could this be bc of the ECU?

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When i turn the key to the "on" position in my car the check engine light and the srs light dont come on, just the batt light and the oil light. then when i start the car the speedo, tach, fuel and temp do not work at all. could this be a fried ecu? (all fuses are good)
 
Make sure the ecu is plugged in all the way if you took you out... try another one if you can get one, sounds like a ground missing/alternator plug not plugged in.
 
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