Question about 2004 Ford Explorer Sport Trac

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Gem module where is the gem module located,i need to install a new one and cant find the old one to remove or get a part number?my wipers arent working and the windows and radio wont work untill the check engine light goes out. thanks,Tommy

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  • bigstick1t Nov 20, 2008

    thanks ,you just saved me a bunch of work

  • Anonymous Mar 18, 2014

    checked fuse and relays replaced gem module tried a different and adifferent wiper motor

  • Anonymous Mar 27, 2014

    trying to locate the gem module on a 2002 ford f-250 4 x 4 with a 5.4l engine

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Behind the pass side air bag

Posted on Nov 19, 2008

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1 Answer

Where is the BCM located on a 2000 lincoln navagator?


Ford , Lincoln , Mercury in that era called a GEM generic electronic module .
The generic electronic module (GEM) constantly monitors its subsystems for concerns. If a concern is found in one of the subsystems, the GEM will record the concern in the form of a diagnostic trouble code (DTC).
The ignition switch position is very important to the GEM function. Often times, erratic or unexpected GEM function can be traced to problems with these GEM inputs.
The GEM controls the following features:
  • Wipers/washers (front/rear).
  • Warning chimes.
  • Battery saver.
  • Illuminated entry and courtesy lamps.
  • Driver power window.
  • Accessory delay.
  • 4-wheel drive.
  • Heated back lite/mirror.
Generic Electronic Module (GEM) C239
Behind center of I/P
syj~tr~en~file=ani_caut.gif~gen~ref.gif CAUTION: Prior to removal of the module, it is necessary to upload module configuration information to scan tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
syj~tr~en~file=ani_caut.gif~gen~ref.gif CAUTION: Electronic modules are sensitive to electrical charges. If exposed to these charges, damage may result.

Jul 02, 2016 | Lincoln Cars & Trucks

1 Answer

Where is the relay and fuse for rear wiper located ?


The rear wiper / washers are controlled by the GEM - generic electronic module .
NOTE: The generic electronic module (GEM) will not activate the rear wiper system if either the liftgate or the liftgate glass is ajar. If either the liftgate or the liftgate glass becomes ajar while the rear wiper is in operation, the GEM will park the rear wiper motor.
There are two distinct modes of wiper operation:
  • Off Mode: In this mode, there is no rear wiper activity, and the wiper motor will be in the PARK position.
  • Interval Mode: This mode is selected when the rear wiper switch is in either the Interval 1 or 2 position. When this mode is selected, the rear wiper motor is driven up onto the glass by activating the rear wiper UP relay. When the wiper motor HIGH/LOW/PARK position input reaches the high position, the UP relay is deactivated and the DOWN relay is activated to reverse the wiper motor direction. When the wiper motor reaches the LOW position, as determined by the HIGH/LOW/PARK position input, the GEM deactivates the DOWN relay and will begin a new wiper cycle 1 to 10 seconds later, depending on the interval position selected.
Inspection and Verification
  1. The wiper/washer system is a generic electronic module (GEM) controlled system; refer to Section 419-10 .
  1. Verify the customer concern by operating the wiper/washer system.
  1. Visually inspect for obvious signs of mechanical and electrical damage.
Visual Inspection Chart Mechanical Electrical
  • Hoses to windshield washer pump
  • Wiper linkage
  • Fuses 6 (5A), 8 (5A), 15 (5A), and 20 (5A)
  • Wiring harness
  • Loose or corroded connector(s)
  • Relays
  • Motors
  • Multifunction switch
  • Washer fluid level switch
  1. If the concern remains after the inspection, connect New Generation STAR (NGS) Tester to the data link connector (DLC) located beneath the instrument panel and select the vehicle to be tested from the NGS menu. If NGS Tester does not communicate with the vehicle:
    • Check that the program card is properly installed.
    • Check the connections to the vehicle.
    • Check the ignition switch position.
  1. If NGS Tester still does not communicate with the vehicle, refer to the New Generation STAR Tester manual.
  1. Perform the DATA LINK DIAGNOSTIC TEST. If NGS Tester responds with:
    • CKT914, CKT915 or CKT70 = ALL ECUS NO RESP/NOT EQUIP, refer to Section 418-00 .
    • NO RESPONSE/NOT EQUIPPED for generic electronic module (GEM), go to Pinpoint Test M.
    • SYSTEM PASSED, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and perform self-test diagnostics for the GEM.
  1. If the DTCs retrieved are related to the concern, go to GEM Diagnostic Trouble Code (DTC) Index to continue diagnostics.
  1. If no DTCs related to the concern are retrieved, proceed to Symptom Chart to continue diagnostics. Your best bet is take this to a ASE certified repair shop !

