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Thread: Proper harness

  1. #1
    SEi User gp02a0083's Avatar
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    Proper harness

    Now here is some good work of a proper harness being made by my buddies over in NZ.
    Designed with a mil-spec plug and Raychem Spec 55 wire covered with Raychem DR25 heat shrink which is some really good stuff I use here in my electrical lab. In addition they use a little bit of Kapton tape.

    -10468097_664555746969882_2095055344306513123_n-jpg

    1989 Accord Lx-i hatchback (current DD project)
    1986 Olds Cutlass 442 clone (never ending project)
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  2. #2

    carotman's Avatar
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    Re: Proper harness

    This sure is nice!

    I wish I could convert my car harness with something like this

  3. #3
    SEi User gp02a0083's Avatar
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    Re: Proper harness

    I do a lot of electrical stuff all day, doesn't look hard at all to do like this as long as you have the connectors, wire diagram, and materials. So who wants to send me their harness

    1989 Accord Lx-i hatchback (current DD project)
    1986 Olds Cutlass 442 clone (never ending project)
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  4. #4

    Dr_Snooz's Avatar
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    Re: Proper harness

    If you made a MT subharness for us MT swap guys, that would be awesome. Unfortunately, I don't have one and have no idea what one looks like. I keep meaning to go to the junkyard and keep tearing a car apart until I find it but haven't yet.

    You know, it's a project. It's on the list.
    Dr_Snooz

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 220k miles, MT swap, rear disc swap

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  5. #5
    SEi User gp02a0083's Avatar
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    Re: Proper harness

    I wouldn't mind making wire harnesses , just gotta provide the original harness for the first one made and the connectors. I can take care of the rest

    1989 Accord Lx-i hatchback (current DD project)
    1986 Olds Cutlass 442 clone (never ending project)
    3Geez resident body man
    Owner of Wreck-less auto body

  6. #6
    3Geez Veteran ghettogeddy's Avatar
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    Re: Proper harness

    I need a harness for Obd1 b series. What would ya need For that?

    Sent from my SM-N900T using Tapatalk

  7. #7

    89T's Avatar
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    Re: Proper harness

    you can send me one too.
    un-motivated!
    someone make me an offer i just could not say no to.

    3GR

  8. #8
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    Re: Proper harness

    hmmmmmmmmmmmm

    Quote Originally Posted by CAH View Post
    pullin up turbo spoolin fast lookin fly like a 3g like a 3g like a 3g

  9. #9
    3Geez Veteran lostforawhile's Avatar
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    Re: Proper harness

    Quote Originally Posted by Dr_Snooz View Post
    If you made a MT subharness for us MT swap guys, that would be awesome. Unfortunately, I don't have one and have no idea what one looks like. I keep meaning to go to the junkyard and keep tearing a car apart until I find it but haven't yet.

    You know, it's a project. It's on the list.
    there is a jumper that goes in the harness that bypasses where the neutral safety switch would plug in, it's not so much of a sub harness on the manual cars, as the lack of the sub harness that would have gone to the auto shifter. It's in the electrical troubleshooting manual, it will show where the jumper plugs in

  10. #10

    Dr_Snooz's Avatar
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    Re: Proper harness

    Quote Originally Posted by lostforawhile View Post
    there is a jumper that goes in the harness that bypasses where the neutral safety switch would plug in, it's not so much of a sub harness on the manual cars, as the lack of the sub harness that would have gone to the auto shifter. It's in the electrical troubleshooting manual, it will show where the jumper plugs in
    Thank you! I did check the ETM and see the diagram. I'll have to dig into one of these days and see what's what.
    Dr_Snooz

    "I like to take hammers, and just break stuff, just break stuff." - Beavis


    1989 Honda Accord LX-i Coupe, 220k miles, MT swap, rear disc swap

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  11. #11
    SEi User gp02a0083's Avatar
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    Re: Proper harness

    Quote Originally Posted by ghettogeddy View Post
    I need a harness for Obd1 b series. What would ya need For that?

    Sent from my SM-N900T using Tapatalk
    Like i mentioned before, just gotta provide the original harness (if possible to ensure proper fitment), wire diagram for the first one made, and the connectors. I can take care of the rest. Once one is built the others would be easy
    Last edited by gp02a0083; 08-01-2014 at 10:28 PM.

    1989 Accord Lx-i hatchback (current DD project)
    1986 Olds Cutlass 442 clone (never ending project)
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  12. #12
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    Re: Proper harness

    Quote Originally Posted by gp02a0083 View Post
    Like i mentioned before, just gotta provide the original harness (if possible to ensure proper fitment), wire diagram for the first one made, and the connectors. I can take care of the rest. Once one is built the others would be easy
    Hi gp02a0083 .... I am rebuilding my 85 Accord ....original engine died with 340K on it so it would be smart to install a new engine wiring harness. Here's a picture ... I'll send it to you with the wiring diagrams .... How much would you charge $ More detailed pics if you want them
    Cell 678 492 1924
    John
    Attached Thumbnails Attached Thumbnails -photo-jpg  

  13. #13
    LXi User obd0driver's Avatar
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    I'm already making a jig something like this for mine.



    I posted about this month's ago and it sounded like no one was interested. I was thinking milli spec to the fire wall then to the obd1 jumper (Victor is making for us) to the ecu. I think the jumper post is a sticky here.

