Git-y-up Posted April 14, 2012 Share Posted April 14, 2012 I am currently wiring up a innovate Motorsport wide band kit. It suggest you take power from a ignition switched power source, the system also draws 5amps and should also be fused for such a load. I have a 1975 280z with stock wiring harness. Where would be the best circuit to tap off of for power and where can i find it under the dash? Thank you. Quote Link to comment Share on other sites More sharing options...
kiwi303 Posted April 14, 2012 Share Posted April 14, 2012 I'd put a relay in line to the "On" wire from the ignition, then the other side of the relay a line from the battery with a 5A fuse. You'd have clean power from the battery without putting a new draw on the old stock harness. I'd choose the "on" position wire over the "Acc" position wire since you only need the wideband when the engine is on. Quote Link to comment Share on other sites More sharing options...
Git-y-up Posted April 14, 2012 Author Share Posted April 14, 2012 Thanks mate. Great reply. Ill go pick up a relay and Try and hide it in the steering column. Quote Link to comment Share on other sites More sharing options...
ttodhunter Posted April 14, 2012 Share Posted April 14, 2012 Where/how are you mounting the 02 sensor? I've been planning on doing this as well... Quote Link to comment Share on other sites More sharing options...
Git-y-up Posted April 14, 2012 Author Share Posted April 14, 2012 I had the bung welded to my exhaust pipe right after the collector in a vertical orientation. O2 sensors read better and are protected by moisture when installed in this way. I'm gonna do a write up on this. Ill link it from here once I'm done the install. Quote Link to comment Share on other sites More sharing options...
ttodhunter Posted April 14, 2012 Share Posted April 14, 2012 Awesome. I'll keep my eyes out for it. Quote Link to comment Share on other sites More sharing options...
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