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Where is the combination flasher or modular for a 2002 jeep Cherokee laredo and what does it do

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Larry Ng

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  • Jeep Master
  • 5,950 Answers

There is no 02 cherokee in USA< so you in EUROPE that it posting to USA forums lacking this car? here it is called. Liberty or Grand cherokee, is yours really a GRAND>? with V6 engine , none told.
no engine told.
wiki shows: The Jeep Liberty, or Jeep Cherokee (KJ/KK) outside North America,
so will answer for LIBERTY! IN USA, only ,I do not do outside USA for anyone, learn that cars are never the same world wide, ever.

what is the goal here, why leave that out????????????????
first do not assume any car has such a thing, do not.
the device is really 1 or 2 things
one is BLINKER< a.k.a as flashers
the the other is emergency flashers, some are all in one.
so let me look yours up.
i have jeep books fast. here at home. and alldata.com account.
had 1999 cherroke once and a 2002 wangler, (08 now)
I am jeep guy, 2002 was the last best year for any jeep never sell it.
after that date jeep burried the car in endless computers and worse MARRIED so can not be touched by mortal man. (DIY)
i will not RTM read your manual to you.

the only reasons to ask this is for :
blinker acting odd
or adding tailer wiring,
no idea me what you are doing at all, so I answer blind as a bat best I can.
where is it. on newer cars the cars computers do the flashging
not some module.
ours works this way.

alldata.com lighting ,external + turns
ours has 9 pin flasher module
and is control buy the lever stalk (L/R) blinker on steering column
and by BCM computer, for emergancy mode.
now where is it, again USA)
the schematic states it is in the J/B (junction box)
did you lose the glove box operators guide that tells you all this fuse box stuff??????
the JB at driver left ankle up wards has 2 sides and both sides must be looked at to find all modules of this kind
just looked in my JEEP PDF bucket, and bingo 2002 liberty there.
here is what it tells there.
verbatim quotes:

Combination Flasher - An electronic combination
flasher is integral to the hazard warning switch
in the center of the instrument panel.
COMBINATION FLASHER
DESCRIPTION
The combination flasher for this model is integral
to the hazard switch located in the center of the
instrument panel, just above the radio.
The combination
flasher is a smart relay that functions as both
the turn signal system and the hazard warning system
flasher. The combination flasher contains active
electronic Integrated Circuitry (IC) elements. This
flasher is designed to handle the current flow
requirements of the factory-installed lighting. If supplemental
lighting is added to the turn signal lamp
circuits, such as when towing a trailer with lights,
the combination flasher will automatically try to
compensate to keep the flash rate the same.
The combination flasher cannot be repaired or
adjusted and, if faulty or damaged, the hazard switch
unit must be replaced.

----------------------------------?-----------------------
if your question was how to diagnose it
that be a 100% different answer and no problem even stated by you..
page 471 out of 2033 pages covers this this moduels replacement.
and Air BAD dangers many. (do not fool with those , ok)


step 1
did you scan the PCM with any OBD2 scan tool to see if there are DTC error related to your unstated issues?
that is first, not finding models. sorry./

Posted on Feb 28, 2020

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5 Related Answers

Anonymous

  • 1 Answer

SOURCE: 2002 jeep cherokee laredo

the only problem that vehicle has is with cooling fans is relay/module or electrical harness to module that burns up located behind and under right front headlamp assy must remove headlamp to access relay/module that is what powers up fan motor module assy.

Posted on Aug 10, 2008

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garyq1970

Gary Queen

  • 85 Answers

SOURCE: change water pump

If you have any questions feel free to ask. Let me know if you dont get diagrams(happens sometimes)

0900c1528004319d.jpgReverse rotation water pump—2.5L and 4.0L engines

  1. Before servicing the vehicle, refer to the precautions in the beginning of this manual.
  2. Drain the cooling system.
  3. Remove or disconnect the following: NOTESome 4.0L engines are equipped with a fan clutch that threads Directly on to the water pump shaft. This fan clutch is equipped with right-hand threads. NOTEDo not store the fan clutch assembly horizontally, silicone may leak into the bearing grease and cause contamination. NOTEOne of the water pump bolts is longer than the others. Note the location for reassembly.
    • Negative battery cable
    • Electric cooling fan connector
    • Accessory drive belt
    • Engine cooling fan and pulley
    • Water pump pulley
    • Power steering pump
    • Lower radiator hose from the water pump
    • Heater hose
    • Water pump and discard the gasket
To install:
  1. Clean the mating surfaces of all gasket material.
  2. Install or connect the following:
    • Water pump using a new gasket. Torque the bolts to 17 ft. lbs. (23 Nm).
    • Heater hose
    • Lower radiator hose
    • Water pump pulley. Torque the bolts to 20 ft. lbs. (27 Nm).
    • Power steering pump
    • Engine cooling fan and shroud. Torque the bolts to 31 inch lbs. (3 Nm).
    • Accessory drive belt
    • Electric cooling fan connector
    • Negative battery cable
  3. Fill and bleed the cooling system.
  4. Start the engine, check for leaks and repair if necessary.
3.7L Engine
  1. Before servicing the vehicle, refer to the precautions in the beginning of this manual.
  2. Drain the cooling system.
  3. Remove or disconnect the following:
    • Negative battery cable
    • Fan and clutch assembly from the pump
    • Fan shroud and fan assembly. If you’re reusing the fan clutch, keep it upright to avoid silicone fluid loss!
    • Lower hose
    • Water pump (8 bolts)
  4. Installation is the reverse of removal. Tighten the bolts, in sequence, to 40 ft. lbs. (54 Nm). 0900c1528004319e.jpgWater pump tightening sequence—3.7L

Posted on Nov 15, 2008

motor1258

Mike Butler

  • 6674 Answers

SOURCE: I need a diagram as

Have a look down by steering column near where diagnostic connector is.

Posted on Jan 11, 2009

AzVip

  • 114 Answers

SOURCE: 2002 wj jeep grand cherokee p1756

The governor pressure sensor is the most likley cause however an inspection of fluid or debris in trans pan would be a good idea to make sure there's nothing excessive in it. Attached is a list of possible causes however the senor would be the most common.

POSSIBLE CAUSES

  • Powertrain control module
  • 5 volt supply circuit open
  • Check transmission fluid level and condition
  • GOV press sensor signal circuit shorted to voltage
  • GOV press sensor signal circuit shorted to sensor ground
  • GOV press sensor signal circuit shorted to ground
  • GOV pressure sensor signal circuit open
  • Sensor ground circuit open
  • GOV press sensor signal circuit shorted to voltage inside transmission
  • 5 volt supply circuit open inside transmission
  • Intermittent governor pressure solenoid
  • Internal transmission problem
  • Oil burnt or oil pan has excessive debris
  • Other transmission DTC'S
  • GOV press sensor signal circuit shorted to sensor ground inside transmission
  • Valve body
  • GOV press sensor signal circuit shorted to ground inside transmission
  • GOV press sensor signal circuit open inside transmission
  • GOV press sensor ground circuit open inside transmission
  • Governor pressure sensor (high)

Posted on Mar 26, 2009

Anonymous

  • 5 Answers

SOURCE: 2002 jeep grand cherokee fan not working?????

Replace the fan relay switch. The dealer will charge you 400 to pull the bumper off, or you can buy the part for 45 and cut the hole in the plastic near the passenger headlight assembly and replace it yourself. There are instructions for this procedure on the web somewhere. I have had this problem more than once with my 02 GC V6.

Posted on Aug 10, 2009

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