Browse Caterpillar 3126 Cab Wiring Harnesses for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 7 listings. Caterpillar 3126 Cab Wiring Harness pricing ranges from $400 to $600 based on recent marketplace data. Filter by condition, price, or year to find the right Caterpillar 3126 Cab Wiring Harness.