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Is the wiring going to multi function switch part of main harness or can I change it somehow.

Wires are coming out of plug in

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  • Cars & Trucks Master
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Part of the main harness. Once the wires leave the multi-function's harness connector, the wires go everywhere.
So the wires are pulling out backward out of the plastic connector? There is a feature on the wire terminals to keep them in place on a connector and not let them slip back out. A tiny little metal clip on top of the wire terminal is raised just enough that when the terminal is inserted into the plastic plug, the clip will ride over a bump in the plastic, then be raised enough that when pulling on the wire from the back, the clip will prevent wire from being pulled out. Look at the loose wires and find that little metal clip (on the top of the terminal pin), bend it up and try re-inserting the wire into the plastic connector. When it slides in and locks in place, and will not come back out, you have done it right.. I hope I understood you right, and this is helpful. Good luck.

Posted on Dec 04, 2012

  • 2 more comments 
  • Wesley Henkel Dec 04, 2012

    I had to use crazy glue to glue the wire in the little piece of plastic inside the connecter that holdsnthe end of the wire in the plug broke.

  • Wesley Henkel Dec 04, 2012

    it works so far but if it gives out do I have to replace the connecter

  • montehammons Dec 04, 2012

    A good idea.

  • montehammons Dec 04, 2012

    If you need a new one, just get one from a junkyard.


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You can sometimes get replacement connectors with pigtails at auto parts stores but the easiest way is to bring your VIN number to a GM dealer and get one there. Most connectors are available and having a VIN number along helps the parts guy get the correct one. Usually the new wires are plenty long and give you a little room to work with when splicing them into the harness. I use crimp type connectors and then wrap the connectors with electrical tape to protect the new connections from the elements. If the insulation has just pulled back away from the connector and the wires and connector are good yet [just bare] then you may be able to save the connector by coating the bare wires with liquid tape then carefully wrapping the individual wires with a layer of electrical tape after the liquid tape has fully dried.

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Wiper issues only work on high but work very slow

with engine running and not.?
front or rear wiper,?????
toss dice, land on front......( 50/50 odds)
it's a network now, no more old style, point to point one wire for every thing on car and a ton of copper to match.
first test all fuses, then scan it.
or it will get expensive fast guessing.
the Switch bank brain under the wiper stalk
sends what you did, on to the LIN bus network,
The switch there does not actually drive lamps.
its just a digital switch, (some are 3 level logic)
The switches on some use a bank of internal resistors to tell the switch bank what you did.

this LIN data stream, is sent to the cluster brain
and also to the TIPM brain.(Allen Turing brains)
the cluster responds for many actions, taken and shows you what you did (EG) for blinkers, flashes the cluster TURN lamp. in same.
Wipers front.
the command for wipers are sent to the TIPM
this device, runs (DRIVES) a huge number of things on the car. (ask for schematics, I have it in pdf forum now,)
Totally Integrated power module. or TIPM
It drives the wiper motor using internal high powered electronics. Direct drive,..
It also senses the wipers location called the sense wire.
The TIPM brain, has complex logic to do all that
it gets many commands to do, (fast ,slow, intermittent wipe) and via TIPM computer memory instructions,
does the job.with pure software. inside.
the wipers can fail for many reasons besides simple mechanical jam or a cut wire.
1: fuse blown to any of those module. check them all if you are SAVVY!
2: TIPM bad,
3: TIPM power supply pin too low, say car battery is 10v ( are head lamps dim,, hummmmmmmmmm)
4: TIPM programming bad. (scrambled brain, needs re-flash)
5: CAN bus or LIN bus, noise, or gross collisions of data on that vital bus. (only scans work here)

IF all fuses are good we scan it .
as always , we check battery voltage first.
with out fail, and listening to the starter motor.
if the starter is dead or weak , we want a strong battery to make all this complex electronics in the car work.
A $10 voltmeter and you know know, battery is above 12.6vdc rested, key on, engine off.
start engine and it goes above, 13.3vdc.
That same tool i can test all fuse. ask.
end comments.

FSM page:
the first page states (QUOTE)
The most reliable, efficient, and accurate means to diagnose the front wiper motor or the electronic controls and communication related to front wiper motor operation requires the use of a diagnostic scan tool. Refer to the appropriate diagnostic information.
NOTE The front wiper and washer switches are integral to the right multi-function switch. The right multi-function switch is hard wired to the left multi-function switch/Steering Control Module (SCM), which communicates with the ElectroMechanical Instrument Cluster (EMIC)/Cab Compartment Node (CCN) over the Local Interface Network (LIN) data bus.
Before performing any of the following tests, determine whether the other functions of the right and left multi-function switch/SCM are operational. If only the right multi-function switch functions are inoperative, test and repair the right multi-function switch or the jumper harness between the right and left multi-function switches before attempting to repair the Front Wiper and Washer System. If both the right and left multi-function switch/SCM functions are ineffective, diagnose and repair that problem before attempting to repair the Front Wiper and Washer System. end quotes.

what's MORE?
what is missing is a block diagram, here ill make one so we can all learn....

