4-wire sensor

Matt Sale mds at mot.delcoelect.com
Fri May 23 19:39:57 GMT 1997


> 
> Matt Sale wrote:
> 
> > OK, so I picked up a 4-wire O2 sensor ($42 @ Western Auto) yesterday.
> > Now, does anyone know which wire does what?  I assume the two white
> > wires are grounds, one for the sensor and one for the heater.  Then
> > there is a black wire and a grey wire, so which is the sensor?
> 
> In looking through a Mitchell's EFI book, it looks like the two whites 
> are the heater wires (no polarity).  The grey is the O2 sensor low side, 
> and the black is the O2 sensor high side.

So much for my guessing ability, thanks much.

> > Anybody know where to find the connector for this beast, or do I
> > just need to cut one off a wreck?
> 
> The local auto parts dealer here has a nice display of weather-pak style 
> connectors.  You might try your local auto parts dealer.  You could 
> always just solder it in.

My favorite shop closed last year, have to find another good one.
Western Auto and Autozone don't count.

If all else fails I'll amputate the connector & start over.

> 
> Scot Sealander   Sealand at clarityconnect.com
> 


-- 
Matt msale at iquest.net   http://www.iquest.net/~msale



More information about the Diy_efi mailing list