[V8] Ingition sensors

[Tony and Lillie]

Dave,

My first question is, where does the third wire com from? I thought an ABS 
sensor had 2-wires? So, is the third just an extra ground or something?

I do love the make-it-work mentality, though.

Tony


----- Original Message ----- 
From: <dsaad at icehouse.net>
To: <v8 at audifans.com>
Sent: Monday, September 15, 2008 2:32 PM
Subject: [V8] Ingition sensors




As predicted - I had a timing ref sensor go bad - causing the usual hot
start problem. After I got it out, I can see that it does indeed
"open up" when heat is applied. You can watch the
resistance rapidly increase to about 2k - then poof - open.
Actually, both sensors are doing it - meaning that they all fail after
some period of time. I dissected one of mine, and can see that there
was no oil or anything in it - they just go bad from heat cycles.

(btw, there is several thousand turns of 0.002" magnet wire in
there - probably gage AWG 42.5)

Now - here is the crazy part
-
a wheel antilock brake sensor is the same device, and comes very
close to physically fitting. I am going to install it and see if it
works. From my bench testing, these sensors are way more stable
under heat.
I am also going to try to rewind my old sensor if I
can find the wire somewhere.


Wish me luck...


Dave
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