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Help with basic honda wiring and electronics

Discussion in 'ECU's, Electronics, and Tuning' started by Justus, May 2, 2012.

  1. Justus

    Justus New Member

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    I was just wondering if someone would be kind enough to maybe let ne call them and them anwser a few questions I have about Honda engines. I have read and Googled so mug I just can't understand it fully.. I feel like I need someone with a knowledge of a swap to help me. I'm looking into a swap and I would like to know everything about a swap before I did it. The thing I'm stuck on is the wiring part. Please help?
     
  2. |Chaz|

    |Chaz| Well-Known Member VIP

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    What car is the swap going into? What motor are you swapping into said car? It all varies. Gotta help us out here.
     
  3. Justus

    Justus New Member

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    Easy swap, b18c5 into 98 civic dx. What wiring need to take place?
     
  4. Dual-500

    Dual-500 Well-Known Member VIP

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    Wiring is probably the most challenging aspect of a motor swap. Depending upon the differences in the target car and donor engine. of course - some combinations require more work than others.

    I put a JDM OBD1 engine into a USDM OBD0 ride and took the wiring/ECU up to OBD1. Distributor wiring had to change, O2 sensor went from single wire to 4 wire, engine EAC/IACcontrol solonoids, and the ECU connectors.

    For me, I used schematics. Had to troubleshoot it to get it to run. I tried the "blue wire to yellow wire" from online forums and it didn't get me there. The schematics were great not only for the initial work, but for the troubleshooting. This could just be me and I'm ok with that - but, I like maps too when finding a location. I don't to well with verbal directions like "take the third right turn, drive 3 blocks past the tree stump, hang a slight left and it's on the right".

    I suggest you get a good set of wiring schematics for your car and also a set from the donor car (year and model) the engine came from.

    Schematics will allow you to ring out the harness's pin to pin from the ECU to the engine and if you go into the troubleshooting mode, that's very likely going to be necessary.

    Good luck with your project - Welcome to the HS Forums! :)
     
    Last edited: May 7, 2012
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