Trys_Hard Posted February 15, 2012 Share Posted February 15, 2012 This car is 3.1L with EDIS running MS1. The car was running fine and just quit. I hook it up to the stim and everything works, but when installed in the car I get no LED's working. It is getting the 12V at the ECU and I checked the DB9 pin 9 and there is a 5v VREF there. I Checked all the power and fuses on the relay board and they good. The tach indicates RPM when I crank it so I believe the VR sensor is working. Any ideas? Quote Link to comment Share on other sites More sharing options...
neotech84 Posted February 16, 2012 Share Posted February 16, 2012 Back to basics, air, fuel, spark and timing. Quote Link to comment Share on other sites More sharing options...
dexter72 Posted February 16, 2012 Share Posted February 16, 2012 (edited) Are you sure the relays are good?. Are you sure all the fuses are good?. Check, Double check, triple check, and then check again. Many people have chased there tails with electrical issues, because they won't check fuses multiple times. Is the Ignition switch good?. Edited February 16, 2012 by dexter72 Quote Link to comment Share on other sites More sharing options...
Trys_Hard Posted February 16, 2012 Author Share Posted February 16, 2012 Back to real basics. Upon further investigation, the problem was not with MS. It was the ignition switch, when in the on position there is switched power but when you go to the start position you loose switched power, common problem on early Z's. Quote Link to comment Share on other sites More sharing options...
Cannonball89 Posted February 16, 2012 Share Posted February 16, 2012 If your power to MS is through the accesory relay, then your not going to get power on the "start" setting no matter what. Power must come from something like the coil + Quote Link to comment Share on other sites More sharing options...
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