G 3500 1 Ton Van V8-454 7.4L VIN N TBI (1995)
Spark Plug Wire: Specifications
0-15 inch cable ...................................................................................................................................................................................... 3,000 - 10,000 ohms.
15-25 inch cable .................................................................................................................................................................................... 4,000 - 15,000 ohms.
25-35 inch cable .................................................................................................................................................................................... 6,000 - 20,000 ohms.
Longer wires should measure about 5,000 to 10,000 ohms per foot.