Air fuel ratio wiring

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Coupe_Devil
Posts: 48
Joined: Mon May 09, 2005 7:27 am
Car: 1993 240sx Convertible

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I use to have a APC gauge that had five wires. noone could tell me what to do and by the tie i got it right, i broke it. now i got one with three wires. red black and white. now i can finally have a gauge!!! ... lol, anywho. I need to know, basically, how in the hell to install this thing.

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JNM240
Posts: 1375
Joined: Wed Jul 31, 2002 2:45 pm
Car: 90 Coupe, 90 Hatch (CA18DET)
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One is positive, one is ground, one is O2 sensor wire.
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da40
Posts: 900
Joined: Thu Mar 02, 2006 12:07 pm
Car: 1995 SE 240sx

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white wire goes to the green wire on the o2 sensor if i remember correctlly
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