How to Replace an Ignition Switch


Below guide will teach you How to Replace an Ignition Switch. Please follow the instructions carefully.

Things You’ll Need:

  • Screwdriver
  • Multimeter
  • Socket and Ratchet Set
  • Wrench
  • Nut Driver
  • 3/8 in. Drive Ratchet
  • Ignition Switch
  • Repair Manual

Estimated Costs:

  • DIY Costs: Est. $12.83 parts only
  • Shop Costs: Est. $212.77 parts and labor

Instructions:

  • Look for the battery in the engine compartment. Make sure the engine is on.
  • Take a DMM and attach the ground wire connector of it to the negative battery terminal and the power wire connector to the positive battery terminal.
  • Look for the ignition switch.
  • Locate the wiring harness on the back of the ignition switch.
  • Next connect the ground wire connector of DMM to a ground source, i.e. unpainted screw, body frame or door hinge bolt.
  • Now connect power wire connector of DMM to the ignition switch while still the engine is on.
  • Note the reading on DMM. Make sure that you are having a full voltage on the DMM reading. However, if the DMM shows the reading 10 volts or less, your ignition switch has high resistance.
  • Switch off the vehicle and remove the negative battery cable from terminal.
  • Remove any wiring connectors from the ignition switch.
  • Unfasten the screws and take the ignition switch out.
  • Secure the new ignition switch in place with screws and reconnect the wiring connectors.
  • Reconnect the negative battery cable to the terminal.
  • Move the key in ON and OFF position to make sure the new switch is working well.

Tips & Warning

  • Always use Personal Protective Equipment (PPE) to prevent injuries while working on your vehicle such as safety goggles, latex gloves, and closed toe shoes.

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