Question about 1988 Jeep Cherokee

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1988 cherokee pioneer/icm

Where is the ignition control modual located?

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6 cylinder? if so remove the coil, the module is attached w/ 2 screws to the coil frame. countrycurt0

Posted on Sep 29, 2008

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2002 Jeep Grand Cherokee ignition control module location


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OK,
Have you tried the following:


Ignition Control Module (ICM) REMOVAL & INSTALLATION NOTE: Only the EEC-IV ignition systems use an external ICM. EEC-V systems have incorperated the ICM into the Power Control Module (PCM).
  1. Disconnect the negative battery cable.
  2. Detach the wiring harness connector(s) from the ICM.
  3. Remove the mounting bolts, then remove the ICM. To install:
  4. Position the ICM onto the inner fender apron and install the mounting bolts. Tighten the bolts to 22–31 inch lbs (2.5–3.5 Nm).
  5. Attach the wiring harness connector(s) to the ICM.
  6. Connect the negative battery cable. Fig. 1: Ignition control module and mounting location on the 2.3L, 2.5L engine 89682g32.gif
    Fig. 2: Ignition control module used on all EEC-IV systems except the 2.3L engine 89682g33.gif
    Fig. 3: Ignition control module mounting on all EEC-IV systems except the 2.3L engine 89682g34.gif
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Jul 11, 2010 | 1996 Ford Explorer

1 Answer

How do you remove the ignition coil


Each ignition control module (ICM) has the following circuits:
An ignition 1 voltage circuit A chassis ground An ignition control circuit for each cylinder A low reference circuit
The PCM controls spark by pulsing the ignition control circuits to the ICM to trigger the coils and fire the spark plugs. The PCM and ICM are internally protected against shorts to power and ground on the ignition control circuits.

The spark plugs are connected to each coil by a short boot. The boot contains a spring that conducts the spark energy from the coil to the spark plug. The spark plugs are tipped with platinum for long wear and higher efficiency.


Ignition Control Module (ICM) Connectors

248af41.jpg

Fig. Ignition coil locations 2001-2004 4.8L, 5.3L, 6.0L Engines



Removal & Installation
2.2L (L61) Engine
  1. Turn OFF the ignition.
  2. Remove the accelerator cable from the bracket.
  3. Remove the accelerator cable bracket bolt.
  4. Remove the accelerator cable bracket.
  5. Disconnect the ignition control module (ICM) harness connector.
  6. Remove the ICM retaining screws.
  7. Remove the ICM from the ignition coil housing.

To install:
  1. Install the ignition control module in the ignition coil housing.
  2. Install the ICM retaining screws. Tighten the retaining screws.
  3. Connect the ICM harness connector.
  4. Install the accelerator cable bracket.
  5. Install the accelerator cable bracket bolt. Tighten the retaining screws.
  6. Install the accelerator cable to the bracket.

2.2L (Ln2) Engine
  1. Remove the air cleaner outlet from the air cleaner.
  2. Remove the ICM electrical connectors (1) and spark plug wires (2).
  3. Remove the ignition coils bolts (3).
  4. Remove the ignition coils and ICM assembly.
  5. Installation is the reverse of the removal procedure.

2.4L Engine
  1. Disconnect the negative battery cable.
  2. Remove the accelerator cable from the hold down clip.
  3. Remove the cruise control cable, if applicable.
  4. Remove the bolt from the fuel line retaining clip.
  5. Disconnect the 11-pin harness connector for the ignition control module (ICM).
  6. Remove the bolts from the ignition coil and the ICM assembly-to-camshaft housing.
  7. Remove the ignition coil and ICM assembly from the engine.
  8. Remove the screws that retain the housing to the cover.
  9. Disconnect the coil harness connector from the ICM.
    CAUTION When removing the housing from the cover, make sure the ground strap stays in place.
  10. Remove the housing from the cover.
  11. Remove the screws that retain the ICM to the cover.
  12. Remove the ICM from the cover.

    9f8592c.jpg
    Fig. Removing the ICM from the camshaft cover

To install:

CAUTION DO NOT wipe grease from the module or coil if the same module is to be replaced. If a new module is to be installed, a package of silicone grease will be included with the module. Spread the grease on the metal face of the module and on the cover where the module seats. This grease is necessary for module cooling.
  1. Install the ICM to the cover.
  2. Install the screws that retain the ICM to the cover.
  3. Install the ground strap, if necessary.
  4. Connect the ignition coils connector to the ICM.
    CAUTION When installing the housing to the cover, make sure the ground strap stays in place.
  5. Install the housing to the cover.
  6. Install the screws that retain the housing to the cover.
  7. Install the spark plug boots and the retainers to the housing, if necessary.
  8. Install the ICM assembly to the engine while carefully aligning the spark boots to the spark plug terminals.
    CAUTION The ICM cover bolts must be installed using isolator washers with the rubber side facing down.
  9. Install the bolts that retain the ICM assembly to the camshaft housing after coating the bolt threads with LOCTITE, or equivalent. Tighten the bolts to 16 ft. lbs. (22 Nm).
  10. Connect the ICM 11 pin harness connector.
  11. Install the bolt to the fuel line retainer clip.
  12. Install the accelerator cable into the hold down clip.
  13. Install the cruise control cable, if applicable. Connect the negative battery cable.

Hope this help (remember comment and rated this).

Apr 05, 2010 | 2000 Chevrolet Blazer

1 Answer

1988 chevy s10 blazer 4.3, cut out , will srart but will not stay


Your vehicle as an ignition control module located on top of the distributor (under the cap and rotor) I would pull the ICM and take it to NAPA and have it tested if bad replace it (cost about $80). Sounds like a ICM problem or it could be the ignition switch located on the steering coloum which can't be tested but costs $20. Hope this works

Jul 15, 2009 | 2000 Chevrolet S-10

1 Answer

88 jeep cherokee icm


The ignition control module for the 1988 Jeep Cherokee is located on the ignition coil for the 4.0 L SSI, or in the distributor for the HEI system, which is easily identified by the large distributor cap. The 2.5 L Renix ignition module is located left of the battery and is integrated to the coil.

Sep 28, 2008 | 1998 Jeep Cherokee

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