Originally Posted by Devodudeman
the ecu came with a key and ignition . It is a black key . yes the green key light keeps flashing . I'm pretty sure its the original motor . not sure about distributor or crank position sensor . Is that all commonly changed when running and obd1 ecu ? Sorry for my lack of knowledge
If the green key in the dash continues to flash as you attempt to crank the car over - you're more than likely using a key that is not registering with the new ECU. Would need a paired immobilizer unit with the purchase of the ignition and ecu unless the seller provided you with a red key.