trwebb26 Posted August 30, 2006 Share Posted August 30, 2006 With a properly installed 1K pullup resistor installed on the G/B wire as is shown in Moby's sticky - what should the voltage of that wire be if you check it at the distributor (with the car off)? I've only got 4 volts? The black and white wire has 12v. Quote Link to comment Share on other sites More sharing options...
z-ya Posted September 1, 2006 Share Posted September 1, 2006 Is the Megasquirt on? Quote Link to comment Share on other sites More sharing options...
trwebb26 Posted September 1, 2006 Author Share Posted September 1, 2006 Yes Quote Link to comment Share on other sites More sharing options...
z-ya Posted September 2, 2006 Share Posted September 2, 2006 It shouldbe +12V. Try turning the engine by hand to see if the voltage goes to 12V. Quote Link to comment Share on other sites More sharing options...
trwebb26 Posted September 3, 2006 Author Share Posted September 3, 2006 Very wierd... With the megasquirt on - it reads 4.0 volts - but if you unplug it - it goes to 12 volts. How is that even possible with the pullup constantly feeding it 12v? Can somebody check the voltage at the dizzy with the megasquirt on - and the car off to check if this is correct? Quote Link to comment Share on other sites More sharing options...
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