Mar 13, 2016 | 1999 Ford Expedition

3 Answers

My f250 2003 wipers and pump dont work iv replaced switch and wiper moter fuses are good the 2 i could locate for wipers


Have you done a Probe Test on the vehicle? A Probe Light Tester can help you locate a short in your cars electrical system. To learn what a Probe Tester is and How to use it, watch the following video: https://www.youtube.com/watch?v=tXzKcEyIOq8

Dec 22, 2015 | Cars & Trucks

1 Answer

2003 ford ranger windshield wiper won't come on. Replaced fuse, relays, switch and motor. I'm lost. No sign of an SJB in this truck.


No smart junction box , GEM - generic electronic module ! this module energizes the relays in the battery junction box ! The gem module is behind the center of the dash !
Generic Electronic Module (GEM) Removal and Installation
  1. > CAUTION: Prior to removal of the generic electronic module (GEM), it is necessary to upload module configuration information to the diagnostic tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
    Depower the supplemental restraint system (SRS). For additional information, refer to Section 501-20B .
  1. Remove the radio chassis. For additional information, refer to Section 415-01 .
  1. Remove the center instrument panel finish panel.
    1. Remove the screws.
    1. Remove the center instrument panel finish panel.
    • Disconnect electrical connectors.
    • Module Controlled Functions The multifunction modules consist of the following:
      • generic electronic module (GEM)
      • central security module
      The GEM controls the following features:
      • front wiper and washer
      • warning chime
      • battery saver
      • illuminated entry and interior lighting
      • driver one-touch down power window (optional)
      • battery saver relay
      • door ajar warning indicator lamp
      • safety belt warning indicator lamp
      The central security module controls the following features:
      • remote keyless entry
      • computer-operated lock system
      • trim switch unlock inhibit
      It's more then likely to have DTC'S diagnostic trouble codes stored in it's memory !
    • B1431 Wiper Brake/Run Relay Circuit Failure GEM REFER to Section 501-16 . B1432 Wiper Brake/Run Relay Circuit Short to Battery GEM REFER to Section 501-16 . B1434 Wiper Hi/Low Speed Relay Circuit Failure GEM REFER to Section 501-16 . B1436 Wiper Hi/Low Speed Relay Circuit Short to Battery GEM REFER to Section 501-16 . B1438 Wiper Mode Select Switch Circuit Failure GEM REFER to Section 501-16 . B1441 Wiper Mode Select Switch Circuit Short to Ground GEM REFER to Section 501-16 . B1446 Wiper Park Sense Circuit Failure GEM REFER to Section 501-16 . B1450 Wiper Wash/Delay Switch Circuit Failure GEM REFER to Section 501-16 . B1453 Wiper Wash/Delay Switch Circuit Short to Ground GEM REFER to Section 501-16 . B1458 Wiper Washer Pump Motor Relay Circuit Failure GEM REFER to Section 501-16 . B1460 Wiper Washer Pump Motor Relay Circuit Short to Battery GEM REFER to Section 501-16 . B1462 Safety Belt Switch Circuit Failure GEM REFER to Section 413-09 . B1466 Wiper Hi/Low Speed Not Switching GEM REFER to Section 501-16 . B1473 Wiper Low Speed Circuit Motor Failure GEM REFER to Section 501-16 . B1476 Wiper High Speed Circuit Motor Failure GEM REFER to Section 501-16 Your wipers do not work at all ? did you check this fuse Central Junction Box (CJB) fuse 16 (30A)
      • The wipers are inoperative
      • Central junction box (CJB) fuse:
        • 16 (30A)
      • Circuitry.
      • GEM.
      • Multifunction switch.
      • Wiper run/park relay.
      • Wiper HI/LO relay.
      • Wiper motor.
      • GO to Pinpoint Test A .
      Before replacing parts you need to test , check for codes !

Mar 09, 2015 | Ford Cars & Trucks

1 Answer

I have a 200 f 350 super duty. the dome lights and the windshield wipers along with the 4 wheel drive have quit working. All the fuses are good. Someone told body control module. Would that cause these...


Hi,
Did you also check fuses on fuse panel in the engine compartment? GEM/ body module could be the cause. It is mounted on the back of the interior fuse panel. If you have had alot of rain in the past few days, you may have gotten water in the gem module and interior fuse panel. I would remove the 2 large connectors located on the bottom back of the interior fuse panel (they are held in with 2 10mm bolts) and see if there is water present. If there is water then you will need to replace the fuse panel and gem module that is mounted to it. But first fix the water leak which is most likely the windshield or cab visor if you have one installed. If you don't find wet connectors then the gem/ body module is a safe bet since it does control all the things you mentioned.
Hope this helps

Apr 01, 2010 | 2000 Ford F350 Super Duty Super Cab

1 Answer

Power winidows, wipers, dome lights not working on 1998 explorer


This could be a combination of electrical issues, although i feel that the timing is coincidence in this case. When the combination is elec. windows, wipers, and dome lights this is indicative of the GEM module located behind your radio. The GEM (generic electronic module) is an electronic body control module that regulates electrical flow through a number of accessories.

