Ford F-150 - 1997-2003 :: 2002 - Fast Blinking Theft Light
Mar 28, 2015
Left the truck sitting for a couple of months while working out of town. I bought this truck used with only 1 key. We rebuilt the engine and had noise issues so we don't want to drive it much until this is resolved. I went out to start the truck to move it and it would not start. It had cranked right up the week before. Now it just spins over and the theft light blinks rapidly. I've check all the door locks.
When I called a Ford dealership all the service guy would tell me is that it's going to have a new key made and I have to have the title on the truck to get it done. AND, I have to have the truck towed to a dealership to fix the problem of it not starting... The battery drained down so I took it out and charged it... only thing I can possibly think of is a low battery or maybe somebody tried to steal it while I was out of town and messed up something.
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01 F150. Cranks but no start, will fire with starter fluid spray. Theft light fast flash, Check engine light on. Only have one key and don't know what the kid that had owned has done.
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i have a 99 f150 with a 4.6 that will not start. it has sat for a while now. when i go to turn the key to turn it on it cranks and cranks and cranks but wont start. the theft light blinks like crazy and the odometer reads dashes. There is also a relay which i do believe is the pcm relay that clicks like crazy. when the relay clicks and the key is first turned to the on position the fuel pump will turn on and off as the relay clicks.
We tried putting a scan tool to it to try to pull a code and the scan tool wont connect. I do believe its the pats system kicking, but i also think its related to this relay clicking like a mother, maybe a bad connection in the junction or something. But I am not really sure how to try to start and find the problem. i have also tried replacing the relay that clicks and the new relay does the same thing.
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I recently changed the heater core on my 99 F-150 which meant i had to remove the dash. I got everything back together turned the key to start it and nothing it wouldn't start it wont even turn over. All the electronics come on like normal it just wont start. I have chased every wire every connection into madness. It has an aftermarket remote start someone said that would have bypassed the PATS but i dont know about that the theft light just started blinking.
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I just bought a 00 f150 4x4 with a 5.4 auto...it wouldn't start but not because something was wrong. it kept making a clicking sound and the theft light was one blinking...took my bronco to work and when I came home it started right up...I was thinking one of the keys didn't have the chip in it but it started with both keys....it doesn't have a key fob or keyless entry. I tried locking my drivers door with the key and unlock it...
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I bought a 1998 F250 5.4 XLT, 4x4, automatic gear shifting, electric 4x4 HI/LO switch. I'm living up on a hill and when I drove back home last time there was snow and I had to use 4x4 all the way up back home. 4x4 worked fine. I parked the truck and switched of 4x4.
But when I started the truck next time and switched in a gear the 4x4 dash light started blinking. But different to many post I read so far the 4x4 dash light is not just blinking 6 times every 2 minutes, it is blinking constantly very fast (double time of flasher) as soon as I switch in a gear, even without moving the car. The dash light is blinking regardingless to the position of the 4x4 switch. I realized that interior lamp is flashing in same rythm as the 4x4 dash light.
When I shift from 2HI to 4HI 4WD does not engage but it sounds like shift motor on transfer case is doing something. When I switch to 4LO 4WD does not engage either but the gear reduction works. I noticed that when I drive downhill and put on brakes the 4x4 dash light stops blinking for short.
What might be the problem?
What I tested so far:
- All fuses (under dash and under hood) are okay
- Relays under the hood (they switch when I connect them to 12V)
- Switched heating mode selector to panel. Air comes out of panel. Then switched on 4x4 and air comes still out of panel. Not switching to window. So vacuum pump system should be okay as well, right?
- disconnected car battery for a while. Reconnected, started engine, put in a gear and 4x4 dash light was NOT blinking any more. But as soon as I drove a few meters it started blinking again.
- When I drive the speed indicator works as well. So shouldn't be the rear speed sensor, right?
What else can I test?
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How to reset the Anti Theft on my explorer? The light is flashing fast and the engine won't start. Without the anti theft being reset the truck won't start. Been checking around to find an answer but can't find one...
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My overdrive light is blinking off and on. When I accelerate normally, the truck starts stumbling? (don't know a better word) some, sort of like a clogged air filter or fuel filter. I am going to take it to a transmission shop because its a little beyond me, but don't want to get ripped off.
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Looking to see how to repair my blinking light. Code reads a 27, most what I've read says it's a PAD light, which this truck does not have. It has been in an accident, both airbags deployed. Since then both seat belts & bags have been replaced, nothing else.
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Ive been in this game 16 years have i never stumbled across this. The theft light blinks fast and no start. Ive change the key , key remote to cpu, and the cpu it self all programed properly still no start ....
