How to Fix a Speedometer for a 1990 Toyota Celica GT

Written by michael cantrell
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The speedometer of the Toyota Celica translates data about wheel movement into a figure that represents the speed at which the vehicle is travelling. If the vehicle's speedometer begins to malfunction you will receive an inaccurate reading of the vehicle's speed. A faulty speedometer can be a serious safety hazard. You can fix the issue by replacing the faulty speedometer with a new one.

Skill level:

Things you need

  • Wrench
  • Screwdriver
  • Crescent wrench

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  1. 1

    Prop open the bonnet of the Toyota Celica. Use a 10mm socket wrench to loosen the negative battery cable clamp. Remove the cable from the terminal on the battery.

  2. 2

    Remove the six screws that secure the instrument panel in place using a Philips screwdriver. Remove the centre console panel so that you can access the vehicle's speedometer.

  3. 3

    Use a crescent wrench to take out the nut from the back of the speedometer. Detach the speedometer cable from the speedometer.

  4. 4

    Push the tabs on the speedometer wiring harness. Remove the wiring from the speedometer. Twist the light on the back of the speedometer clockwise until you can pull it out from the speedometer. Take out the speedometer from the instrument panel.

  5. 5

    Put the new speedometer in the Celica's instrument panel. Connect the wiring from the speedometer to the wiring harness. Connect the speedometer cable to the back of the speedometer by replacing the nut with the crescent wrench.

  6. 6

    Place the instrument panel into the vehicle's dashboard. Replace the screws you removed earlier to secure the panel back in place.

  7. 7

    Reconnect the negative battery cable to the terminal on the battery. Close the bonnet.

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