原帖由： mayer ,
1 Open the hood to access the battery. Disconnect the negative cable to isolate the electrical power. 2 Open the driver's side door for more room to remove the ignition switch. The switch is located on the steering column. 3 Unscrew the shroud around the steering column with a Phillips head screwdriver. Pull the shroud out from around the steering column once it is loosened. 4 Locate the switch by the ignition lock. The switch will be screwed into the column. 5 Pull the wires out of the back of the switch by hand. The wiring harness will have locking tabs that must be pulled out to separate it from the switch. 6 Unscrew the switch from the column with the Phillips head screwdriver. Pull the switch out of the column. 7 Place the new switch where the old one was located. Screw the switch to the column with the Phillips head screwdriver. 8 Push the wiring harness into the back of the switch. Push in the wiring harness until it locks into place. 9 Fasten the shroud back around the steering column. Tighten the screws with the Phillips head screwdriver. 10 Connect the negative cable on the battery with a line wrench. Ensure both cables on the battery are tight. 11 Start the truck to ensure the ignition switch is functioning correctly.