Glow Plugs Installation; Glow Plug Relay Removal And Installation; Glow Plug Electrical Connector; Powertrain Control Module (Pcm) - Jeep 200 Cherokee Service Manual

14 - 36 FUEL SYSTEM—2.5L DIESEL ENGINE
REMOVAL AND INSTALLATION (Continued)
Fig. 22 Glow Plug
1 – GLOW PLUG
Fig. 23 Glow Plug Electrical Connector
1 – GLOW PLUG ELECTRICAL CONNECTOR
(3) Disconnect electrical connector (Fig. 23) at glow
plug.
(4) Remove the glow plug (Fig. 22) from cylinder
head.
INSTALLATION
(1) Apply high–temperature anti–seize compound
to glow plug threads before installation
(2) Install the glow plug into the cylinder head.
Tighten to 14 N·m (123 in. lbs.) torque.
(3) Connect battery cable to battery.
GLOW PLUG RELAY
The glow plug relay is located in the engine com-
partment on the left–inner fender (Fig. 24).
2000 JEEP CHEROKEE
1 – MOUNTING BOLT
2 – GLOW PLUG RELAY
3 – ELECTRICAL CONNECTOR
REMOVAL
(1) Disconnect the negative battery cable at the
battery.
(2) Remove relay mounting bolt.
(3) Disconnect electrical connector at relay and
remove relay.
INSTALLATION
(1) Check condition of electrical connector for dam-
age or corrosion. Repair as necessary.
(2) Install electrical connector to relay.
(3) Install relay to inner fender.
(4) Connect battery cable to battery.

POWERTRAIN CONTROL MODULE (PCM)

The PCM is mounted to a bracket mounted to the
inner side of the right fender well behind the air
cleaner assembly. (Fig. 25).
REMOVAL
(1) Disconnect the negative battery cable at the
battery.
(2) Loosen the 60–Way connector (Fig. 25). The
electrical connector has a sliding bar which moves
inward to lock or outward to unlock.
(3) Remove the electrical connector by pulling
straight out.
(4) Remove PCM.
INSTALLATION
(1) After the PCM electrical connector has been
separated from the PCM, inspect the pins for corro-
Fig. 24 Glow Plug Relay Location
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