When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
If that harness is from a 99-00 Si, then yes I would start with that. You may have to extend some sensor wires, and you will need to add the Secondaries/IABs, all the way from the sensor to the ecu.
-PHiZ