Federal Spec. Vehicles
Primary coil resistanceCOLD 0.36 - 0.55 Ohms
HOT 0.45 - 0.65 Ohms
Secondary coil resistance
COLD 9.0 - 15.4 k Ohms
HOT 11.4 - 18.1 k Ohms
Camshaft Position Sensor {G+ to G-} resistance:
COLD 185 - 275 Ohms
HOT 240 - 325 Ohms
Engine RPM Sensor {NE+ to NE-} resistance:
COLD 370 - 550 Ohms
HOT 475 - 650 Ohms
NOTE: "HOT" and "COLD" refer to the temperature of the coils (sensors) themselves.
"COLD" is from -10°C (14°F) to 50°C (122°F)
"HOT" is from 50°C (122°F) to 100°C