Question about 2001 Pontiac Grand Prix

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WILL A FAULTY MULTI FUNCTION SWITCH CAUSE MY BRAKE LIGHTS NOT TO WORK ? ALSO I HAD SMOKE COMING FROM THE STEERING COLUMN, COULD THIS BE THE CAUSE OF THAT AS WELL ?

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HI, yes the multi function switch can cause the brake lights not to work, and if it had a melt down you would of noticed the smell and slight smoke form the column. be sure that the connector for the switch isn't damaged from the heat when you install the new one.

Posted on Aug 27, 2010

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Brake lights won't work.... replaced fuse it's fine, top light on hatch works, but right and left don't


need to check the multi-function switch. the brake light signal goes through the turn signal switch on the steering column. the brake lights come on if the turn signal is not being operated. the circuit for the brake light can loose contact in the switch.

Aug 12, 2011 | 2007 Chevrolet Tahoe

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Vacuum Diagrams for 78 CA El Camino


this is a different tip from the title.

This tip is to troubleshoot the hazard, turn, and stop lights for a 95 Grand Marquis. If none of these lights are working, the problem is either with the power to the multi-function switch or the switch itself. Note that the center-high brake light should work independently of the multi-function switch or the lighting control module. The power to the multi-function switch comes from fuse 5 and runs on a pink wire with an orange stripe.
The multi-function switch is accessible under the steering column cowl.
For additional information of the lighting control module, please go here: http://p71interceptor.com/lcm/


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on Sep 18, 2010 | Chevrolet El Camino Cars & Trucks

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Indicater or flasher problem on jeep cherokee 2003


If your having problems with your indicater or flashers on your vehicle then their are a couple of things that would be causing you problems.Now if when you press left or right turn the light flashes fast when turning one way but not the other then this indicates you have a blown bulb on the side that is causing it to flash faster so you need to press it to that side and have a look at the front and back bulbs and change the one thats not working.

If on the other hand your flasher/indicater works sometimes and not others then this is usually down to the flasher relay located in fuse box (see pictures below)
To find out if it is the relay and not the flasher control that you press to turn the indicator lights on is to try using the hazard warning light button press this and if this works every time then the chances are its the control and not the relay (see pictures below) but if it sometimes works and sometimes dont or if it dont work at all then this points towards the relay so changing this should then solve your problem



FLASHER REMOVAL
  1. Disconnect and isolate the battery negative lead.
  2. Remove the steering column opening cover from the instrument panel.
  3. Remove the combination flasher from the junction block
    Combination Flasher
  4. spacer.gif90ba789c.gifspacer.gifspacer.gifView Full Imagespacer.gif 1 - COMBINATION FLASHER 2 - JUNCTION BLOCK

Ispacer.gif2009-03-25_033953_wj005003.thumb.gifspacer.gifspacer.gifView Full Imagespacer.gifNSTALLATION
  1. replace the flasher relay into the possition you took the old one out of in junction block.
  2. make sure you line this up correctly to prevent damage being done to the pins when inserting it into the holder
  3. make sure that the flasher relay is inserted correctly and far enough make sure its seated flush the same as the other relay units.
  4. now all you need to do is re-fit the cover to the steering column
  5. Reconnect the battery negative cable.
TURN SIGNAL AND HAZARD WARNING SWITCH
REMOVAL
  1. Disconnect and isolate the battery negative cable.
  2. Remove the screw that secures the lower tilting steering column shroud to the steering column multi-function switch mounting housing Steering Column Shrouds Remove/Install
  3. disconnect the two halves of the tilting steering column shroud from each other and remove both halves from the steering column.
  4. Disconnect the wiring harness from the turn signal switch and make sure you remember how it comes out of the fitting to ensure you fit it back correctly as it was.
  5. Remove the two screws that secure the left multi-function switch to the multi-function switch mounting housing Left Multi-Function Switch Remove/Install
  6. Remove the left multi-function switch from the multi-function switch mounting housing.
INSTALLATION
  1. Position the left multi-function switch onto the multi-function switch mounting housing.
  2. Install and tighten the two screws that secure the left multi-function switch to the multi-function switch mounting housing. Tighten the screws to2.5 N·m (22 in. lbs.)
  3. re-fit the wiring harness to the switch.
  4. Position the lower tilting steering column shroud to the underside of the steering column.
  5. Instal land tighten the screw that secures the lower tilting steering column shroud to the multi-function switch mounting housing. Tighten the screw to 1.9 N·m (17 in. lbs.)
  6. Position the upper tilting column shroud over the steering column with the hazard warning switch button inserted through the hole in the upper surface of the shroud. Align the upper tilting steering column shroud to the lower shroud and snap the two shroud halves together.
  7. Reconnect the battery negative cable.
spacer.gif2009-03-25_033747_90b04f0f.thumb.gifspacer.gifspacer.gifView Full Imagespacer.gif

on Mar 21, 2010 | Jeep Cherokee Cars & Trucks

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.


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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.
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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

2 Answers

Two out of three brake light are not working


In this case, if it is the High Mount brake light that is working and the two lower lights that are not working it could be the Multi Function switch in the steering column. Easy test, Have a friend stand behind the car while you step on the brake pedal. Once the one light does come on, pull back on the turn signal stalk as if to switch from high beams to low beams, if the lights then come on, it is probably your multi function switch.

Nov 02, 2009 | 1996 Chevrolet Monte Carlo

1 Answer

2003 ford explorer sport turn signals blink rear brake lights


The ford explorer sport track. Will have a short either at the plug of the multi-function switch or 6 inches down where the column bends the wires during tilt.

Sep 05, 2009 | 2003 Ford Explorer Sport

1 Answer

Smoke from steering column


There is a short inside th steering column that concerns the multi function switch and ignition assembly that should be inspected asap. this could cause a fire so, i would get this looked at or repaired very soon.

Suggested repair is to re wire the entire column asap.

Jun 02, 2009 | 1993 Oldsmobile Cutlass Supreme

1 Answer

Fender brake lights not working


You should probably check the multi-function switch. This is the turn signal switch assembly. The brake lights on most all vehicles, are routed through the turn signal switch, and then go to the rear of the vehicle. This is done because the brake light bulb on many vehicles is used as a turn signal bulb as well, and there has to be a way to break the connection from the brake light circuit to allow the turn signal to operate on the same bulb. Use caution when checking or removing the multi-function switch assembly, as you must remove the protective cover from the steering column, and there is an air bag harness located inside. If in doubt, always refer to the manufacturer's service guidelines for making any repairs in or around the steering column.

Nov 10, 2008 | 1997 Ford Explorer AWD

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