C 1500 Truck 2WD V8-350 5.7L (1989)
Spark Plug Wire: Specifications
The spark plug wiring is a carbon impregnated cord conductor encased
in a 7mm or 8mm diameter rubber jacket.
RESISTANCE VALUES
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.
NOTE: Longer wires should measure about 5,000 to 10,000 ohms per foot.