1987 Oldsmobile Custom CruiserFACTORY OEM SERVICE PROCEDURE

Control Units

CONTROL UNITS LOCATION

Component Location
A/C Programmer (Tempmatic) Behind right side of dash.
Audio Alarm Module On convenience center. See Figure.
Auto. Door Lock Cont. (Estate Wagon) Behind top of right kick panel.
A/C Blower/Clutch Control Module On top of blower plenum.
Cruise Control Module Under left side of dash, to left of steering column.
Electronic Control Module (ECM) Behind right kick panel. See Figure.
Elect. Spark Control (ESC) Module On right front inner fender panel. See Figure & 6.
Multi-Function Chime Module On convenience center. See Figure.
Twilight Sentinel Control Under left side of dash, to left of steering column.
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.