Chevrolet Workshop Service and Repair Manuals > K 2500 Truck 4WD V6-262 4.3L (1988) > Powertrain Management | Ignition System | Ignition Timing | Ignition Timing Connector | Component Information | Locations | Electronic Spark Timing Bypass | Page 4621

Number One Cylinder > < Electronic Spark Timing Bypass|Page 4620

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Spark Plug Wire Schematic

The Spark Plug # 1 wire is the Ignition Timing Connector.

Powertrain Management
Ignition System
Ignition Timing / Ignition Timing Connector / Electronic Spark Timing Bypass
Page 4621

Number One Cylinder > < Electronic Spark Timing Bypass|Page 4620