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OBD2b to OBD2a wiring for dizzy plug? please help

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Old 08-13-2010, 05:35 PM
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Default OBD2b to OBD2a wiring for dizzy plug? please help

Ok guys i have a ek hatch with a gsr b18c motor in it. i am running a 99-00 ek wiring harness jumped down with a jumper harness to run a p28 ecu

the problem i am running into is the dizzy plug doesnt clip in and i am wondering if someone could get me a wiring diagram or tell me how to take the obd2 dizzy plug wiring cut it and splice it up to a obd2a dizzy plug.

Also i have a ls dizzy is there anyway i can put the ls dizzy in and that will work or can i go out and buy a different dizzy that will work with the b18c motor and directly plug into the 99-00 civic harness out a 99 hatchback

the harness is a non vtec also if that helps
someone please help me

Last edited by spags930; 08-13-2010 at 06:49 PM.
Old 08-13-2010, 10:55 PM
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Default Re: OBD2b to OBD2a wiring for dizzy plug? please help

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Old 08-13-2010, 11:19 PM
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Default Re: OBD2b to OBD2a wiring for dizzy plug? please help

There are many ways to convert this. You decide

1. Check and make sure your distributor on the gsr motor isn't obd1.

2. Change the distributor for a obd2b distributor if you want a straight plug and play.

3. Splice it up however this is a diagram when converting from obd2a/b ===> obd1
http://www.phearable.net/tech/wiring...istributor.jpg


*I believe you can use the ls distributor and plug it directly if it was obd2b

This is regarding the wiring part since you have a 99-00 obd2b NON-VTEC wiring harness

http://www.phearable.net/tech/wiring/wiring.99-01_2.jpg
Old 08-14-2010, 04:22 AM
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Default Re: OBD2b to OBD2a wiring for dizzy plug? please help

There is no OEM distributor for this setup, OBD2B civics used a single small distributor plug. You can either swap the CYP/CKP/TDC sensors from your old Y7 distributor, get an adapter harness or cut and splice the plug on the engine harness for a big plug (can be taken from any '96 - '98 civic, '96 - '01 Integra or '97 - '01 CR-V.
Old 08-14-2010, 09:12 AM
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Default Re: OBD2b to OBD2a wiring for dizzy plug? please help

appreciate the help fellas. Im gonna go the cheap way and cut and splice the harness. thanks
Old 08-14-2010, 10:56 AM
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Default Re: OBD2b to OBD2a wiring for dizzy plug? please help

Originally Posted by 94EG8
There is no OEM distributor for this setup, OBD2B civics used a single small distributor plug. You can either swap the CYP/CKP/TDC sensors from your old Y7 distributor, get an adapter harness or cut and splice the plug on the engine harness for a big plug (can be taken from any '96 - '98 civic, '96 - '01 Integra or '97 - '01 CR-V.
really? So you can't use a obd2b distributor and plug it into a 99-00 civic with a non vtec obd2b wireharness? interesting.. thanks for the info. Also can't you also find the big distributor plug from a 99-00 Civic SI as well? knowing that they came with the B series b16a2 motors?
Old 08-14-2010, 11:45 AM
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Default Re: OBD2b to OBD2a wiring for dizzy plug? please help

Originally Posted by raidacaipo
really? So you can't use a obd2b distributor and plug it into a 99-00 civic with a non vtec obd2b wireharness?
'99 - '00 Civics (except the HX and Si) use a small plug distributor, so no.

Originally Posted by raidacaipo
Also can't you also find the big distributor plug from a 99-00 Civic SI as well? knowing that they came with the B series b16a2 motors?
You can, you could also get one from a '96 - '97 Del Sol too, but it seems like a complete waste to hack up an Si harness for the distributor plug, especially when you could use the whole Si harness in this case.
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