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GMC Truck
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1987
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V 3500 P/U 4WD V8-305 5.0L
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Repair and Diagnosis
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Powertrain Management
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Relays and Modules - Computers and Control Systems
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Engine Control Module
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Locations
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Electronic Control Module (ECM)
Electronic Control Module (ECM)
Under Dash & Underhood Components:
Under RH Corner Of I/P
Applicable to: 1987 V8-305/5.0L