Yukon 2WD V8-5.7L VIN R (1997)
Ignition Cable: Locations
Spark Plug Wire Routing Right Side
Spark Plug Wire Routing Left Side
Wire routings must be kept intact during service and followed exactly when wires have been disconnected or when replacement of the wires is necessary.
Failure to route the wires properly can lead to radio ignition noise and crossfiring of the plugs or shorting of the leads to ground