2000 eldorado

Tiny
EVALUATION2
  • MEMBER
  • 2000 CADILLAC EL DORADO
  • V8
  • FWD
  • AUTOMATIC
  • 167,000 MILES
How to replace Neutral Safety switch on 2000 eldorado? Where is this switch located at?
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Monday, March 28th, 2011 AT 9:30 PM

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Tiny
FACTORYJACK
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For 2000, I believe they call it an internal mode switch(IMS), and it is located in the lower pan and activated by the manual valve. You would need to remove the lower pan, and the lower valve body to replace the switch.

The internal mode switch (IMS) is a sliding contact electrical switch assembly that corresponds to the PRNDL position selected. Each of the PRNDL positions has a unique ground pattern on the four wires from the PCM. The IMS consists of two major components: The housing, which houses the tracks and makes up the stationary contacts. The insulator assembly makes up the moving contacts and is linked to the detent lever. The range detection is accomplished by securing the moving contacts of the IMS to the detent lever. When the driver selects a PRNDL position, the detent lever inside the transaxle rotates. This slides the IMS moving contacts which in return grounds the four wires in a unique pattern for each gear selection corresponding to the PRNDL position selected. The IMS is electrically connected by five wires (four of which the PCM supplies voltage to and one wire that is a common ground) to the transaxle pass through connector.
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Monday, March 28th, 2011 AT 10:55 PM

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