Muffleman Posted January 27, 2007 Share Posted January 27, 2007 Tinkering with the MR2 today and have fitted a few bits including an AEM wideband. The ecu is an emanage ultimate. I've wired up the wideband gauge and it's working (+ve to switched live and earth - no biggie). Just running the feed to the ecu harness, but the harness has two wires and the instructions say : White to A/F feed. Fair enough Grey to A/F earth, and it's this I'm not sure on. Do I run this to the same earthing point as the gauge ? Or connect this to the earth lead from the gauge, effectively running the earth back to the ecu ? Cheers Matt Quote Link to comment Share on other sites More sharing options...
Muffleman Posted January 27, 2007 Author Share Posted January 27, 2007 S'okay, sorted Car running Quote Link to comment Share on other sites More sharing options...
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