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My 2000 Explorer overheated and I had water pump and intake manifold replaced.. then it had a freeze plug rust out and its replaced, I'm holding water.. but now it just wont start.. we've tried everything from changing fuel injectors, fuel delivery unit on intake, now the fuel pump is changed.. still wont start and the theft light is flashing fast.. my dad changed computers while I was out of town,, is it the theft device or does the computer need coded for this explorer?? we have taken negative off battery but nothing.. And if I change the motor will that work or still not run because of theft light or computer??
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first thing i noticed was trying to start it the theft light was flashing fast but wasnt cranking. Heard a relay click a bunch of times when going on and off. I'v tried to testing fuses and relays all seem good. Battery is brand new and working. Nothing works, no lights, wont unlock from remote. moving soon and we need to get this thing running. 6.8 gas excursion....
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All of a sudden wouldn't start Saturday morning. Turns over fast. No fire. Waited a while and tried again and it started and ran fine. It did it again Saturday afternoon, so I changed the fuel filter. Gas from filter was very dirty. Still did it after filter change, so I replaced the fuel pump relay. Still did it twice on Sunday. Once it starts, it runs perfectly. Drove it 200 miles without a problem until I killed it. Then it wouldn't start.
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I have a 2001 F150 4.2 V6. Three days ago, I noticed the Theft light blinking while driving. At first, there was no issues with performance, although the blinking was most noticeable just as I tapped the accelerator at cruising speed.
I thought it may temporarily disconnect the battery, which I did. After hooking it back up, I went for a test drive. About five miles into the drive I picked up an intermittent, though somewhat steady skip--almost like a plug wire. Shortly thereafter, the flashing light returned.
I'm not sure if the two problems are connected (the light and skip) or if it's just a coincidence.
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I did the power door fix, wrapping the door actuator motor 'resistor' in foil, and all was good. This morning I started the truck to move it, all fine, then pulled the door panel off to readjust the window guide in the door as windows were binding. After adjustment I went to turn on the ignition to test the window and the Theft light is on, and the truck won't start! It's a1999 F150, 5.4L.
1. The power comes on when I turn the key to ON, then when I turn the key to start the truck I hear nothing, no clicking, and the power goes off.
2. After leaving the key in the On position for 45 seconds, the Theft light blinks rapidly, the odometer is all dashes, the RPM and Speedometer gauges swing to max, then back to 0.
3. When turning the key to start the truck, there's a 1 click sound (solenoid?), then all power goes off on the instrument panel, no cranking.
What might have gone wrong here? Could the wrapping of the 'resistor' in foil in the door actuator have caused an electrical short? [URL] .....
Below happened previously but not any more...
4. When I turn the power back on to ON and push the buttons for the windows, the power seems to cycle On / Off in 2 second intervals, as the window goes down a bit, then stops, then goes down a bit, stops etc. and the lights on the instrument panel dim / go on / dim in the same cycle.
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I have a 2000 3.0 manual tranny, the motor went in the truck months ago. I put a new motor in it but that took me many months to do. Now I just finished up putting it all back together and now it wont turn over, when the ignition is on the theft light flashes fast. could there be a reset procedure at all? i had the battery disconnected for months.
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My alarm and lights started going off one night. By the time I got to it, everything stopped. When I tried to start the next morning, I got nothing. After several tries, horn and lights started again. The only way to stop it was to disconnect battery.
One person told me that it was the key or the ignition not recognizing the key. I was then told that my truck, 97 f150, had no chip in the key so the problem was the computer.
I replaced my computer with a refurbished one. Once I hooked up the battery, the horn was still going, lights flashing and theft light still blinking. Also, not sure if its related, but when I try to use the key in the passenger door it turns, but there is very little resistance and the door does not unlock.
1997 F150
4.6L V8
4x4
6" Fabtech Lift
235,000 Miles
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After installing two new batteries, a new alternator and removing the auto start system still having the same problem. It sometimes wont start. It will turn over but wont fire. If the theft light keeps blinking it wont start. Other times no blinking light and it fires right up. What to check next.
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I connect the batteries and the overhead lights don't out, plus the theft light is blinking. Bad door switch maybe? I don't have the original Ford key
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I have a 2000 f150 with 200k miles. I have no spark and no gas at the fuel rail Schrader valve. I have replaced the shaft pos sensor, no start. I have checked the fuses and the relays. I have crawled under truck and listen for the fuel pump to turn on while someone turned the key to on and heard nothing. I have 2 keys and while turning the key to on and start, the THEFT lite flashes. I have checked the impact sensor on the passing sick panel, it hasn't been tripped.
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I own a 2000 f-150 7700 series with a 4in body lift. recently Ive had a problem starting (I believe it is from the shifter not recognizing im in park) but now my theft light flashes at me and there is a weird sound that sounds like a relay from under my steering column when i roll my windows down, move shifter around or turn on 4x4. also my radio stays one every once in a while after the key is turned all the way back to off, and windows wont roll down after i hear the relay sound. Ive read to tighten shifter linkage and will do that tomorrow to see if that fixes it.
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