Binary switch stalk. via 7 pin connector.
SCM module (steering control module)
to: (i guess the SCM is the Bank switch brain)
the LIN>CAN network, (the SCM sends digital commands to)

if you scan it and see errors from SCM to TIPM
that needs to be corrected first.
garbled bus data will make the TIPM go nuts.

That ground bad theory fails. because...
the motor uses Ground G112
if that wire fails you get vast numbers of failure from 10 majors. including oxygen sensor 1/2
so it;'s not G112 bad.
the motor has fast winding and low speed.
and a common ground. and a sense wire.

never skip scanning the car, or its all like a dog chasing his tail.
Battery not discharged, (you never said car runs)
fuses all good, (means tested)
scanned and not DTC errors. (i bet yes errors)
there 7 pages for the whole can/lin bus.

but this one is switch banks.
one tricky aspect of this, is the cluster
I think translates this wiper data commands from the LIN bus and then rebroadcasts to to the CAN-BUS. that he TIPM uses.that means.
so error are both buses are important.
this is the LIN-bus, the cluster retransmites the commands do the CAN-BUS. so if cluster is dead
that kills those commands,... out.bound. see?
tricky, i told you.


Apr 14, 2016 | 2007 Jeep Compass 2.4

1 Answer

Rear wiper stopped

Do you know how to use a volt meter ? Need to check for voltage at the motor ! , need a wiring diagram. Most of the time other people on here will tell you to check the fuse's , that doesn't end up being the cause ! Most of the time it's the motor or a wiring problem ! I have seen the wire in side the rubber boot ,when you open the rear hatch break causing a no power situation to the motor . If you open the rear hatch ,door ,lift gate , what ever you call it . If you look when it is open there is a rubber boot connecting the body to the door , there are wires in side . There have been known to break ! This next part is a FORD pinpoint test. This is how ford says how to check !
  • Key in OFF position.
  • Disconnect: Rear Wiper Motor C476.
  • Key in ON position.
  • Measure the voltage between rear wiper motor C476-3, circuit CBP43 (GY), harness side and ground; and between rear wiper motor C476-4, circuit SBP19 (BU/RD), harness side and ground.
  • Are the voltages greater than 10 volts?
GO to B2 .

VERIFY SJB fuse 43 (5A) and fuse 19 (25A) are OK. If OK, REPAIR the circuit(s) in question. TEST the system for normal operation. B2 CHECK CIRCUIT GD150 (BK/WH) FOR OPEN
  • Key in OFF position.
  • Measure the resistance between rear wiper C476-1, circuit GD150 (BK/WH), harness side and ground.
  • Is the resistance less than 5 ohms?
GO to B3 .

REPAIR the circuit(s) in question. TEST the system for normal operation. B3 CHECK THE MULTI-FUNCTION SWITCH
  • Key in OFF position.
  • Disconnect: Multi-function Switch C202.
  • Carry out the multi-function switch component test. Refer to Wiring Diagrams Cell 149 for schematic and connector information.
  • Did the multi-function switch pass the component test?
GO to B4 .

INSTALL a new multi-function switch. REFER to Section 211-05 .

Mar 14, 2015 | 2010 Ford Expedition EL

1 Answer

Toyota yaris in limp mode with p0705/stability control light illuminated

EOBD II Error Code: P0705
Fault Location:
Multi-Function Transmission Range Switch - Malfunction (PRNDL Input) - Implausible Signal
Possible Cause:
Wiring/Connectors from/to Multi-Function Switch faulty.
Multi-Function Switch faulty.
Engine control module (ECM)/Powertrain control module (PCM)/Transmission control module.

Possible Solutions:
Check Wiring/Connectors from/to Multi-Function Switch.
Check Multi-Function Switch.
Check Measuring Value Blocks.

Apr 04, 2014 | Toyota Yaris Cars & Trucks

1 Answer

Turn Signal Switch, Replace'' procedure.

