Diesel Data
: Automotive Repair
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Chevy Truck
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1986
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K 20 P/U 4WD V6-262 4.3L
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Relays and Modules - Ignition System
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Electronic Spark Control Module
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Locations
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Typical Electronic Spark System (ESC)
Typical Electronic Spark System (ESC)
Fig. 46 Typical Electronic Spark System (ESC):