Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2002 Saturn SLFACTORY OEM SERVICE PROCEDURE

High Tension Wire Resistance

HIGH TENSION WIRE RESISTANCE

Application

Ohms

1.9L

1500-15,000 Per Ft.

2.2L

"J" Body

Cavalier & Sunfire

⁽¹⁾

Saturn ("L" Series)

⁽²⁾

"N" Body

⁽²⁾

3.1L

3000 Per Ft.

3.4L

Except Impala & Monte Carlo

3000 Per Ft.

Impala & Monte Carlo

600 Per Ft.

3.8L

Except Police

3000 Per Ft.

Police

600 Per Ft.

5.7L

700 Per Ft.

All Others

⁽²⁾

⁽¹⁾	Vehicles identified with 8th VIN character "F", are not equipped with high tension wires. Ignition coils are connected directly to spark plugs by boots. On vehicles identified with 8th VIN character "4", resistance is 12,000 ohms per foot.

⁽²⁾	Not equipped with high tension wires. Ignition coils are connected directly to spark plugs by boots.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.