1997 Cadillac STS ANTI THEFT

Tiny
HERBMADILL
  • MEMBER
  • 1997 CADILLAC STS
  • V8
  • FWD
  • AUTOMATIC
  • 100,000 MILES
THE CAR WAS LEFT OVER THE WINTER, BATTERY DIED. PUT CHARGER ON TO BOOST, TRIED TO START. DASH READOUT SAID "THEFT SYSTEM PROBLEM/CAR MAY NOT START - EXP 34". TRIED SPARE KEY. UNABLE TO START. LEFT BATTERY GROUND CABLE OFF FOR AN HOUR. SAME PROBLEM. HOW DO I SOLVE THIS PROBLEM?
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Monday, May 12th, 2008 AT 7:10 AM

4 Replies

Tiny
BUZZSAW
  • MEMBER
The ign switch is bad
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Monday, May 12th, 2008 AT 9:26 AM
Tiny
HERBMADILL
  • MEMBER
Removed ignition switch, tested two wires to theft deterrent system. Both ok. Checked key resistance and verified same at harness connection under steering column. Hooked up obdII code reader and it showed an error 'not comminicating with computer'
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Wednesday, May 14th, 2008 AT 7:49 PM
Tiny
BUZZSAW
  • MEMBER
What wires did you ck what color were they?
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Thursday, May 15th, 2008 AT 12:57 AM
Tiny
HERBMADILL
  • MEMBER
They were two white wires in an orange plastic casing that came down the steering column from the key switch. The reading between these two wires was the same as the reading across the resistor in the key.
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Sunday, June 1st, 2008 AT 4:07 PM

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