Wiring Question..
I am in process of wiring up my stock 99 dx harness to use it for my jdm gsr. I have a ecu jumper to convert from OBD2B TO OBD1.. So I am using either a p72 or p28 usdm ecu. I was told that jdm motors don't have vtec pressure switch wired up and usdm motors do. So how do I go about wiring in the pressure switch into my jdm motor if I don't have it??? need help...
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