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Hi can anyone tell me what I should see on the red plug pin#5o vss when turning on the ignition not starting the engine I am trying to sort out a speedometer (electronic) problem the speedo reads...

Test completed. the voltage at wire#50 with ignition on not running 10.8 --- voltage at pin #50 on pcm with red disconnected is 8.91. I cut wire #50 near pcm to check for possible short and...

Hi thanks i didnt get the flow chart. I will check as per your last Thanks

HI thanks for the input I get 12.6 volts on vss wire stopped and battery voltage is 14.1 volts Any suggestions thanks

Hi yes pin 50 red has voltage without moving

Hi all I just completed a swap of a 1999 vortec5.7 with distributor and a tuned port system with sequential fuel injection it runs great and no codes. I went to connect an electronic speedo to...