Yeah. Looks like that is the generator battery control module. Assuming the connectors are the same then you may be able to just eliminate this module. Your vehicle does not have it so the PCM will not know how to use it so you need to rewire this harness to match how your vehicle is equipped. However this can be done but take for example the supplemental brake assist pump. On your vehicle this is run off the alternator. On the new harness that you have, it is run from the module. So you will need to take that wire from the module and run it it the alternator.
If you have the original harness you may need to replace the alternator connector so that you can run the wire to it. I would just cut it about 5 inches behind the connector and then solder your wires in place.
Does this make sense? Let me know what questions you have. Thanks
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Saturday, October 17th, 2020 AT 7:51 AM