RPM Sensor location

[DGraber460 at aol.com]

In a message dated 2/11/2001 10:15:14 PM Mountain Standard Time, 
nathan.stuart at maine.edu writes:


> > Defective sensor & cables, metal fragments on flywheel teeth
> >
> > Patient is a 1986 type 44QT manual. If anyone can help me with this, I
> > would greatly appreciate it. Thankyou
> 
The metal fragments would be on the sensor not the flywheel, and if present 
would defeat its function. The sensor is a magnetic switch, triggering as 
metal passes in front of it. Since it's a magnet any fragments in the 
bellhousing will cling to it, and if large enough maintain a constant signal 
state, at which point the ECU gets very confused.

Dennis  

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