Apr 7, 2010 #1 A aminga Chicks Dig the powerbulge Joined Dec 15, 2003 Messages 5,578 Does the EST Control Line (Terminal B4 on the ECM connector) provide the same 3 pulses/revolution that the Diagnostic lead under the hood provides?
Does the EST Control Line (Terminal B4 on the ECM connector) provide the same 3 pulses/revolution that the Diagnostic lead under the hood provides?