Question about 1990 Pontiac Trans Sport

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The door locks are temperamental and even more disturbing is that the window shield wipers work at times and yet do not at others.

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For the door locks,the problem is that they need lubrication so take off the door panels and spray them up good with a lubricant like WD-40.
Now for the wipers being intermitant,when they do not work next time leave the switch on and tap the wiper motor with a light hammer.If they work replace the motor,if they do not replace the switch!

Posted on Aug 05, 2010

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Posted on Jan 02, 2017

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1 Answer

What relay under the rear seat in a 2007 chevy trailblazer run the rear lock and wiper motor?


None < LGM - liftgate control module inside the lift gate does .
Rear Wiper/Washer System Components
The rear wiper/washer system consists of the following components:
• Rear window wiper motor
• Rear washer pump
• Rear wash relay
• Rear wiper/washer switch
• RR WIPER Circuit Breaker 15A / ENDGLASS REG Circuit Breaker 30A
• WASH 20A fuse
• Body control module (BCM)
• Liftgate control module (LGM) / End gate module (EGM)

Your best bet , take it to a qualified repair shop. You have no idea of the complexity of these system's . Communication network between modules etc..... Could have DTC'S diagnostic trouble code's stored in the liftgate control module . An auto parts stores can not read these codes .

Power Door Lock Operation
The power door lock switches are integral components of the DDM and PDM. The switches are two position normally open rocker switches. When placed in either the lock or unlock positions, the switches provide a direct input to the DDM or PDM. The DDM or PDM monitors these inputs and sends a Class 2 message indicating a change in the switch's respective position. Modules which activate the power door lock motors receive the Class 2 message and activate the motor in the appropriate direction to lock or unlock the vehicle's doors and liftgate. The modules which activate the power lock motors are:
• DDM (driver door lock actuator).
• PDM (passenger front door lock actuator).
• BCM (both rear door lock actuators).
• LGM (liftgate door lock actuator).
The DDM, PDM and LGM are directly connected to the respective door lock actuator through the door lock motor lock and unlock circuits. Once a door lock or unlock request has been received, the module will supply battery voltage to one side of the actuator and ground the other causing the doors to lock or unlock.

May 20, 2018 | Chevrolet TrailBlazer Cars & Trucks

2 Answers

I have a golf 5, my rear right door doesn't lock.....all other 3 doors would lock.....


it could be the lock solenoid. if you can lock manually. then it would be this. but there is 2 ways it could have stopped working one is the solenoid is warn out other is the wires in the B post to the door in the rubber shield have snapped. on some occasions it could even be the plastic clip that holds the rod on the solenoid has come off, this would make the pin fall out and the central locking will not work only manual, and even in some cases the manual will not work if its come off at other end of the pin. usually slamming the door does this.

Apr 21, 2018 | Volkswagen Golf Cars & Trucks

1 Answer

2008 Malibu power windows, interior lights, door locks, wipers, turn signals don't work. Problem started with window not going up or down. Replaced the switch. it worked for a short time then a different...


if one side and then other is prob. your body sides electric harness or ECU/ECM = cheap at and auto wreckers..easy to install if easy to get too! Replace your fuses first even if they look good..

Oct 02, 2013 | Cars & Trucks

1 Answer

02Ford Taurus windows windshield wipers locks wont work


Sounds like the wire you used for power was oon the circut for all those other things, or if you pulled the fuse box down to hook radio up through the fuse box, you may have grounded out some wires, or knocked them loose. Use a test light or voltmeter and make sure you have power at the fuse box for wiper,dashlight, trunk release, door lock fuses.

Mar 09, 2013 | 2002 Ford Taurus

1 Answer

Lights, locks, wipers not working 2001 Dodge Durango R/T


Your Durango possibly needs a CTM or Central Timing Module. The module is located behind the kick panel down by the drivers feet on the left.

The repair commands a ~$500 price for parts and labor, and they will need both your remote fobs to program them to the system.

Jun 17, 2010 | 2000 Dodge Durango

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Power door locks wind shield wipers interior dome lights out in 2000 v6 mustang. #3 relay?


The wipers will not work on my 2000 mustang. I checked the fuse and i wasnt blown.

Dec 08, 2009 | 2000 Ford Mustang

3 Answers

Power door locks not working on 1998 honda accord lx


I promise this works 'cause I used it:


Put the key in the ignition, move the intermittent wiper control to the middle possition and then turn the key on.

just to clarify it's the ring that controlls the intermittent wiper speed and not the int / low/ high switch.


What this does is it resets the multiplex unit that controlls the accessories such as the power door locks. This problem usually happens once the battery has been removed or disconnected and reconnected. Every once in a while the multiplex systems lock up. Especially on the 98s. That's how you wake em up.

Nov 28, 2008 | 1998 Honda Accord

1 Answer

NO WIPERS CENTRAL LOCKIN OR WIPERS


I have the same problem - Drivers door windows wing mirrors and drivers door lock not working also air bag light on. The car has been to a BMW specialist for over a week as the drivers door dead locked.
The mechanic used his diagnostic gadget which showed a problem with the drivers door. All other doors windows locks work except drivers door. Has check the power supply to the drivers door switch all ok. Is the problem with this internal window control switch and how does this affect the drivers door lock?
Please Please help

Aug 25, 2008 | 1989 BMW 5 Series

9 Answers

Power door lock not working


move the wiper speed control sounds crazy i know but it woked.

Jul 07, 2008 | 1998 Honda Accord

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