High Tension Wire Resistance

1987 Pontiac Grand Prix LE, 5.0 HSECTION High Tension Wire Resistance

Carefully remove wire end and boot from spark plug and distributor. Using an ohmmeter, check resistance while gently twisting wire. If resistance is incorrect, or if resistance fluctuates, wire must be replaced.

WIRE RESISTANCE (OHMS)

Wire Length Maximum Resistance
Under 24" 30,000
Over 24" 50,000
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

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

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