K 2500 Suburban 4WD V8-6.0L VIN U (2001)
7. Disconnect the following electrical connectors:
^
Main ignition coil harness (2).
^
Fuel injectors (3)
8. Disconnect the wiring harness clips (1) from the fuel rail.
9. Disconnect the following electrical connectors:
^
Main ignition coil harness (1)
^
Fuel injectors (3)
^
Exhaust gas recirculation (EGR) valve (4)
10. Disconnect the harness clips (2) from the fuel rail.
11. Disconnect the following electrical connectors:
^
Manifold absolute pressure (MAP) sensor (1)
^
Knock sensor (2)
12. Remove the knock sensor harness electrical connector from the intake manifold.
13. Set the electrical harness aside.
