> module switches the ground wire on and off many times per second. No. Rich, the following is what I think, but I'm sometimes wrong: The frequency valve ground is unswitched, and the positive lead is the one that is switched/pulsed. Measuring the positive lead with an ordinary volt meter won't show the pulses because they are too fast, so it will look like direct current. The wiring diagram shows the ground going through the Lambda ECU when it really just takes a short jaunt through the wiring harness and connects to the intake rail passenger side front. This ground is shown as the upper left ground "B" (for black) on the diagram on grid 11,B. Walt Yahoo! Groups Sponsor ADVERTISEMENT <http://rd.yahoo.com/SIG=12c49tmf0/M=267637.4116730.5333196.1261774/D=egro upweb/S=1705126215:HM/EXP=1068667348/A=1853618/R=0/*http://www.netflix.com /Default?mqso=60178338&partid=4116730> click here <http://us.adserver.yahoo.com/l?M=267637.4116730.5333196.1261774/D=egroupm ail/S=:HM/A=1853618/rand=522314019> To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> .
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