It's a 2000 ford ranger. I went to start it up, & the key was
really easy to turn. Turned smoothly. Wasn't clicking. All the
lights came on. Inside and out. Radio. All that worked. Just
wouldn't click when turning the key. Also wouldn't turn back
off. Lights and everything stayed on. So i had to unhook the
battery. Changed the ignition switch. Checked the fuses.
Checked wires. Still no luck. Had the starter checked at
auto zone. It's fine. Last guess would be the theft system.
Theft light was blinking fast. Didnt start blinking fast till
after we put the starter back in. Tried starting it. Nothing.
Then a couple minutes later, it tried starting itself for a
couple seconds. Unhooked the battery for the night. The
next day we hooked up the battery. The truck started. All
lights worked. Radio work. Went in reverse, drive. 4x4
worked. Turned the key back but it didn't go off. Unhooked
the battery and it was still running. So I had to undo the
fuse to the fuel pump and it turned off. Up and down the
truck and can't find what's wrong with it. Help please!
You said you replaced the ignition switch, but did you replace the ignition lock cylinder. It might be your problem. Have someone diagnose the issue. If you do get a new one, the key has to be programmed to the car using the proper equipment. Most decent garages, dealership or locksmiths can help.
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