  1. Removing the Turn Signal Switch
    • Disconnect the negative power cable on the battery. The battery needs to be isolated while working on the electrical system.
    • 2Remove the steering column shroud with a Phillips-head screwdriver. The shroud will come off in two pieces. One will come off from the top and the other will come off from the bottom.
    • 3Pull the turn signal lever out while twisting it forward. The lever is connected to the multi-switch.
    • 4Remove the wiring harness running in back of the multi-switch. Place the wiring out of the way so you can remove the switch,
    • 5Unscrew the switch with a Phillips-head screwdriver. The switch will come out once the screws have been removed.
    Installing the New Switch
    • 6Install the new switch. Tighten the screws to hold the switch securely.
    • 7Attach the wiring harness back to the switch. The harness should plug into the switch. Push the harness connector into the switch until it clicks into place.
    • 8Install the turn signal lever. Push in and twist it back toward the dash to lock it in place.
    • 9Place the steering column shroud back on the steering column. Be sure to tighten the screws to position the shroud in place.
    • 10Reconnect the battery. Crank your Blazer to test out the switch. Attempt to run everything on the switch to ensure you have a good multi-switch.

Aug 30, 2012 | 1984 Chevrolet K1500

1 Answer

Put new foglights on my 2002 hyundai elentra gls but dont know how to wire them

First of all, did the vehicle previously come with fog lamps? I'm assuming it didn't. Normally, each YM (Year/Model) Hyundai wiring harness is complete for every feature which might be included with certain trim specifications. However, you probably don't have the multi-function switch which has the 'Fog Lamp Switch' on it (Left Hand Turn & Parking/Headlamp Switches). However, the wiring for the fog lamps is probably there, you just need the multifunction switch which contains the fog lamp switch. The illustration attached shows where the wire harness plugs into the fog lamp bulb. This connector may be taped up in the wire harness out of the way (since I'm assuming the vehicle didn't originally come equipped with fog lamps).

Aug 29, 2011 | Hyundai Elantra Cars & Trucks

2 Answers

I have a 2000 chevy 2500 and the tail lights, tag lights and brake lights have stopped working, I checked the bulbs and they are good, fuses are good. Have not replaced the brake relay under the hood. Do I...

check for power at the wires going intop the tail lights, real common that the circuit board is bad, but unlikely both at the same time. The tag, tail lights and brakes are 2 different systems. Do the turn signals work normally? if so the wiring from the turn signal switch to the brake lights is GOOD. the stop light switch had\s a ORANGE wire that should have 12V if not ck STOP LPS fuse, when brake pedal is depressed, the WHITE wire is 12V (at the stop light switch) if that is OK, the turn signal switch COULD be bad. The wiring harness plug is near the back left under the tailgate, see if that is disconnected?

Aug 04, 2011 | 1999 Chevrolet K2500

1 Answer

What are the instructions to remove and replace the combo turn signal switch, located in the steering column, for a 1999 bravada

Warning: 1995 and later models are equipped with an airbag. Always turn the steering wheel to the straight ahead position, place the ignition switch in Lock and remove key, then remove the airbag fuse and unplug the yellow Connector Position Assurance (CPA) connector at the base of the steering column before working in the vicinity of the impact sensors, steering column or instrument panel to avoid the possibility of accidental deployment of the airbag, which could cause personal injury. The yellow wires and connectors routed through the instrument panel are for this system. Do not use electrical test equipment on these yellow wires or tamper with them in any way while working under the instrument panel.
Caution: On models equipped with a Delco Loc II anti-theft audio system, be sure the lockout feature is turned off before performing any procedure which requires disconnecting the battery.

  • The turn signal switch function is incorporated into the multi-function switch, along with the wiper/washer and headlight dimming controls.
  • Disconnect the negative battery cable. Remove the steering column covers and the drivers knee bolster.
  • Remove the two Torx screws securing the multi-function switch to the top of the steering column.
  • Clip the wire-ties securing the multi-function switch harness to the other steering column wires.
  • At the bottom of the steering column, remove the bolt securing the large bulkhead electrical connector to the firewall.
  • Separate the two multi-function switch connectors from the large bulkhead connector.
  • The multi-function switch and its harness must be replaced as a unit.
  • Installation is the reverse of removal

Mar 16, 2011 | 1999 Oldsmobile Bravada

1 Answer

2001 jeep grand cherokee laredo, lights come one intermittently, horn came on unexpectedly and wouldn't turn off. How do I fix that?

Lights intermittent can be caused by switch or relay. Try swapping the Low Beam relay with another similar relay (horn relay is a good choice) to see if that resolves it. These relays are in the Junction Block--may be under the hood or in the car but not in the big box by the battery). If this doesn't fix it, the problem is likely the headlamp switch.

Horn coming on is usually caused by a broken switch or stripped wire insulation inside the steering column. You would usually have to take the steering wheel off to fix it, and this requires special tools; however, if the problem happens to be under the steering column shroud, you may be able to fix it without taking off the steering wheel. Take the shroud off and see if you can follow the black/red horn wire. Follow it as far as you can to check for stripped insulation contact with any metal. If you lights switch is bad, you can also change that while you have the shroud off.

Please let me know if you have questions.


