4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

3.8/4.6 THEFT LIGHT FLASHING WON'T START

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Old 10-04-2006, 02:40 AM
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99mustang38or46
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Default 3.8/4.6 THEFT LIGHT FLASHING WON'T START

OK HERE'S THE DEAL I HAD A 99 V6 W/AUTOMATIC. THEN IN JULY BOUGHT A GT MOTOR/MANUAL TRANS(CAME WITH EVERYTHING

NEEDED FOR SWAP WIRING, PEDAL ASSEM, RADIATOR, H-PIPE, DRIVESHAFT....ETC.) ENGINE AND TRANS SWAP IS DONE ALL

WIRING DONE V6 KEY RE-CODED FOR NEW COMPUTER......STILL WON'T START AND THEFT LIGHT FLASHING LIKE HECK IF I GROUND

OUT THE FUEL PUMP SOME WHERE BESIDES STOCK LOCATION IT WILL START AND RUN FOR ABOUT 30 SECONDS AND THEN SHUT

OFF. I HAVE THE ORIGINAL STEERING COLUMN AND KEY I AM PREPARING TO SWAP THAT NEXT SO THAT THE COMPUTER, IGNITION

AND KEY WILL ALL MATCH HOPING THAT WILL FIX MY PROBLEM AND HAVE THE CAR BACK ON THE ROAD. DOES ANYONE HAVE ANY

THOUGHTS? AND IF IT DOES NOT WORK HOW MIGHT I DISENGAGE/REMOVE THE THEFT SYSTEM MODULE?
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Old 10-04-2006, 10:32 AM
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randy78045
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Default RE: 3.8/4.6 THEFT LIGHT FLASHING WON'T START

Welcome to the forums... If you post your questions in the model specific forum you'll probably get a better response...
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Old 10-04-2006, 10:16 PM
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99STEEDAGT
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Default RE: 3.8/4.6 THEFT LIGHT FLASHING WON'T START

did you swap out the gauge cluster? if you did your gunna need a computer reflash from a dealership. if you got new keys made, that might be it too.
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Old 10-04-2006, 10:18 PM
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SVTBill
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Default RE: 3.8/4.6 THEFT LIGHT FLASHING WON'T START

ORIGINAL: randy78045

Welcome to the forums... If you post your questions in the model specific forum you'll probably get a better response...
Randy, youre so kind...thats pretty much the exact same thing you did to me on my 1st post...cept for you said post in 4.6 insted of OT..
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Old 10-04-2006, 11:38 PM
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randy78045
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Default RE: 3.8/4.6 THEFT LIGHT FLASHING WON'T START


ORIGINAL: SVTBill

ORIGINAL: randy78045

Welcome to the forums... If you post your questions in the model specific forum you'll probably get a better response...
Randy, youre so kind...thats pretty much the exact same thing you did to me on my 1st post...cept for you said post in 4.6 insted of OT..
When i dont know the answer, at least i can refer someone to the right place for answers.... [8D]
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Old 10-04-2006, 11:45 PM
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SVTBill
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Default RE: 3.8/4.6 THEFT LIGHT FLASHING WON'T START

hey now...
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Old 10-04-2006, 11:48 PM
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GT_Bob
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Default RE: 3.8/4.6 THEFT LIGHT FLASHING WON'T START

Your Mustang has a Passive Anti-Theft System (PATS), a radio transmitter with a key code, and the car won't start without the chip in the steering column that has the same frequency as a box in the trunk. The code identifies the correct key.

You'll need the key, steering column and the "black box" out of the same car in the same car to make it work.

I don't know if Ford can help you on this one. Maybe
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Old 10-10-2006, 01:18 AM
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99mustang38or46
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Default RE: 3.8/4.6 THEFT LIGHT FLASHING WON'T START

ok here's an update! steering column in and fuel pump now works! car starts for about 2-3 seconds and shuts off i am going to the

dealership tomorrow morning and gonna chat with them about the reflash before i get it towed up there. i rally hope this works cause

she needs to be back on the road before the snow hits!
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Old 10-10-2006, 01:25 AM
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GT_Bob
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Default RE: 3.8/4.6 THEFT LIGHT FLASHING WON'T START


ORIGINAL: 99mustang38or46

ok here's an update! steering column in and fuel pump now works! car starts for about 2-3 seconds and shuts off i am going to the

dealership tomorrow morning and gonna chat with them about the reflash before i get it towed up there. i rally hope this works cause

she needs to be back on the road before the snow hits!

Well, you have the right key and the right colum. Now all you need is the right box in the trunk and you're there. Hope Ford can re-flash it for you.
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Old 10-10-2006, 01:33 AM
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StickShifty
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Default RE: 3.8/4.6 THEFT LIGHT FLASHING WON'T START


ORIGINAL: 99mustang38or46

ok here's an update! steering column in and fuel pump now works! car starts for about 2-3 seconds and shuts off i am going to the

dealership tomorrow morning and gonna chat with them about the reflash before i get it towed up there. i rally hope this works cause

she needs to be back on the road before the snow hits!

first time ive heard that
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