njnick88 Posted March 22, 2007 Report Share Posted March 22, 2007 Does a 97 Seville STS have a transponder system? I'm trying to get some spare keys and I have to know. Can any Cadillac key fit or are they programmed? Thanks Link to comment Share on other sites More sharing options...
Ranger Posted March 22, 2007 Report Share Posted March 22, 2007 The '97 uses the VATS system. There is a resistor in the key shaft. Measure the resistance with a DVM and get a key with the same resistance. There are 15 possibilities. VATS # (K)OHMS (Set your meter to the 20k ohm setting) 1———— 0.402 2———— 0.523 3———— 0.681 4————-0.887 5————-1.130 6————-1.470 7————-1.870 8————-2.370 9————-3.010 10————3.740 11————4.750 12————6.040 13————7.500 14————9.530 15————11.801 Link to comment Share on other sites More sharing options...
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