Saves you about 2 hrs worth of painful wiring and looks super clean. It follows asynchronous serial communication protocol, this pin is the K line. not ⦠Anyone know where I can get a copy of the wiring diagram for an JDM H22? Hope that helps. This is a coil on plug wire harness only. Next up we'll be looking at the OBD2 distributor and wiring diagram in our How To Convert OBD2 to OBD1 walkthrough guide. CAN NOT USE EXTERNAL COIL. (Not the GXL wire like most companies). I used a Fiero V6 wiring harness, and spliced in the DIS setup from a 3100 SFI V6. take the obd1 plugs and match up all the wiring colors. 1) If you put an OBD1 ECU into an OBD2 vehicle though, you have some more work to do before you can activate the IABs via the ECU: 2) Find the 2 wire ⦠Thereâs several points with this type of swap that need to be taken into account but the easiest route is reusing the existing OBD1 wire harness/ecu/and all ignition parts on the JDM OBD2 engine being swapped in. On the OBD2 engines, the TDC and CKP sensors are located at the front of the engine behind the harmonic balancer. ISO 9141 â K Line. Then, we customize a harness to fit your exact needs. you can take the obd1 plugs from the obd1 distributor. Here's some OBD1 distributor wiring information from a ⦠7. All of the wires should match up with the wires that come directly out of the the dizzy housing and go to euc pins provided above. I have a OBD0 chassis, going to OBD1, DPFI to MPFI swap with a D16y8 head which means a obd2 distributor. Rywire obd2 to obd1 distributor swap honda prelude - YouTube Luckily I have 2, OBD2 ecu's and 1, OBD1 distributor. Will they both have the same wire colours etc?? OBD2 . CAR MODEL. Will they both have the same wire colours etc?? This wire serves the same purpose on both the OBD0 and OBD1 cars. The DIS has two white wires, instead of one. Would be much appreciated. Trying to match a obd2 distributer to a obd1 harness. Our H (H22/H23) or F (F20B/Accord) Series Mil-spec tucked engine wire harness is cross-compatible with both engine types. V. Vexamus Member. cut them off and thecut off the obd2 plug from the distributor. This is because the OBD2B vehicle's gauge cluster gets the tach signal directly from the OBD2B ECU instead of the distributor. It may not display this or other websites correctly. If your wires are colored Dark Blue White Green Red Yellow Black Yellow/Green Black/Yellow Blue Then it is an OBD2 distributor. ISO 9141 â L Line In order to do this you will need the engine harness side of the plugs for reference since the wire. Distributor Wired and ready. Will recommend to others needing to use OBD1 ECU with OBD2 Wire Harness. It has a chipped obd1 p72 ecu in it. The other smaller white wire will be shielded and is the CYPG. Distributor -> OBD2A LS. Home > > Tech Library > Honda Distributor Wire Colors OBD0, OBD1, OBD2. OBD2 10-pin Distributor Style Engines include: * All 1996-01 B-Series engines * 1996-1998 Honda Civic D ⦠Harness has outputs included: Tachometer, Check Engine Light, and OBD2 Diagnostics Port. Press the space key then arrow keys to make a selection. Choosing a selection results in a full page refresh. This white wire is the O2 sensor wire itselfâ¦on the OBD0 engine harness, it is a single wire and has a rather large plug on it. It's just JDM base H22A, right? This wire will be found on the distributor connector side of the harness, but with no corresponding blue wire on the engine harness side. The most difficult part of this project was the wiring change from an OBDII Accord to an OBDI H22a. Our kit has been successfully installed in Honda/Acura's ranging from years 1988-2001 Running OBD1 Ecu's like Honda Civic, Acura Integra, Honda Accord and Honda Prelude. Confirmed applications that this is needed on: Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device. You are using an out of date browser. Made with quality OE style plugs, this jumper harness will allow your OBD0 Honda to accept an OBD1 or OBD2 distributor. You have an OBD2 USDM prelude with an external coil & you want to use an obd1 h22 distributor. What Distributer do you have? When installing an OBD2A ECU with an OBD2B to OBD2A jumper harness or OBD1 ECU with an OBD2B to OBD1 jumper harness into a 2000-2001 Integra or 99-00 Civic, the tachometer will no