Wand Removal & Installataion

  1. Disconnect and isolate the battery negative cable.
  2. Remove the knee blocker from the instrument panel.
  3. Remove the three screws that secure the lower steering column shroud to the upper shroud.
  4. If the vehicle is equipped with a standard non-tilt steering column, loosen the two upper steering column mounting nuts. If the vehicle is equipped with the optional tilt steering column, move the tilt steering column to the fully lowered position.
  5. Remove both the upper and lower shrouds from the steering column.

Fig. Steering column shroud removal for the Cherokee

  1. Remove the two screws that secure the multi-function switch water shield and bracket to the top of the steering column.
  2. Remove the one screw located below the left multi-function switch control stalk that secures the multi-function switch water shield and bracket to the steering column.
  3. Gently pull the lower mounting tab of the multi-function switch water shield bracket away from the steering column far enough to clear the screw boss below the left multi-function switch control stalk.
  4. Lift the water shield and bracket with the left multi-function switch off of the left side of the steering column far enough to access the two instrument panel wire harness connectors for the left multi-function switch.
    NOTE If the vehicle is equipped with the optional tilt steering column, lifting gently upward on the tilt release lever will provide additional clearance to ease left multi-function switch removal.
  5. Disconnect the two instrument panel wire harness connectors from the left multi-function switch connector receptacles.
  6. Remove the left multi-function switch and water shield from the steering column as a unit.
  7. Gently and carefully remove the water shield from the switch by pulling it over the hazard warning switch button and the left multi-function switch control stalk.

To install:
  1. Gently and carefully install the water shield onto the switch by pulling it over the hazard warning switch button and the left multi-function switch control stalk.
  2. Position the left multi-function switch and water shield near its mounts on the steering column as a unit.
  3. Reconnect the two instrument panel wire harness connectors to the left multi-function switch connector receptacles.
  4. Position the left multi-function switch onto its mounts on the left side of the steering column.
    NOTE If the vehicle is equipped with the optional tilt steering column, lifting gently upward on the tilt release lever will provide additional clearance to ease left multi-function switch installation.
  5. Position the lower mounting tab of the multi-function switch water shield bracket to the steering column screw boss below the left multi-function switch control stalk.
  6. Install and tighten the one screw located below the left multi-function switch control stalk that secures the multi-function switch water shield and bracket to the steering column.
  7. Tighten the screw to 10 inch lbs. (1.1 Nm).
  8. Install and tighten the two screws that secure the multi-function switch water shield and bracket to the top of the steering column [Tighten the screws to 20 inch lbs. (2.2 Nm)].
  9. Position both the upper and lower shrouds onto the steering column.
  10. Install and tighten the three screws that secure the lower steering column shroud to the upper shroud. Tighten the screws to 18 inch lbs. (2 Nm).
  11. If the vehicle is so equipped, tighten the two nuts that secure the non-tilt steering column upper mounting bracket to the dash panel steering column support bracket studs. Tighten the nuts to 200 inch lbs. 22 Nm).
  12. Reinstall the knee blocker onto the instrument panel.
  13. Reconnect the battery negative cable.

Nov 04, 2010 | 2001 Jeep Cherokee

1 Answer

My 1996 Buick Century has a cruise control issue

There are many components in the cruise system. That system does not work with vacuum. The first thing I would check is the multi-function switch (the turn signal, wiper, cruise switch arm). On the back side of the turn signal arm is a plug that plugs into the steering column. Make sure that it is seated, or plugged in firmly. If you have had any work done recently on the steering column like turn signal switch replacement. That plug my have been disconnected and not reconnected completely. These multi-function switches do go bad. They are easy to replace though but a new one will cost over $100. Also the wire harness in the steering column do sometimes break off. The next thing I would check is the control unit. The cruise control unit is on the drivers side of the engine compartment right by the strut tower and the brake master cylinder. It has a cable attached to it going to the throttle body. Find the wire-harness plug on the back side of it and make sure that it is seated firmly in place. Considering the age of the vehicle My first guess is the multi-function switch. I have had to replace mine twice in my '96 cutlass, but I have also had to replace the wire harness in the steering column as well. It could be the switch on the brake pedal, or the vehicle speed sensor. I hope this gets you started in the right direction.

Sep 04, 2009 | 1996 Buick Century

2 Answers


Hi. i recommend a thorough inspection of the wiring harness and harness connectors that led to the actual headlights. use a volt meter to test the current flow to the connectors. pull the connectors from the back side of the headlights and test all cooper contacts inside the connectors. If the wire contacts all show voltage, this will confirm a switch malfunction. it should be replaced in this case.

Now, if one or more contacts on the wires harness fail to produce any voltage, this will confirm a faulty wiring harness. replace the wiring harness in this case.

Make sure the headlight switch is in the on position when testing the wires.

Jul 30, 2009 | 2001 Ford Focus

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