[DML] RPM Relay/ECM/Pulse generator Diagnostics
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[DML] RPM Relay/ECM/Pulse generator Diagnostics

What exactly are you trying to accomplish or find out?
The "signal" going to the RPM relay is on the WS wire (white with a slate  
stripe) and comes from the Ignition ECU to ignition coil  primary connection.  
It is a "tach" signal and thus you should be able  to get a reading with a 
standard automotive diagnostic tachometer.
If this info does not help, please give us more details about what you  need.
D² & 6530
Currently undergoing a water pump change.

Message:  6         
Date: Sat, 2 Jul 2005  15:16:59 -0700
From: "Tom Tait"  <TTait@xxxxxxxxxx>
Subject: RPM Relay/ECM/Pulse generator  Diagnostics

Is there a procedure available to test the signal going to  the RMP
relay?  Can the relay itself be tested with a 12 VDC power  supply or do
I need an alternating/pulsing current?

Tom Tait  #10902

Thank  you,


"Just Say  NO, to the COUCH POTATO!"®

To see how go to _www.tvpedaler.com_ (http://www.tvpedaler.com/)   

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