Question about 2000 Ford Expedition

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Gem module 2000 expedition

I am getting windshield re sealed after that, do i have to replace module

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  • Anonymous Feb 25, 2009

    I have an '01 Navigator that every time it rains, it won't start because water leaks into the cabin onto the GEM Module. FORD will not fix it.

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  • Ford Master
  • 76,848 Answers

Has water intruded into the module? if so yes

Posted on Sep 16, 2008

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Posted on Jan 02, 2017

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1 Answer

Wiper control module location on a 2000 f250


Did you check the wiper relay's in the under hood fuse box ? There are two ,wiper run/park relay & wiper high low relay ! Also ,did you check fuse's ? fuse # 11 - 30amp location cental juction box . The wiper switch is a input to the GEM module . Generic electronic module . The module in most cases isn't the problem ! Learning how to test these electronic systems is , people do not know how to test so they just replace parts . What they should do is take the vehicle to ford certified Technician who has the knowledge and testing equipment to find an fix it .

The generic electronic module (GEM) receives inputs from the following:
  • multifunction switch
  • anti-lock brake control module (vehicle speed signal [VSS])
  • ignition switch
The GEM uses these inputs to control the outputs to the following:
  • windshield wiper high/low relay
  • windshield wiper run/park relay
  • windshield washer relay
  • rear wiper motor relay
  • rear window washer relay

  • GEM Diagnostic Trouble Code (DTC) Index DTC Description Source Action B1240 Wiper Washer Rear Pump Relay Circuit Failure GEM GO to Pinpoint Test K . B1241 Wiper Washer Rear Pump Relay Circuit Short to Battery + GEM GO to Pinpoint Test K . B1342 ECU is Defective GEM CLEAR the DTCs. REPEAT the GEM self-test. If DTC B1342 is retrieved, INSTALL a new GEM. REFER to Section 419-10 . B1431 Wiper Brake/Run Relay Circuit Failure GEM If the windshield wipers are inoperative, GO to Pinpoint Test B .
    If the windshield wipers stay on continuously, GO to Pinpoint Test C . B1432 Wiper Brake/Run Relay Circuit Short to Battery GEM GO to Pinpoint Test B . B1434 Wiper Hi/Low Speed Relay Coil Circuit Failure GEM GO to Pinpoint Test D . B1436 Wiper Hi/Low Speed Relay Coil Circuit Short to Battery GEM GO to Pinpoint Test D . B1438 Wiper Mode Select Switch Circuit Failure GEM If the windshield wipers are inoperative, GO to Pinpoint Test B .
    If both the windshield and rear window wipers are inoperative, GO to Pinpoint Test L . B1441 Wiper Mode Select Switch Circuit Short to Ground GEM GO to Pinpoint Test C . B1446 Wiper Park Sense Circuit Failure GEM If the intermittent windshield wiper speed does not operate correctly, GO to Pinpoint Test E .
    If the speed dependent interval mode does not operate correctly, GO to Pinpoint Test G .
    If both windshield and rear wipers are inoperative, GO to Pinpoint Test L . B1450 Wiper Wash/Delay Switch Circuit Failure GEM If the intermittent windshield wiper speed does not operate correctly, GO to Pinpoint Test E .
    If the wash and wipe function does not operate correctly, GO to Pinpoint Test F .
    If both the windshield and rear wipers are inoperative, GO to Pinpoint Test L . B1453 Wiper Wash/Delay Switch Circuit Short to Ground GEM If the windshield wipers stay on continuously, GO to Pinpoint Test C .
    If the wash and wipe function does not operate correctly, GO to Pinpoint Test F . B1458 Wiper Washer Pump Motor Relay Circuit Failure GEM GO to Pinpoint Test F . B1460 Wiper Washer Pump Motor Relay Coil Circuit Short to Battery GEM GO to Pinpoint Test F . B1473 Wiper Low Speed Circuit Motor Failure GEM If the windshield wipers are inoperative, GO to Pinpoint Test B .
    If the windshield wipers do not operate at high or low speed correctly, GO to Pinpoint Test D .
    If the intermittent windshield wiper speed does not operate correctly, GO to Pinpoint Test E . B1475 Accessory Delay Relay Contact Short to Battery GEM REFER to Section 501-11 . B1476 Wiper High Speed Circuit Motor Failure GEM If the windshield wipers are inoperative, GO to Pinpoint Test B .
    If the windshield wipers do not operate at high or low speed correctly, GO to Pinpoint Test D .
    If the intermittent windshield wiper does not operate correctly, GO to Pinpoint Test E . B1611 Rear Wiper Mode Switch Circuit Failure GEM GO to Pinpoint Test H . B1614 Rear Wiper Mode Switch Circuit Short to Ground GEM GO to Pinpoint Test I . B1820 Rear Wiper Motor Up Relay Circuit Short to Battery + GEM GO to Pinpoint Test H . B1839 Rear Wiper Motor Circuit Failure GEM GO to Pinpoint Test H . - All other DTCs. GEM REFER to Section 419-10

