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OBD0-OBD1 dizzy conversion

Old 10-18-2005, 01:59 PM
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Default OBD0-OBD1 dizzy conversion

I have almost finished my ECU harness;









Check out what says on the lable:



Has anyone a scheme how to rewire an OBD1 dizzy connector to fit into an OBD0 motor harness.
Any idea?
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Old 10-18-2005, 02:50 PM
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Default Re: OBD0-OBD1 dizzy conversion

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Old 10-18-2005, 02:59 PM
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Default Re: OBD0-OBD1 dizzy conversion

First you have 7 wires to use. Left side is OBD-0, right side is obd-1/2. The colors give will be the factory Civic wire colors.


OBD-0 (ECU Pin) OBD-1 (ECU pin)

Wht (B12) ~ Blu/Yel (B16)
Org (B10) ~ Blu/Grn (B15)

Wht/Blue (C4) ~ Wht/Blu (B14)
Org/Blu (C3) ~ Org/Blu (B13)

Blu/Yel (C2) ~ Wht (B12)
Blu/Grn (C1) ~ Org (B11)

Wht(slightly larger, ignitor wire) ~ Goes to same wire on Dizzy side, the solo wire by itsellf

There are 2 white wires in the obd-0 harness. To prevent confustion, strip back the tape/loom on the harness and find the wht wire that doesn't run into a shielded cable. That white wire is your ignitor trigger.

The list I've given is the way I do things when I build obd-0 ---> obd-1 conversion harnesses. I've seen the pins swapped around in the conversion harness that allows for color to color matching at the dizzy wiring. If you get a no start condition check/trace your wires back from dizzy to the ECU and insure proper pin to sensor wiring.

*** EDIT: Nice Diagram TurboHF ***
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Old 12-22-2005, 11:21 AM
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Default Re: OBD0-OBD1 dizzy conversion

Originally Posted by Speed Phreak
First you have 7 wires to use. Left side is OBD-0, right side is obd-1/2. The colors give will be the factory Civic wire colors.


OBD-0 (ECU Pin) OBD-1 (ECU pin)

Wht (B12) ~ Blu/Yel (B16)
Org (B10) ~ Blu/Grn (B15)

Wht/Blue (C4) ~ Wht/Blu (B14)
Org/Blu (C3) ~ Org/Blu (B13)

Blu/Yel (C2) ~ Wht (B12)
Blu/Grn (C1) ~ Org (B11)

Wht(slightly larger, ignitor wire) ~ Goes to same wire on Dizzy side, the solo wire by itsellf

There are 2 white wires in the obd-0 harness. To prevent confustion, strip back the tape/loom on the harness and find the wht wire that doesn't run into a shielded cable. That white wire is your ignitor trigger.

The list I've given is the way I do things when I build obd-0 ---> obd-1 conversion harnesses. I've seen the pins swapped around in the conversion harness that allows for color to color matching at the dizzy wiring. If you get a no start condition check/trace your wires back from dizzy to the ECU and insure proper pin to sensor wiring.

*** EDIT: Nice Diagram TurboHF ***
Another confusion.

Here are wire colors that i have on my OBD1 TD60U distributor and OBD0 engine harness (=distributor):



First you have 7 wires to use. Left side is OBD-0, right side is obd-1/2. The colors give will be the factory Civic wire colors.


OBD-0 (ECU Pin) OBD-1 (ECU pin)

Wht (B12) ~ Blu/Yel (B16)
Org (B10) ~ Blu/Grn (B15)

Wht/Blue (C4) ~ Wht/Blu (B14)
Org/Blu (C3) ~ Org/Blu (B13)

Blu/Yel (C2) ~ Wht (B12)
Blu/Grn (C1) ~ Org (B11)

Wht(slightly larger, ignitor wire) ~ Goes to same wire on Dizzy side, the solo wire by itsellf
As you can see, OBD0 colors are not the same as on my picture above, cause they are taken from Si distributor with round connector with 7 wires. Pins on my picture are also numbered, so this are the same wires:





Converted list:

OBD-0 (ECU Pin) OBD-1 (ECU pin)

5 or 7 (B12) ~ Blu/Yel (B16)
3 (B10) ~ Blu/Grn (B15)

2 (C4) ~ Wht/Blu (B14)
1 (C3) ~ Org/Blu (B13)

6 (C2) ~ Wht (B12)
4 (C1) ~ Org (B11)

5 or 7 (slightly larger, ignitor wire) ~ Goes to same wire on Dizzy side, the solo wire by itsellf.
Orange=peach.

I am confused about OBD1 wire colors. Everything is OK, just one wire bothers me. As you can see, i have green/yellow wire, which can not be found on that instructions. And there is a blue/green wire, that i don't have.

And that two white wires. One on my OBD0 distributor has a red tape taped around. I am confused which one goes where.
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Old 12-30-2005, 11:42 AM
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Default Re: OBD0-OBD1 dizzy conversion

anyone, please!
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