Chevrolet Workshop Service and Repair Manuals
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Number One Cylinder >
< Electronic Spark Timing Bypass|Page 2961
K 2500 Truck 4WD V8-454 7.4L (1988)
Engine, Cooling and Exhaust
Engine
Tune-up and Engine Performance Checks
Ignition Timing / Ignition Timing Connector / Electronic Spark Timing Bypass
Page 2962
Page 2
The Spark Plug # 1 wire is the Ignition Timing Connector.
Engine, Cooling and Exhaust
Engine
Tune-up and Engine Performance Checks
Ignition Timing / Ignition Timing Connector / Electronic Spark Timing Bypass
Page 2962
Number One Cylinder >
< Electronic Spark Timing Bypass|Page 2961