Jun 06, 2017 | Ford F-250 Cars & Trucks

1 Answer

2000 Ford Expedition, Lights won't time out


You either have a windshield leak & water in the
delayed relay & or the GEM Module failed

If only the lights are effected & not the radio,
blower,interior lights- the the GEM is most likely
okey

Then you trouble shoot the main problem

Try Google There is an overwhelming amount of ford
problems you can read

Feb 13, 2013 | 2000 Ford Expedition

1 Answer

What is the GEM module, how does it apply to the power locks, and how much do they cost? My power locks keep trying to lock and unlock on my 2000 Expedition. Saw a post that said that the GEM module needs...


before, you wamt to replace the module that you said. Can you try this simple thing ,check the power door lock relay. The lock relay block located behind the right side of the instrument . hope this can help.

May 07, 2010 | 2000 Ford Expedition

2 Answers

Ford Expedition-gearshift stuck in park. At same


General Electical Module is out or going out. May be cause from leaking windshield causing water to get into it.

Nov 24, 2009 | 2001 Ford Expedition

1 Answer

WENT TO CRANK AN 2000 EXPEDITION IT HAD RAIN OVERNIGHT, LIGHTS CAME ON TRUCK CRANK RIGHT UP THEN THE HEADLIGHTS STARTED FLICKERIING AN POWER SURG STARTED AND A VERY LOAD CLICKING LIKE HITTING TIN WITH A...


this vech was famous for the windshield leaking on the driver side lower part of windshield.. and the water drips onto the gem module and inside fuse panel and can cause may electrical problems.. a good way to tell is remove the 2 big connectors with a 10mm socket and inspect for any water in connector or where connector came from

Mar 02, 2009 | 2000 Ford Expedition

1 Answer

On my 2000 expedition when it rain heavy the headlights comes on without the truck being,aswell as the dash indicator lights.What is causing this freak of nature lighting?


Most likely water leak around windshield on the left side dripping down into the GEM module which is located on the back side of the interior fuse panel/

Feb 28, 2009 | 2000 Ford Expedition

1 Answer

GEM module replacement


try a salvage yard that has an expedition or an f150 pickup and take the parts off and install in yours disconnect the negative side of the battery and you shouldn't have to have it reprogrammed

Jan 21, 2009 | 2000 Ford Expedition

2 Answers

2000 navigator radio coming on with truck off lights going on


there is a short in the radio it self replace it

Nov 27, 2008 | 2000 Lincoln Navigator

3 Answers

2000 ford expedition eddie brauer edition - starts by itself


your problem is caused by water leaking through teh windshield onto the fuse panel and what is called a gem (generic electronic module) have the windshield resealed

Jun 04, 2008 | 2000 Ford Expedition

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