GMC Workshop Service and Repair Manuals > V 2500 P/U 4WD V8-454 7.4L (1988) > Powertrain Management | Tune-up and Engine Performance Checks | Spark Plug Wire <--> [Ignition Cable] | Component Information | Technical Service Bulletins | Page 2616

Distributor, Ignition > < Emissions - A.I.R. Adapter Noise|Page 2615

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Spark Plug Wire: Locations

Spark Plug Wire Routing

Powertrain Management
Tune-up and Engine Performance Checks
Spark Plug Wire <--> [Ignition Cable] / Technical Service Bulletins
Page 2616

Distributor, Ignition > < Emissions - A.I.R. Adapter Noise|Page 2615