Speed Sensor Test

1987 Jeep Wagoneer Base, 2.5 H, AutomaticSECTION Speed Sensor Test

Disconnect the speed sensor connector from the ignition control module. Place an ohmmeter between terminals "A" and "B" (marked on connector). Reading should be 125-275 ohms with the engine hot. Replace sensor if readings are not within specifications.

RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.