gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Number One Cylinder > < Ignition Firing Order
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Ignition Timing Connector: Locations

There is no "Set Timing Connector".
Timing is not adjustable.

NOTE:  The Distributor is located in a fixed, non-adjustable position. No attempt should be made to adjust the engine base timing by rotating the
distributor. Attempting to do so may result in engine cross-fire and mis-fire conditions. 

Number One Cylinder > < Ignition Firing Order