I need help from the wiring gods

ecbug

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After finally getting a j35a from (supposedly) 2001 honda odyssey wired and installed into the back of a 1969 baja bug I've run into 2 issues

1. I have the obd2 code p1753. Its an open circuit for a solenoid in the oem auto transmission. Im pretty sure there's nothing I can do about that.

2. The engine won't rev past about 3000 rpm.

The "trick" is to jump the TDC signal to the VSS signal to get the ecu to think the vehicle is in motion but for the life of me I cant find the pinout for my ecu

One answer that I found was to bridge C20 to D10

I dont have a D plug. I can get one or maybe pop the lid and solder if this is the right solution

To add to the confusion, I had to replace the throttle body with one from ebay.I accidentally bought

"Throttle Body LX Fits 02-04 ODYSSEY"

And the sensors fit the wiring harness without modification

The ecu has the sticker code "37820-P8F-A64" which is supposed to be an OBD2B ecu for a 2000-2001 odyssey

Here are some pictures of the ecu/plugs

Hopefully this is a quick fix, everything else has fought me tooth and nail. Thanks in advance for any guidance or help

20260503_120049.jpg20260503_115941.jpg
 
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