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Discussion Starter #1
99 Civic EX
D16Y8 Factory Engine Harness
Chipped P28 ECU
OBD2A Jumper Harness

When i plug in the P28 my fuel pump wont come on.
When i plug in the OEM ECU the fuel pump comes on and car starts.

Do i need a OBD2B jumper harness or can i use this OBD2A

I've looked around for answers before posting this thread. If it's already been answered sorry i couldn't find it.
 

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What harness did you use? Post a link if online.

look at your OEM ecu and post the serial/part number.

So we can verify you even have the actual factory ecu for your car.


take a picture of everything (factory harness plugs, adapter harness, both ecu plugin ends) or find them online and verify you ahve the correct items
 

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Tip: 96-98 civic engine harness won't work in 99-00 civic and vise versa. A lot of modding would need to be done to make it work.
 

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Discussion Starter #7
I know my car is obd2b what i want to know is if i can use this obd2a jumper harness or do i need a obd2b jumper harness
 

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I know my car is obd2b what i want to know is if i can use this obd2a jumper harness or do i need a obd2b jumper harness
The answer is in your question.
 

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Discussion Starter #9
Thank you bro i wasnt sure if my jumper harness was defective or i just need a obd2b thanks again
 

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I dont mean to sound like a dickhead, but why would you think a OBD2A and OBD2B are compatible with each other, especially harness related?
 

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BATSLOMAN GIVES NO FUCKS.
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*basks in the glory of what he has created*



I love you guys ;)
 
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