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Old 11-16-2011, 03:25 PM   #3
1963c-10
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Join Date: Nov 2011
Location: fayetteville nc
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Re: 1965 Gauge Dash Wiring Diagram

The whole main harness, cluster harness and engine harness are different. The only easy fix is the oil guage which is a line run to the engine. The fuel guage is wired the same, but the ammeter and temp guage are completely different. GMCPauls 60-66 trucks website has a great rundown on using your factory harness and doing the conversion as opposed to buying the harness's for about $400-500
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