-Z
Engine: 305 LB9
Transmission: 700R4
Axle/Gears: 3.23
Im glad this question was asked because it was something Ive been wanting to know too. All that wiring looks intimidating and I dont know where to start. I just want to have what I need in there and hide everything nice.
Joined: Dec 2000
Posts: 2,361
Likes: 2
From: Buffalo, NY
Car: 1984 Trans Am
Engine: LT1
Transmission: T56
Axle/Gears: 10 bolt w/ 4.10 gears
Deadbird, nice job with the fenders
I think Jeff (Kandied) is doing that also. I see it becoming a very popular trend. I know I love mine, I can't imagine it being any other way because it just looks like it's the way it's supposed to be...

i still have a lot of wires to hide myself though, especially the sparkplug wires
I think Jeff (Kandied) is doing that also. I see it becoming a very popular trend. I know I love mine, I can't imagine it being any other way because it just looks like it's the way it's supposed to be... 
i still have a lot of wires to hide myself though, especially the sparkplug wires
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Joined: May 2002
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From: www.hrfbody.com
Car: www.hrfbody.com
Engine: www.hrfbody.com
deadbird,
That is some of the cleanest re-wiring I have seen ever. I spent a heck of alot of time redoing the wiring on my 94 Trans Am.
Do you have more pictures of that engine bay re-wired?
That is some of the cleanest re-wiring I have seen ever. I spent a heck of alot of time redoing the wiring on my 94 Trans Am.
Do you have more pictures of that engine bay re-wired?
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Joined: Sep 2000
Posts: 6,775
Likes: 27
From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
Thanks guys.
JNYR... that's quite clean looking. Did you put any filler on your inners to try to get them more.. uhm.. like outer body smooth ? Or just smooth, patch/high-build the work and paint. Looks quite smooth in that picture.
I don't like seeing spark plug wires either. I'm not sure why people like to show them off really but, it 's not on my car so...
I dug through some older picture cds and that seems to be the only closeup I have saved on a disc.
I did find this one though digging though search results..

The MSD box is going away to hide, coil relocated to a more out of sight place. Cruise may get mounted under the drivers fender or maybe just s---canned.. haven't decided yet. The unit (vac. diaphragm torn) work anyways. Blue hoses donated to the camaro along with the pre-cut msd wires. Plumbing & spark getting redone too.
Bunch of crap on the ' 'round to' list...
finding the extra time... yay for winter (heated garage good) !
JNYR... that's quite clean looking. Did you put any filler on your inners to try to get them more.. uhm.. like outer body smooth ? Or just smooth, patch/high-build the work and paint. Looks quite smooth in that picture.
I don't like seeing spark plug wires either. I'm not sure why people like to show them off really but, it 's not on my car so...
I dug through some older picture cds and that seems to be the only closeup I have saved on a disc.
I did find this one though digging though search results..
The MSD box is going away to hide, coil relocated to a more out of sight place. Cruise may get mounted under the drivers fender or maybe just s---canned.. haven't decided yet. The unit (vac. diaphragm torn) work anyways. Blue hoses donated to the camaro along with the pre-cut msd wires. Plumbing & spark getting redone too.
Bunch of crap on the ' 'round to' list...
finding the extra time... yay for winter (heated garage good) !
Senior Member

