LS1TECH - Camaro and Firebird Forum Discussion
So pin 25 is the TAN iat sensor wire, and then 57 is the PURPLE ground reference to the pcm on the +99 pcm, and i did confirm that the 98 wire harness color are the same.
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JoshuaGrooms83 August 23, 2024
So pin 25 is the TAN iat sensor wire, and then 57 is the PURPLE ground reference to the pcm on the +99 pcm, and i did confirm that the 98 wire harness color are the same.

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