Question about 1996 Jeep Grand Cherokee

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Rear door remote lock was intermittent, now inop. maybe a loose wire? how difficult to troubleshoot?

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This is actually a common problem. You should just change the actuator but first i would open it up and clean it out with some isopropyl alcohol then from there spray some amzoil mp on the moving parts to lubricate them. if you need to replace it here is the part. If you need further assistance please let me know. Thanks, Midwest-tek

Posted on Aug 31, 2010

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Posted on Jan 02, 2017

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My cts 2005 wont start but it will crank


private sale or from a used car lot if from lot call and advise should have a limited warranty ---if private call and ask about non start --try to get vehicle scanned and check for any codes previous may have cleared codes to make sale --check fuses/relays -if have starter fluid give shot if starts check fuel pump -possible fuel filter-if pump good will need to check ignition system ,check for spark,and or certain sensors like the crank position sensor------- the following post is from caddyinfo forum Subject: Multiple Electrical System Malfunctions, Engine Will Not Start, Engine Will Not Shutdown, IP Gauges/Lighting Inoperative, Radio Inoperative, HVAC Display Erratic, Loss of Rear Door Functions (Inspect Both Rear Door Harnesses and Repair, if Necessary)
Models: 2005 Cadillac STS
Built Between and Including VIN Breakpoints 50112423 and 50133076
Attention: This inspection should be performed on all vehicles currently in your inventory prior to sale or delivery.
--------------------------------------------------------------------------------
Condition
Some customers may comment on one or more of the following conditions:
• Engine Will Not Start
• Engine Will Not Shutdown
• IP Gauges/Lighting Inoperative
• Radio Inoperative
• HVAC Display Erratic
• Loss of Rear Door Window/Lock Functions
These conditions may occur intermittently.
Cause
These conditions may be caused from the rear door wiring harness being misrouted causing the harness to contact the metal door bracket. This contact may cause a rub through to the wires enclosed in that harness.
Correction
Inspect both rear door wiring harnesses. Repair any damaged wires and reroute harness to correct location. Use the procedure listed below.
Make sure the ignition is off.
Remove both the rear door trim panels. Refer to the Side Rear Door Trim Panel Replacement procedure in the Doors sub-section of the Service Manual (SI Document ID #1465575).
********
2005 STS electrical problem NO START

Jul 19, 2016 | 2005 Cadillac CTS

1 Answer

1998 Continental; remote door lock intermittent using both fobs. Problem?


All of the locks don't function at times or just one door? If it is just one door the lock actuator is likely defective or the wiring harness to the door has a broken wire inside the wire insulator that runs through the rubber convoluted tube from the body to the door.

Feb 25, 2012 | 1998 Lincoln Continental

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The door unlock is inoperative for all doors except the driver's door, both in the remote key mode and the keypad mode. I can punch in the access code and include all four doors, but only the driver's door...


I have had this problem before and it was the wiring harness where it goes throught the door to the door post frame. Over time the flexing of the wiring harness by pening and closing the door can cause the wires to break. Not sure if this is you problem but it sure sounds familure

Mar 28, 2010 | 1997 Lincoln Town Car

1 Answer

Door lock not working on the drivers side. 1999 Ford Explorer. Need wiring diagram and how to remove the parts.


