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Yesterday my friend and I tried to hook up my O2 simulator from diablo auto sports. I didn't want to have lots of wires running all over the engine bay so I thought I would connect it by the ECU. The simulator came with a wiring diagram that listed the 01+ Civics. I think the second O2 sensor wire is labeled wrong though. When we connected everything and I tried to crank it the car sounded like the battery was dead. When we took the simulator off everything worked fine. I need to know if anyone else has tried to connect the simulator at the ECU, or if anyone has a wiring diagram for the ECU.

btw- I searched and all I found was where people had hooked it up in the engine bay. Any help would be appreciated.

 
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i did it thru the engine bay and it was a lot easier than directly to the ECU. Just use good solder, the wire loom, and put silicone in the hole of the O2sim. i hid it under the fuse box...

 
Rep Power: 315

ECU diagrams can be found in the thread Here!

good luck

 
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Thanks for the responses. I guess I will have to wire it through the engine bay. Thanks again.