Question about 1999 Mercury Grand Marquis

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Intermittent/park relay for the wipers, where is this part located? Is it an expensive part, more than $100.00? Can I replace it myself or is it complicated? Thanks for your help?

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Should be under the bonnet (hood) where all the fuses & relay's are.

Part should be less than $50

Yes, you should be able to replace it yourself once you have located the correct relay.

Posted on Dec 13, 2008

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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

I have a 2009 gmc sierra, where is the wiper relay location.


The PCB wiper relays are soldered directly to circuit board inside the under hood fuse box.
The windshield wiper/washer switch signal circuits are inputs to the body control module (BCM) and the BCM controls wiper motor low speed operation, washer pump and high speed operation. The windshield wiper/washer switch is provided a low reference from the BCM and each of the switch signal circuits is supplied 12 volts through a resistor and monitored within the BCM. During LOW or INTERMITTENT operation the wiper switch low signal circuit is closed to the low reference circuit through a series of resistors within the switch assembly and the signal circuit voltage monitored by the BCM will depend on the switch contact location to the resistor assembly. During HIGH or WASH operation the high and wash switch signal circuits are closed directly to the low reference circuit within the switch assembly and nearly all the signal circuit voltage will be dropped across the BCM resistors. The BCM controls the wiper motor through the WIPER CONTROL PCB Relay and the WIPER SPEED PCB Relay. During any wiper motor function that uses low speed the BCM supplies the voltage to energize the WIPER CONTROL PCB Relay and battery voltage will be supplied from the WIPER CONTROL PCB Relay through the de-energized WIPER SPEED PCB Relay to the wiper motor low speed control circuit. During high speed wiper motor operation the WIPER CONTROL PCB Relay is energized as in low speed and the BCM provides a ground to energize the WIPER SPEED PCB Relay and the battery voltage is supplied to the wiper motor high speed control circuit. Wiper motor park operation is controlled by the BCM using an input from the park switch within the wiper motor assembly. The BCM supplies the park switch signal circuit 12 volts through a resistor then monitors the circuit. Whenever the wiper motor is out of the park position the park switch signal circuit is closed to ground and nearly all the signal circuit voltage will be dropped across the BCM resistor. When the wiper switch is turned to the OFF position while the wiper motor is somewhere in mid-cycle, the BCM will continue to operate the motor until the wipers reach the park position. If the ignition is turned OFF while the wipers are in mid-cycle, the wipers will stop immediately where they are and the BCM will park the wipers the next time the ignition is cycled ON.

DTC B3715 02: Front Wiper Relay Drive Circuit Short to Ground
DTC B3875 00: Wiper High Speed Relay Circuit
DTC B3922 00: Front Wiper Function Select Circuit
Have it checked for DTC'S - diagnostic trouble codes .

The body control module (BCM) controls the wiper motor based on input from the windshield wiper washer switch. The BCM monitors the wiper washer switch through three separate signal circuits and a ground circuit. The windshield wiper switch high signal circuit is used to determine high speed wiper operation, the windshield wiper switch low signal is used to determine low speed, intermittent, and mist operation through the use of a resistor ladder, and windshield washer switch signal circuit is used to determine washer operation.
The BCM controls the windshield wiper motor through two output controls, controlling two relays which determine the desired wiper speed, high or low.
Your best bet , take your vehicle to a qualified repair shop or dealer . Hooking up a factory scan tool to see what the wiper switch inputs to the BCM are correct and outputs to relays are good .

Feb 11, 2017 | GMC Cars & Trucks

1 Answer

2005 ford escape wiper and washer has no power. cant hear it engage when on but was working a week ago. how can i troubleshoot it and find the fuse


Hi Justin , Do you know what a SJB - smart junction box is and where it is located on you escape ?
Windshield Wiper Operation
The smart junction box (SJB) supplies power to the multifunction switch from the SJB fuse 25 (20A) when the ignition switch is in the ON or ACC position. The multifunction switch supplies power to the windshield wiper motor for the HIGH or LOW/INTERMITTENT input, depending on the multifunction switch position selected. The SJB also supplies power directly to the windshield wiper motor from fuse 25 (20A) when the ignition switch is in the ON or ACC position for RUN/PARK operation. When the multifunction switch is in the LOW, HIGH, or INTERMITTENT position, power is supplied to the windshield wiper motor, which moves the wipers off the park position. Once the wipers are off the park position, an internal switch in the windshield wiper motor switches to the run/park position which directs power to the wiper switch then back to the wiper motor. This maintains power to the windshield wiper motor to complete the wipe cycle. When the cycle is complete, the internal switch in the windshield wiper motor switches back to the park position. If the multifunction switch is in the LOW or HIGH position, power is supplied from the multifunction switch and another wipe cycle starts. If the multifunction switch is in the INTERMITTENT position, the windshield wipers remain parked until the internal relay in the multifunction switch supplies power to the windshield wiper motor. The internal relay supplies power after a time delay that is determined by the 1 of 9 intermittent switch settings.

Jan 08, 2017 | 2005 Ford Escape

1 Answer

Replaced wiper motor now intermittent wipers wont work and will not return to park possition


Intermittent wipers are on a seperate relay and fuse. Hope this helps.

Apr 04, 2015 | Cars & Trucks

1 Answer

Wipers park at random locations during intermittent operation


the wiper motor does have a return to park function

Jan 20, 2013 | 2000 Ford Windstar

2 Answers

I have a 93 explorer the wipers won.t work except on high i replaced the wiper motor and themultifunction switch still the same problem


I have a 95 explorer ... intermittent wiper and park not working. Hi and low works good. I replaced wiper run/park relay (R3146) Advance Auto Parts. Location underhood power distribution box left side outboard of brake fluid reservoir.

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Apr 14, 2011 | 1993 Ford Explorer Limited

1 Answer

What relays are there for the intermittent wipers and where are they located on a 1999 Ford Taurus?


the intermitent works off of the (gem) generic electronic module which controls the wipers. if wipers working except the delay cycle replace the module. the relays are located in the engine compartment . wiper park relay- wiper hi-lo relay- washer motor relay. fuse in fuse panel under driver side dash panel.

Nov 19, 2010 | 1999 Ford Taurus

1 Answer

Wipers won't stop wiping.


Sounds like your intermittent wiper circuit is defective. Normally the intermittent feature is engaged by one of the functions on the multi-function switch (usually on the steering column). The circuit of the intermittent wiper periodically activates a relay that closes across the "Wiper On" switch. Your intermittent wiper circuit is likely defective and holding its relay closed (or the relay is stuck closed), thereby keeping the wipers on. Note: The wiper motor has an internal switch that opens when the wipers are in the park position and that is designerd to stop the wipers in the park position. When you turn on the wipers (or the intermittent relay is closed), the motor's internal switch is shunted such that the wiper does not stop at the park point of the cycle.

Apr 27, 2009 | Ford Explorer Cars & Trucks

2 Answers

Wipers do not work in intermittent position. They do work in low and high speeds but do not automatically return to the park position. They stop wherever you turn the switch off.


i belive that your wiper switch has gone out on the intermittent side. this is a very common problem.
I hope this helps you
Thanks
Please leave rating

Apr 21, 2009 | 2000 Isuzu Amigo

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