Honda Civic / Del Sol (1992 - 2000) EG/EH/EJ/EK/EM1 Discussion

eg OBD1 connector pinout help

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Old Jul 13, 2024 | 09:44 PM
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Default eg OBD1 connector pinout help

Fellows i am struggling to get hold of the pinout details of the connectors as circled below. Appreciate your help

Left tower connector C101 C102 C103
Right tower connector C124 and C126





Last edited by zeegee84; Jul 15, 2024 at 01:03 AM.
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Old Jul 13, 2024 | 11:55 PM
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Default Re: eg OBD1 connector pinout help

You cannot use an OBD-1 engine harness on an OBD-2 chassis.
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Old Jul 15, 2024 | 01:02 AM
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Default Re: eg OBD1 connector pinout help

Its possible if i can only get pintout i can match to the existing wiring using opposite end plugs
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Old Jul 15, 2024 | 04:16 AM
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Default Re: eg OBD1 connector pinout help

Originally Posted by zeegee84
Its possible if i can only get pintout i can match to the existing wiring using opposite end plugs
it's much less work to get the OBD2 harness to work with the OBD1 engine.

pick up something like this from eBay. it has everything you need and more. There is a supplemental manual for electrical troubleshooting if you can find one of those too. also if you can find a similar deal on the '00 model year FSM it would be well worth the money to pick up both.

There's too much info in there to piece-meal it out to you over the internet. better to just have the hard copies on your shelf.
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Old Jul 15, 2024 | 07:39 PM
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Default Re: eg OBD1 connector pinout help

Originally Posted by zeegee84
Its possible if i can only get pintout i can match to the existing wiring using opposite end plugs
ANYTHING is possible... but this is really the hard way to do this. Why do you want to make this difficult ?
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Old Jul 15, 2024 | 09:39 PM
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Default Re: eg OBD1 connector pinout help

I have the Raynes service manual and oem service manual both , but they are not serving any purpose to find the pinout details for connectors i need.
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Old Jul 16, 2024 | 08:10 PM
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Default Re: eg OBD1 connector pinout help

Originally Posted by zeegee84
I have the Raynes service manual and oem service manual both , but they are not serving any purpose to find the pinout details for connectors i need.
Right... the information that you seek is NOT in the FSM. If you can find an ETM, it may be in there. Now you see why I suggested an alternate solution. What you are searching for is very difficult to find... and any information that you do find online may be suspect in accuracy.
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Old Jul 18, 2024 | 10:47 PM
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Default Re: eg OBD1 connector pinout help

Found my answer finally

https://honda-tech.com/forums/honda-...3347232/page2/
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