Ignition relay or lock cylinder problem? on 1999 Ford F-350 Super Duty

How can I tell if my prob lies with the electrical relay or the actual lock cylinder?

by in Orange Grove, TX on December 18, 2009
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1 answer
ANSWER by , December 18, 2009
You need to split them apart and then test them. I have seen lots of problems on F-series trucks with tilt wheels The mechanism wears out and wreaks havoc with the operation of the Ignition Switch et al.