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.
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HOMESERVICE MANUALSCHEVROLET1987STEP VAN P20, 7.4 W, AUTOMATIC, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSELECTRICAL COMPONENT LOCATIONSELECTRICAL COMPONENT LOCATORCONTROL UNITS
1987 Chevrolet Step Van P20, 7.4 W, Automatic, 475/M40
Control Units
1987 Chevrolet Step Van P20, 7.4 W, Automatic, 475/M40SECTION Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| Coolant Level Sensor Unit (6.2L) | On steering column mounting bracket. |
| Cruise Control Module | On brake pedal bracket. |
| Diesel Electronic Control (DEC) Module | Under right side of dashboard. |
| Electronic Control Module (ECM) | Under driver's seat. |
| Elect. Spark Control (ESC) Module | Under driver's seat. |
| Glow Plug Controller (6.2L) | On left rear of intake manifold. |
| Windshield Wiper Pulse Module | Under dashboard at 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:
- • 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.