    Here's what I've gotten done.
    Just need to pin it to a board, wire and plugs.







    Last edited by obd0driver; 08-30-2014 at 03:52 PM.

  14. #14
    3Geez Veteran MessyHonda's Avatar
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    Re: Proper harness

    Quote Originally Posted by ghettogeddy View Post
    I need a harness for Obd1 b series. What would ya need For that?

    Sent from my SM-N900T using Tapatalk

    Rywire MiliSpec harness is the same one. i called them 3 weeks ago and they said they could make one for our cars. but now that you have a 94 teg they will be able to just plug in. but they are like 600 bucks just for the harness and more if you want to make it custom.

    1989 Honda Accord LX-i
    B18c1 swap since 7/2011
    175whp and 132tq
    Redzone tuned

  15. #15
    3Geez Veteran lostforawhile's Avatar
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    Re: Proper harness

    Quote Originally Posted by obd0driver View Post
    I'm already making a jig something like this for mine.



    I posted about this month's ago and it sounded like no one was interested. I was thinking milli spec to the fire wall then to the obd1 jumper (Victor is making for us) to the ecu. I think the jumper post is a sticky here.

    Here's what I've gotten done.
    Just need to pin it to a board, wire and plugs.







    this is exactly how we build the airplane harnesses at work, big piece of wood marked with all the wires, connection points, and some plugs to plug into. it's worked well since the 60's

  16. #16
    LXi User obd0driver's Avatar
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    Re: Proper harness

    That's where I got the idea from sir

  17. #17
    3Geez Veteran ghettogeddy's Avatar
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    Re: Proper harness

    Quote Originally Posted by MessyHonda View Post
    Rywire MiliSpec harness is the same one. i called them 3 weeks ago and they said they could make one for our cars. but now that you have a 94 teg they will be able to just plug in. but they are like 600 bucks just for the harness and more if you want to make it custom.
    ya no more accord so the b20 will just slide right into my teg. gonna do a small pnp and some cames. and do a basic rebuild and call it a day.

    Sent from my SM-N900T using Tapatalk

  18. #18
    SEi User gp02a0083's Avatar
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    Re: Proper harness

    Quote Originally Posted by MessyHonda View Post
    Rywire MiliSpec harness is the same one. i called them 3 weeks ago and they said they could make one for our cars. but now that you have a 94 teg they will be able to just plug in. but they are like 600 bucks just for the harness and more if you want to make it custom.
    not really surprised at the price. WELL made harnesses are worth the cost IMO when the proper materials and craftsmanship is put in. I'm waiting for my materials to arrive in a week or so so i can make really nice harnesses like in the OP.

    1989 Accord Lx-i hatchback (current DD project)
    1986 Olds Cutlass 442 clone (never ending project)
    3Geez resident body man
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  19. #19
    3Geez Veteran MessyHonda's Avatar
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    Re: Proper harness

    Quote Originally Posted by gp02a0083 View Post
    not really surprised at the price. WELL made harnesses are worth the cost IMO when the proper materials and craftsmanship is put in. I'm waiting for my materials to arrive in a week or so so i can make really nice harnesses like in the OP.
    yeah I'm saving my money for one of the Rywire harness. I'm going to go with the budget harness but its still starts at 399.

    1989 Honda Accord LX-i
    B18c1 swap since 7/2011
    175whp and 132tq
    Redzone tuned

  20. #20
    SEi User gp02a0083's Avatar
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    Re: Proper harness

    I could do that for less if i had measurements and a layout. The cost here really isn't in the labor, but rather its in the quality of the materials used. GOOD mil spec plugs will run around $30 or so alone. I use plenty of them at work and I switched my electrical department over to better connectors, the low end ones tend to eventually leak and the center guts become loose. Kapton tape is relatively inexpensive and works very well over a wide range of temperature and has excellent insulating properties.

    1989 Accord Lx-i hatchback (current DD project)
    1986 Olds Cutlass 442 clone (never ending project)
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  21. #21
    LXi User obd0driver's Avatar
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    Re: Proper harness

    So I just got my jumper harness back so now I want really get to work make a jig and start working on everything. I have come to the conclusion that the best thing to do seeing that you're add wires and get rid of some would be to Start fresh and make a mil-spec harness would be the best way to go in the long run. I would all make it pull and play. It's gonna take some time but I'll keep you guys posted

  22. #22
    LX User rushell's Avatar
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    Re: Proper harness

    could u make a harness to swap a b18 from 1993 teg into a 1989 lxi

  23. #23
    SEi User gp02a0083's Avatar
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    Re: Proper harness

    Quote Originally Posted by rushell View Post
    could u make a harness to swap a b18 from 1993 teg into a 1989 lxi
    possible if connectors are supplied, i'd have to look up the pin out for the ecu intended for use and the accord's

    1989 Accord Lx-i hatchback (current DD project)
    1986 Olds Cutlass 442 clone (never ending project)
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  24. #24
    LXi User obd0driver's Avatar
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    Re: Proper harness

    I got a guy looking in to getting all new connectors and wire right now.

  25. #25
    LX User rushell's Avatar
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    Re: Proper harness

    thanks im gonna order the motor mounts iin november and i want the harness as well so i can do my swap let me know how much
    Last edited by rushell; 10-08-2014 at 12:26 PM.

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