Alright guys I dont know if this is the correct section for this but here goes my question?


Can running the icm wire together inside the shielding with the crank angle sensor wires cause interferance with the crank angle signal?


Heres a little background info:


The car is and old 87 accord converted obd1. Needless to say the old accords had no crank angle sensor in the distributor so the wires for the extra sensor and icm had to be added to the engine harness. The extra wires pass through one of the oem engine harness plugs and then straight to the ecu. Nothing out of the norm.


I had no problems running this car with a p75 and it ran well for a couple of years. I swapped out to a AEM EMS and had problems holding idle with that ecu under 1600 or so rpm. Ive read this was a common problem with this ecu. I had called aem support and they told me it miht be something wrong with my harness but didnt know if the icm with the crank angle sensor wires might be causing a problem.

So yeah anyone that has experiance building engine harnesses let me know what you think.

 

I was running the AEM 30-1040 box on my 89 Accord and i didnt have any problems. If i recall i only added two wires (non-shielded) at the time and didnt have any issues. The only problem i ran into initially was the crank angle sensor wasnt reading so i ran two new wires to solve that and i recall ignition breakup because two wires had to be reversed.

But knowing how touchy the AEM is with honda ignitions i would probably be on the safe side and use seperate shielded wires. You should only need two new wires run if i recall because you have 2 old ones that were left over that went to the ECU.

 

Anyone elsehave any ideas????