AEM Main Harness for 30-0311 X-Series OBD2 Gauge
Plug it in and go. The AEM 30-3458 harness connects your X-Series OBDII gauge (part #30-0311) straight to your car’s OBD2 port—no guesswork, no hassle. It’s clean, quick, and built to replace a damaged or missing harness without the headache.
Vehicle fitment
Our vehicle fitment data should only be taken as a recommendation. It may not be 100% correct. Please double check with the manufacturer to be 100% sure for fitment.