Browse Cummins X15 Engine Wiring Harnesses for sale on MyLittleSalesman.com. Compare prices, photos, and seller details across 12 listings. Cummins X15 Engine Wiring Harness pricing ranges from $100 to $1,133 based on recent marketplace data. Filter by condition, price, or year to find the right Cummins X15 Engine Wiring Harness.