Have another wiring question

Donniejr81

New Member
When converting a NA Regal into a turbo, do I need the turbo dash wiring harness too? I have the underhood harness with all the sensor connectors that plug into the ECM then into the firewall cluster plug, but I dont have the harness that runs inside the dash from the donor car. If they are not the same is it minor differences between the two?
 
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