yevgenievich
I'm Awesome
Looks like input speed sensor for 4l80e if there are two of them. But would not be on k1500.
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Agreed, unless it's a 454SS (OP said a 97 and K1500, so no) or a diesel K1500? Maybe OP got a wiring harness from a different truck? But he already has his speed sensors plugged in? Maybe more pictures will help.Looks like input speed sensor for 4l80e if there are two of them. But would not be on k1500.