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Check engine light failed Smog Failed

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Check engine light does not flash when turn on.

OBD 1 reader failed.

Light bulb is good.

ECU is good.

Any ideas?

Also I attached a Pix, Where does this plug connected? Is part of the Obd 1 connector?

1994OBD1connector.JPG

A 300ZX forum might be able to provide more information. Have you looked at http://www.xenonzcar.com to see if the FSM is available to get diagnostic info?

Let us know what you end up finding out.  We want to make sure someone else can get this info here as well.

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