Shielding isn't necessary. The source impedance of the O2 sensor is plenty
low enough to keep any kind of EMI from affecting yer meter's reading.
--
Mike "Rocket J Squirrel" Elliott
71 Type 2: the Wonderbus
84 Westfalia: Mellow Yellow ("The Electrical Banana")
74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
KG6RCR

On 5/21/2008 4:39 PM Todd Last wrote:

> I've done what Mike has written and no ill effects at all.
> Except that my O2 monitor always bounces back and forth off the scale.
>
> Todd
>
>
>  -------------- Original message ----------------------
> From: Mike Collum <collum@VERIZON.NET>
>> pickle vanagon wrote:
>>> I'm planning on running a wire from my oxygen sensor up to the front of the
>>> van for a air/fuel mixture gauge (i.e., voltmeter).
>> Only part of that O2 sensor wire is shielded.  The black wire from the
>> sensor itself, up to the spade connector, isn't shielded.  The green
>> wire, from the spade connector to the ECU, is shielded.  I've known
>> others who have run an unshielded wire, from that spade connector,
>> forward to a meter without problems.  In fact, I'm getting ready to run
>> an unshielded wire forward to connect to my "Ken Lewis" LED O2 monitor.
>>
>> Mike
>