Visual Inspection Chart Mechanical Electrical
  • Binding latches
  • Door lock cylinder
  • Misaligned door
  • Lock actuator
  • Fuse
  • Relays
  • Switch
  • Wiring harness
  • Loose or corroded connections
Symptom Chart Condition Possible Sources Action
  • The door lock is inoperative
  • Circuitry.
  • Power door lock actuator (218A42).
  • GO to Pinpoint Test A .
PINPOINT TEST A: THE DOOR LOCK IS INOPERATIVE CONDITIONS DETAILS/RESULTS/ACTIONS A1 CHECK THE OPERATION OF THE SUSPECT DOOR LOCK sxn~us~en~file=box1.gif~gen~ref.gifCheck for binding or stuck conditions by manually operating the inoperative door lock.
  • Is the lock stuck or binding?
sxn~us~en~file=arrow.gif~gen~ref.gifYes REPAIR or REPLACE the binding components. TEST the system for normal operation.
sxn~us~en~file=arrow.gif~gen~ref.gifNo GO to A2 . A2 CHECK THE POWER DOOR LOCK ACTUATOR FOR LOCK OPERATION — CIRCUIT 117 (PK/BK) sxn~us~en~file=box1.gif~gen~ref.gif
sxn~us~en~file=ic0004.gif~gen~ref.gif Inoperative Power Door Lock Actuator
sxn~us~en~file=box2.gif~gen~ref.gif
sxn~us~en~file=gn0085a.gif~gen~ref.gif sxn~us~en~file=box2.gif~gen~ref.gifMeasure the voltage at the inoperative power door lock actuator connector Pin 1, Circuit 117 (PK/BK), and ground while operating the door lock switch to the LOCK position.
  • Is the voltage greater than 10 volts?
sxn~us~en~file=arrow.gif~gen~ref.gifYes GO to A3 .
sxn~us~en~file=arrow.gif~gen~ref.gifNo REPAIR Circuit 117 (PK/BK). TEST the system for normal operation. A3 CHECK THE POWER DOOR LOCK ACTUATOR FOR UNLOCK OPERATION — CIRCUIT 118 (PK/O)/163 (R/O) sxn~us~en~file=box1.gif~gen~ref.gif
sxn~us~en~file=gn0086a.gif~gen~ref.gif sxn~us~en~file=box1.gif~gen~ref.gifMeasure the voltage at the inoperative power door lock actuator connector Pin 2, Circuit 118 (PK/O) or 163 R/O, and ground while operating the door lock switch to the UNLOCK position.
  • Is the voltage greater than 10 volts?
sxn~us~en~file=arrow.gif~gen~ref.gifYes INSTALL a new power door lock actuator. TEST the system for normal operation.
sxn~us~en~file=arrow.gif~gen~ref.gifNo REPAIR Circuit 118 (PK/O) and/or 163 (R/O). TEST the system for normal operation.

Mar 10, 2010 | 1999 Ford Explorer

1 Answer

95 S10 blazer 4dr power door locks inop, new battery installed in remote, all fuses good, still inop?


1. Locate the red two wired programming connector located near the central locking control module that is located behind LH Lower instrument panel. Drop the panel and you will see the red programming connector that is not connected to anything.
2. Inside the Red programming connector you will see to pins..
Jump two pins with a section of wire.
3. System should now lock and unlock doors to indicate vehicle has entered programming mode.
4. Press any button on keyless remote once. System should now lock and unlock doors indicating the keyless remote has been programmed.
5. Repeat step 4 to program other remote.
6. Remove jumper wire from programming connector to exit programming mode.
7. Test Remote(s)

Dec 22, 2009 | 1995 Chevrolet Blazer

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Rear wiper inoperative. How to diagnose?


try slowly opening and closing the rear hatch-door with the wiper switch on and see if wiper trie to operate.I had an intermittent problem with no sound coming from any speakers,but I could see from the radio display that the station and song were being displayed,by chance Iopened the rear hatch and the sound came blaring out of all the speakers.Turns out there is an electrical cable that comes from the roof area into the center of the rear hatch(between the hinges) and from flexing as the hatch opens and closes several wires broke and would intermittently make up and sometimes go open again.Took vehicleto dealership and the fixed and or replaced that part of the wiring harness,claiming they had not seen that problem before,seems hard to believe,as no doubt all of these models had the same wiring harness.--Good luck

Nov 05, 2009 | 2005 Saturn Relay

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Locking issues


maybe check the fuses or a loose wire.

Sep 05, 2009 | 2003 Chevrolet Avalanche

1 Answer

Driver and Passenger auto door locks are inop.


