Question about 1989 Ford F 150
When starting my F150, the cylinder switch goes from the start position and on the return to the run position it shuts off. I have replaced the cylinder switch with the same results. The key is in the run position but the engine turns off. I can start it very carefully, and manually movr the key to where the motor still runs. But the least little movement of the key and the engine shut off.
Remove the ignition switch cylinder and inspect the contacts in the column. Look for dark spots, scratches, excessive scuffing. My guess is that cleaning the contacts with a little tiny piece of sandpaper and perhaps bending them out a little (so there is more pressure between the contacts when you reinstall the cyclinder) will cure the problem.
Posted on Oct 02, 2008
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Posted on Jan 02, 2017
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