Quote:
Originally Posted by nickdigger
His signal is good, since his speedo still works.
You need to trace your vss input on your 'guino. Turn the ign On, and slowly roll the car, while probing the vss input voltage. When it hits 12v (or whatever "High" is), stop the car & check voltage after the resistor. If it never hits "High", then your input wire got disconnected somewhere.
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Thanks I never thought about doing this but its a very good idea. I also thought about downloading a computer program that acts as a frequency generator to simulate the VSS signal to make sure its not the MPGuino. Will do both and report the results back. Thanks again.