Sounds like bad wiring, or bad door lock actuators. Check for power while locking/unlocking the doors.

Jun 29, 2009 | 2003 Chevrolet Astro

1 Answer

2006 Tahoe Z71 Lift Gate Will Not Unlock With Remote


Take the liftgate inside panel off an check the wiring , connections etc....
rear door hatch lock repair GMC Chevrolet
chevy tahoe lift gate not opening
The liftgate will lock any time the vehicle is shifted out of park on vehicles equipped with an automatic transmission and at vehicle speeds exceeding 5 kph with manual transmission. This happens in conjunction with auto door locks if enabled or independently of auto door locks if the feature is disabled. This ensures that the liftgate is locked anytime the vehicle is shifted out of park or when the vehicle is in motion.
The liftgate lock relay supply and coil sides receive a constant voltage through the battery voltage supply circuit and the ECC fuse. The normally closed contact is connected to ground and the control side is connected to the body control module (BCM). A lock function will occur when a door lock switch activation, keyless entry lock transmission, auto door lock function or a liftgate lock function has been received by the BCM. The BCM will then ground the control side of the liftgate lock relay. This energizes the relay and allows voltage to be applied to the liftgate lock actuator lock control circuit. Since the other side of the liftgate lock actuator is connected to the normally closed contacts of the door unlock relay to ground, the liftgate will lock. When an unlock function occurs the BCM will ground the control side of the unlock relay and the rear doors and liftgate will unlock.
The BCM also runs diagnostics on the liftgate lock relay control circuit and will set DTC B3825 as current and also send a Class 2 message to the DIC. The DIC will display REPLACE LIFTGATE FUSE to inform the driver that a fault has been detected in the liftgate lock circuit and that the liftgate is not locked. Faults that will set the DTC and cause the DIC to display the message could be any of the following

Power Door Locks Inoperative - Endgate/Liftgate

Schematic Reference: Door Lock/Indicator Schematics
Connector End View Reference: Power Door Systems Connector End Views
1
Did you perform the Diagnostic System Check - Vehicle?
YES - Go to Step 2
NO - Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2
Activate the door lock switches to the lock and unlock positions.
Do both rear passenger doors lock and unlock?
YES - Go to Step 3
NO - Go to Power Door Locks Inoperative
3
Did the liftgate lock actuator lock and unlock?
YES - Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems
NO - Go to Step 4
4
Disconnect liftgate door lock actuator.
With a test lamp connected to a good ground, probe the door lock actuator lock circuit at the door lock actuator harness connector.
Activate a door lock switch to lock position.
Does the test lamp illuminate?
YES - Go to Step 5
NO - Go to Step 7
5
With a test lamp connected to a good ground, probe the door lock actuator unlock circuit at the door lock actuator harness connector.
Activate a door lock switch to unlock position.
Does the test lamp illuminate?
YES - Go to Step 6
NO - Go to Step 8
6
Inspect for poor connections at the harness connector of the door lock actuator. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 10
NO .. Go to Step 9
7
Repair the open door lock actuator lock circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
YES - Go to Step 10
--
8
Repair the open in the door lock actuator unlock circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 10
--
9
Replace the liftgate door lock actuator. Refer to Door Lock Actuator Replacement in Body Rear End.
Did you complete the repair?
Go to Step 10
--
10
Operate the system in order to verify the repair.
Did you correct the condition?
System OK
Go to Step 2

Apr 27, 2017 | 2006 Chevrolet Tahoe

1 Answer

Hi, I have a 2003 gmc sierra hd, duramax engine, 2 doors, long box. There is power locks on it and the door driver's door doesn't lock either with the driver switch or the passenger door switch, I change...


I have a similar problem. The remote sometimes opens all doors, and other times it will only open the 2 rear doors. Once inside the vehicle, the driver side window controls intermittently operates all windows and doors. It has no effect on the 2 rear doors, as the window controls still work. This behavior happens intermittently while driving the vehicle.

Aug 13, 2008 | 2002 GMC Envoy

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