gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Spark Plug Wire <--> [Ignition Cable] > < Number 1 Cylinder Location
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Timing Marks and Indicators: Locations

Crankshaft Rotation (Typical Crankshaft Pulley)

Crankshaft rotation is clockwise when viewed from in front of the crankshaft pulley as shown in the generic image.

Spark Plug Wire <--> [Ignition Cable] > < Number 1 Cylinder Location