1992 Cadillac Seville BaseFACTORY OEM SERVICE PROCEDURE

Module Unlock Test No 1

  1. Disconnect keyless entry module connector. Using a voltmeter, measure voltage between connector terminal D1 (Orange wire) and ground. If battery voltage is not present, check for open circuit in Orange wire.
  2. If battery voltage is present, check voltage between connector terminals D1 (Orange wire) and D15 (Black wire). If battery voltage is not present, check for open circuit in Black wire. If battery voltage is present, go to MODULE UNLOCK TEST NO. 2.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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