Re: ONE WIRE O2 TO HEATED O2

["Mike (Perth, Western Australia)" <erazmus@wantree.com.au>]

At 01:35 PM 8/4/2000 -0400, you wrote:
>Yep, done that.
>New O2 has 3 wires, signal, one to power, and one to ground.  Use ohm meter
>(DVM) for finding the heater wires.  Actually there is a 4 wire version but
>the're $$.  There are different ones, but I've never been picky about which
>one (just stick with Delco/GM/AC {for a gm application}), some claim some
>are more tolerant of lead.

Just curious - is the heater on all the time or does the ECU only turn the
heater on when its at low load - such as idle and during warm up ?

Incidentally, I'd doubt any credible supplier would claim any sort
of lead resistance, the stuff is insidious and messes up lots of industrial
sensors far too easyily...

Rgds

Mike

----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo@lists.diy-efi.org