Control Units

1989 Buick Skyhawk Base, 2D Coupe, AutomaticSECTION Control Units
CONTROL UNITS LOCATION

Component Location
Audio Alarm Module Integral with convenience center.
Cruise Control Module Behind bottom center of dash.
Distributorless Ignition System (DIS) Module
VIN W
2.8L PFI On left side of engine, below exhaust manifold. See Figure .
2.8L TBI On left side of engine, below exhaust manifold. See Figure .
VIN 1 On right side of engine, below intake manifold. See Figure .
Electronic Control Module (ECM)
2.0L TBI-OHC Behind right side of dash, near glove box. See Figure .
2.0L Turbo Behind right side of dash, near glove box. See Figure .
2.8L PFI Behind right side of dash, near glove box. See Figure .
2.0L TBI-OHV Behind right side of dash, near glove box. See Figure .
Headlight Door Module On rear of left front strut tower.
Light Dimmer Module Behind dash, left of steering column.
RENDER: 1.0x

NO RELATED

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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.