These factory module boards are notorious for acting quirky by failing to ground intermittently until failing completely. I would be cautious in replacing ignition switches, locks, etc. as the issue can be also compounded by corrosion of the main battery ground wire in the engine compartment and which can cause frying of your under dash wiring into the main wiring harness which can get expensive (i speak from experience having had the exact same syptoms). My issues were that these symptoms occurred only in full ON. When in key BACK ACC mode, they disappeared.

New price for one of these modules is around $280-$300 and easily replaced.

Good Luck

May 17, 2009 | 1995 Ford Explorer

1 Answer

All windows will not work on my 2005 ford taurus


2002 taurus. don't have 2005. Sorry.

Could be your GEM module. Call your dealer and ask if your 2005 has GEM module. It's expensive so be sure it is problem first.

Dealer can test with NGS tool.

CAUTION: Once the new module is installed, it is necessary to download the module configuration information from the diagnostic tool equipment into the new module. For additional information, refer to Section 418-01 .

Principles of Operation
The generic electronic module (GEM) constantly monitors its subsystems for concerns. If a concern is found in one of the subsystems, the GEM will record the concern in the form of a diagnostic trouble code (DTC).
The ignition switch position is very important to the GEM functionality. Erratic or unexpected GEM functions can often be traced to problems with these ignition GEM inputs.
The GEM controls a variety of systems:
  • windshield wipers
  • courtesy lamps
  • warning chimes
  • keyless entry
  • interior and exterior lamps
  • power windows
  • parking brake actuator warning chime
Inspection and Verification
  1. Verify the customer concern by operating the system.
  1. Visually inspect for obvious signs of mechanical and electrical damage.


Visual Inspection Chart Electrical
  • Central junction box (CJB) fuse 216 (15A)
  • Damaged wiring harness
  • Loose or corroded connector(s)
  • Circuitry
  • Generic electronic module (GEM)

Mar 27, 2009 | 2005 Ford Taurus

1 Answer

I have a 2003 Ford Taurus it got wrecked on the driver side I had to replace the driver side door. When I replaced it the power windows on all the doors and dome light won't work now. Any help.


I think you may have lost communication with the GEM module. Only dealer can reestablish.
Generic Electronic Module (GEM) Removal and Installation
  1. s2h~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Prior to removal of the module, it is necessary to upload module configuration information to the appropriate diagnostic tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
    s2h~us~en~file=ani_caut.gif~gen~ref.gif CAUTION: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage may result.
  2. ---------------------------------------------------------------------
Module Controlled Functions NOTE: Prior to removal of the generic electronic module (GEM), it is necessary to upload module configuration information to the diagnostic tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
NOTE: Electronic modules are sensitive to electrical charges. If exposed to these charges, damages may result.
The generic electronic module (GEM) is the only multi-function module on this vehicle.
The GEM constantly monitors its subsystems for concerns. If a concern is found in one of the subsystems, the GEM will record the concern in the form of a diagnostic trouble code (DTC).
The ignition switch position is very important to the GEM functionality Erratic or unexpected GEM functions can often be traced to problems with these GEM inputs.
The GEM controls a variety of systems:
  • instrument cluster warning indication and chimes
  • interior courtesy lamp control
  • automatic headlamp control
  • daytime running lamps (DRL)
  • wiper and washer (front only)
  • heated rear window
  • one-touch down power window
  • delayed accessory
  • power door locks (including SMART, autolocking and luggage compartment lid release)
  • remote keyless entry
  • perimeter anti-theft

Mar 06, 2009 | 2003 Ford Taurus

1 Answer

2005 FORD ESCAPE


it's by the gas pedal.

The multifunction module consists of the generic electronic module (GEM).
The GEM controls the following features:
  • interval rear window wiper
  • battery saver
  • illuminated entry
  • headlamp control
  • interior lamp control
  • power door locks
  • remote keyless entry (RKE)
  • accessory delay
  • perimeter anti-theft system
  • door ajar output control
Generic Electronic Module (GEM) 2003 escape Removal and Installation
  1. NOTE: Prior to removal of the GEM, it is necessary to upload module configuration information to a diagnostic tool. This information needs to be downloaded into the new module once installed. For additional information, refer to Section 418-01 .
    Disconnect the battery ground cable. For additional information, refer to Section 414-01 .
  1. Remove the pin-type retainer and the lower shield.
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  1. Position the RH and LH carpet aside from the center tunnel.
  2. Disconnect the GEM electrical connectors.
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  1. Remove the GEM
    1. Pull back the insulation and remove the nuts.
    1. Remove the GEM.
  2. To install, reverse the removal procedure.
    • Configure the GEM. Refer to Section 418-01 .

Feb 06, 2009 | 2003 Ford Escape

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