Joined: Mar 2002
Posts: 522
Likes: 9
From: Sunset, Utah
Engine: None
Transmission: None
C.W.H. - Well after I removed the V6 and dropped the V8 in I hid all of the passenger side wiring behind the blockoff plate and under the dash. It cleaned it up a bit.
Last edited by 89FRMLA350; Nov 1, 2005 at 03:14 AM.
Joined: Dec 2000
Posts: 2,361
Likes: 2
From: Buffalo, NY
Car: 1984 Trans Am
Engine: LT1
Transmission: T56
Axle/Gears: 10 bolt w/ 4.10 gears
Deadbird-
The smoothing of the inner fenders and paint is the only part of my car that I didn't do myself. The place that did the work cut an X over each mounting point, flattened them out, welded the seams and ground it down. They then laid fiberglass over the entire inner fender. I'm very happy with the job they did because they didn't lay it on too thick. I have a couple nit-picks about the paint, but the body work was awesome. I have several in-progress pictures that I can e-mail to you if you're interested.
The smoothing of the inner fenders and paint is the only part of my car that I didn't do myself. The place that did the work cut an X over each mounting point, flattened them out, welded the seams and ground it down. They then laid fiberglass over the entire inner fender. I'm very happy with the job they did because they didn't lay it on too thick. I have a couple nit-picks about the paint, but the body work was awesome. I have several in-progress pictures that I can e-mail to you if you're interested.
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Joined: Sep 2000
Posts: 6,775
Likes: 27
From: So.west IN
Car: 87 Formula/ 00 Xtreme
Engine: TPI 305/ v6
Transmission: struggling t-5/ 4l60E
Axle/Gears: 3.08/ 3.23
Most certainly I would be
If I could trouble you for a few more of the finished, too, that would be welcome as well. Whenever you get the free moment is fine.
I did a pretty similar process with mine (wasn't just a simple 'x' though as Im' sure yours wasn't either) for smoothing the inners. A grind of the welds and some anger management hammer and dolly work later and it wasn't too bad
After that though, I did a skim of alum filler, smooth and cold galv,. for preservation. Stopped there to continue stripping pain and try to decided how far I wanted to go with the underhood crap.
Searching didn't yeild alot of (clear) pictures as you can imagine but, I would like to get an idea of weather to make it outer body nice or look like it was stamped out, underhood 'nice'.
Always a tough call on where to stop with the 'madness' though, huh ?
If I could trouble you for a few more of the finished, too, that would be welcome as well. Whenever you get the free moment is fine. I did a pretty similar process with mine (wasn't just a simple 'x' though as Im' sure yours wasn't either) for smoothing the inners. A grind of the welds and some anger management hammer and dolly work later and it wasn't too bad
After that though, I did a skim of alum filler, smooth and cold galv,. for preservation. Stopped there to continue stripping pain and try to decided how far I wanted to go with the underhood crap.
Searching didn't yeild alot of (clear) pictures as you can imagine but, I would like to get an idea of weather to make it outer body nice or look like it was stamped out, underhood 'nice'.
Always a tough call on where to stop with the 'madness' though, huh ?
Supreme Member
Joined: Oct 2001
Posts: 3,155
Likes: 2
From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
yea i know what you mean......im getting carried away with what i want to do. i wanted to polish every part in my engine bay (ie m.c, brake booster, accessory brackets, ps pump etctect) and i wanted to smoother out every lump in the bay but i know the car would be down for years and years
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From: santa barbara,ca
Car: 1990 iroc z
Engine: LSX 376 F1A
Transmission: 4l60e
Axle/Gears: 12 bolt 3.42
how about anyone hiding there smog pump and accerious off to the inside of the engine bay, while staying smog legal.
Supreme Member
Joined: Oct 2001
Posts: 3,155
Likes: 2
From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
haha smog legal...
well the smog pump has a pulley connected to it and pretty much has to be mounted on the engine. just get rid of the unnecessary stuff (A/C, emissions) and it looks good!
well the smog pump has a pulley connected to it and pretty much has to be mounted on the engine. just get rid of the unnecessary stuff (A/C, emissions) and it looks good!
Senior Member

Joined: Mar 2002
Posts: 522
Likes: 9
From: Sunset, Utah
Engine: None
Transmission: None
Does anyone or can anyone post more pics of the TPI injector wiring being rerouted behind the runners? I didn't think you could do it due to the lack of space. I guess so. Thanks
Joined: Dec 2000
Posts: 2,361
Likes: 2
From: Buffalo, NY
Car: 1984 Trans Am
Engine: LT1
Transmission: T56
Axle/Gears: 10 bolt w/ 4.10 gears
Deadbird, I know what you mean about not knowing where to stop once you begin. And I'm sure it wasn't as easy as cutting X's, but it gives a general picture of the method used. I knew it was more than I had the ability and tools to do myself. I e-mailed you a bunch of pictures from beginning to finished product. I would definitely characterize the end result as being "outer body nice". They did a great job at making it very smooth but not piling on so much that it risks cracking easily.
If anyone is going to be doing this after reading this post- do a write up with tons of pics and detailed explanations. Its gonna have to be done a few times with the different motors. Will be a great resource!
Supreme Member
Joined: Oct 2001
Posts: 3,155
Likes: 2
From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
well TTT and an update...my motor is finally done and in. going as far as i did i certianly wanted to take care of the wiring situation.
its not 100% but will be soon. i dont want to show anyone until its complete
ive defenitly put a TON of time into this and will give details when i post some pics, i just wanted to see if anyone else has done any wiring hiding. the only wires you can see are the wires in wire loom at the back of the motor and along the firewall under the heater box...im sure all that will be gone soon enough
its not 100% but will be soon. i dont want to show anyone until its complete
ive defenitly put a TON of time into this and will give details when i post some pics, i just wanted to see if anyone else has done any wiring hiding. the only wires you can see are the wires in wire loom at the back of the motor and along the firewall under the heater box...im sure all that will be gone soon enough
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Joined: May 2005
Posts: 1,942
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From: Southern IL
Car: 88 GTA "Cocaine"
Engine: 350 tpi
Transmission: 700r4
Axle/Gears: 3.27
I just did a under the header spark plug wire kit and it cleaned up my bay to the extreame.
If you want pics let me know
If you want pics let me know
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Posts: 177
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From: Niles, Michigan
Car: 83 Firebird
Engine: 305
Transmission: 2004r
Axle/Gears: 10 bolt posi 3.08
Re: Rerouting Engine bay wiring, Post Pics Please...
those of you who have done this, all the illustrations and pics are done extremely well..
I cannot imagine the amount of hours into it all..
I cannot imagine the amount of hours into it all..
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