Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
1988 Buick Skyhawk Base, 4D Wagon, AutomaticFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| A/C Vacuum Solenoid Module | Behind center of dash, on plenum. |
| Cruise Control Module (Cavalier & Cavalier CS) | Behind right side of dash, above glove box. |
| Cruise Control Module (All Others) | Under left side of dash, below steering column. |
| Electronic Control Module (ECM) | Behind right side of dash, behind glove box. |
| Headlight Door Controller | On rear of left front shock tower. |
| Low Coolant Module | Behind dash, to left of steering column. |
| Pulse Wiper Motor Module | On center of firewall. See Figure & 3. |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
Rather have a pro handle this?
A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.
Comes to youSame-day available12-month warranty
Get a Free QuoteNo obligation. See pricing before you book.