Jeep Cherokee

 Service Manual

Ignition system » Description and operation
Spark plug cables-2.5L engine

DESCRIPTION

Spark plug cables are used only on the 2.5L engine. They are sometimes referred to as secondary ignition wires.

OPERATION

The spark plug cables transfer electrical current from the ignition coil(s) and/or distributor, to individual spark plugs at each cylinder. The resistive spark plug cables are of nonmetallic construction. The cables provide suppression of radio frequency emissions from the ignition system.

Ignition system

Distributor-2.5L engine

Spark plugs

Spark plug cables-2.5L engine

Ignition coil-2.5L engine

Ignition coil-4.0L engine

Crankshaft position sensor

Camshaft position sensor-2.5L engine

Camshaft position sensor-4.0L engine

Ignition switch and key lock cylinder