New Wiring Harness

Does anyone know where I can get a NEW engine wiring harness? Mine is cooked (brittle and all the insulation falls off) and I'm guessing most Junk Yard Harness will be the same.

Ive done a Google search and come up with every other harness but a 4.3/automatic engine/trans harness.

Ideas?

I don't feel like remaking mine....

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