longer operate as the OBD2a and OBD1 ECU's do not output a tach signal to the gauge cluster tachometer.To correct this, you will need to run a wire from the blue tachometer wire at the distributor to the gauge cluster tach wire (found on the driver's side shock tower connector) so that it "functions" like an OBD2A or OBD1 vehicle.Instructions: Use a length of TXL or other automotive grade wire (preferably blue) and connect the blue wire at the distributor to the blue wire at the driver's side shock tower. Anyone know where I can get a copy of the wiring diagram for an JDM H22? Well last night, I created a hybrid distributor. We also offer extended length harnesses for cars with a wire ⦠The simplest method in these ECUs which mimics the OBD1 GSR (P72) and H22 (P13) ECUs is to send GROUND from the ECU. ISO15765-4 CAN Low. 8. Locate the blue wire from your distibutor. I'm a happy customer. It's just JDM base H22A, right? I have the diagram for a regular H22. Jumper is included to convert external to internal coil conversion. OBD2 B/D-series alternators on the other hand use a 4-wire  rounded square plug and are compatible with OBD2 vehicles but are not backwards compatible to OBD0/1 wiring. 90 civic hb Dx DPFI to MPFI Ecu wiring issues, *HELP* EG replacing D15B4 carby with K20Z1 wiring. OBD1 . You will need to color match all the wires. IE Orange > Orange > Dark Blue. This OBD0 to OBD1 Distributor Jumper Harness will make your next motor swap pain free! This step is ⦠OBD0 to OBD2 8-Pin Distributor Adapter. yeah, pretty much. Works with ALL B-Series (B16, B17, B18, B20), D-Series (D15, D16, D17), H-Series (H22,H23) and F-Series (F20,F22,F23) engines running OBD1 ecu. This chart will ⦠For a better experience, please enable JavaScript in your browser before proceeding. the difference between an obd1 and obd2 distributor is that instead of two plugs, they put it into one plug. It follows 2-wire CAN protocol at 1Mbps speed. The final wire is the white one. Switch the two outer wires with each other (green wire with a white stripe, and the green wire with the yellow stripe). Made only with highest quality copper strand TXL Automotive Wire. OBD0 and OBD1 B/D-series engines and wiring use the same 4-wire round alternator plug, so they are compatible with each other ie. 99 I kept all the sensors In the OBD1 dizzy(TDC, CYP, CKP). This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. This impression (Obd2 96-97 Honda Accord To Jdm Obd1 H22A Dohc Vtec Engine ⦠Thanks in advance Regards Lyle This will convert a OBD1 Distributor plug set to match a OBD2 10-pin style Distributor. (40) ... "OBD1 Eg with an OBD2 H22" - by Jade ... ENGINE HARNESS 10 PIN OBD2 TO OBD1 DISTRIBUTOR JUMPER SWAP DIZZY FITS HONDA by Hoypeyfiy Currently unavailable. A few months later picked up another ek hatch with a obd2 h22 in it. This plug must be cut off and the white wire for the OBD1 plug soldered on. To correct this, you will need to run a wire from the blue tachometer wire at the distributor to the gauge cluster tach wire (found on the driver's side shock tower connector) so that it "functions" like an OBD2A or OBD1 vehicle. Feel free to call anytime- (989) 720-SWAP (7927). As you can see, only 1 wire changes colors between factory obd0 and obd1. okay so this last jdm swap i did for euddys was an obd2 lude w/ obd1 jdm h22 motor. It was almost a direct wire-for-wire swap (even the wire colors were the same), with one exception. This harness uses Mil-Spec Teflon coated wire with a maximum heat rating of 200°C . Both had the jumper harnesses for the obd2 to obd1 conversion but the harness had been cut up badly and i am throwing all kinds of engine codes. OBD2 USDM Prelude to OBD2 8-pin Distributor Adapter May 11, 2003 #2 yeah, pretty much. Reply. not the Type S, or Euro R? ----- OBD1 . JavaScript is disabled. plug nâ play. Does anyone have the wiring conversion table ? Distributor rewiring. RED WOLF Car OBD2A To OBD1 ECU Jumper Conversion Harness Adapter For 1996-1999 Honda Acura Integra, 1996-1998 Civic, 1996-1997 Accord 4.3 out of 5 stars 40 $17.99 $ 17 . and if your using the obd2 engine wiring harness, do the opposite. There will be a blue wire at this connector coming from the chassis harness, but no corresponding blue wire on the engine harness side of the connector.