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I am putting a ss dash with gauges and tach out of a 71 ss in my 72 chevelle. I have the wiring harness from the 71 also. Will I need to get the engine bay harness too or will the one from my 72 work. Is there anything else I should know about swapping these dashes. thanks
 

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Bulk head connector for 72 differs greatly from 70/71 and Gauge cluster requires two extra wires not in the malibu harness for the amp gauge. You should swap in both harnesses.
 

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BRK65, I have the same problem in reverse. I have a 70 but have the tach dash and harness from a 72. I would consider swaping my 72 harness for your 71 harness as long as yours is for an A/C car.

Billy
 
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