WB O2 sensor connection alternative

[Jim Blackwood]

One good reason is that pots tend to degrade over time if not used
regularly. I'm not sure why, maybe oxidation, maybe something else, but
it adds to the failure mechanisms count.

Jim

-----Original Message-----
From: owner-diy_efi at diy-efi.org [mailto:owner-diy_efi at diy-efi.org] On
Behalf Of David LaRoe
Sent: Tuesday, November 27, 2001 1:11 PM
To: diy_efi at diy-efi.org
Subject: Re: WB O2 sensor connection alternative


Also, why not mount a 15 turn trim pot, of the appropriate range, on the
PC board for adjustment for any sensor change? ..... Dave


----- Original Message -----
From: "Timothy J Burgess" <tjburgess at west.raytheon.com>
To: <diy_efi at diy-efi.org>
Sent: Tuesday, November 27, 2001 7:52 AM
Subject: WB O2 sensor connection alternative


> An alternative method of sensor to harness connection is to use 
> multipin automotive weather pack connectors.  Assuming that a 
> discrete, or combination of discrete, resistors is used to emulate the

> sensor calibration resistor, the original connector may be cut from 
> the sensor harness, and the sensor wires may be soldered to the 
> weather pack
connector
> pigtails.  Pep Boys has inexpensive 3 pin and 2 pin male & female 
> mating connectors with pigtails available to make the required 5 wire 
> sensor connection.  They also stock more expensive 6 pin male & female

> connectors with pigtails, if that better suits your application.
>
> Tim
>
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