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Posted on Dec 13, 2016

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Where's is the fuse located for my brake lights on my 2007 Pontiac g6 and rear defrost fuse


Stop Lamps
your br
The brake pedal position sensor is used to sense the action of the driver application of the brake pedal. The brake pedal position sensor provides an analog voltage signal that will increase as the brake pedal is applied. The body control module (BCM) provides a low reference signal and a 5-volt reference voltage to the brake pedal position sensor. When the variable signal reaches a voltage threshold indicating the brakes have been applied, the BCM will apply battery positive voltage to the stop lamps, transmission control module (TCM), engine control module (ECM), and stop lamp relay coil side. When the stop lamp relay receives battery voltage from the BCM, the relay coil is energized and the stop lamp relay switch contacts close applying battery voltage through the STOP LP fuse to illuminate the center high mounted stop lamp (CHMSL).
I'd say you have more then a bad fuse ,just reading how the brake lights function .You should have it hooked up to a professional grade scan tool ,one that can check for DTC'S - diagnostic trouble codes in the BCM - body control module !
  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the Brake Pedal Position Sensor parameter in the data list for the body control module (BCM).
  4. Apply and release the brake pedal.
Does the scan tool display a change in the voltage?

DTC B3903 Stop Lamp Relay Circuit DTC C0277 Brake Pedal Position Sensor Circuit
DTC C0278
Did you perform the Diagnostic System Check - Vehicle?
Go to Step 2
Go to Diagnostic System Check - Vehicle

2

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
Does the scan tool display DTC C0278 00?
Go to Step 3
Go to Testing for Intermittent Conditions and Poor Connections

3

Recalibrate the brake position sensor.

Circuit Description
DTC C0870
The body control module (BCM) applies a ground through the brake sensor reference low circuit to the brake pedal position (BPP) sensor. The BCM supplies a 5-volt reference through the brake sensor reference voltage circuit to the brake position sensor. When the brake pedal is being applied, the BPP sensor then sends a variable voltage signal through the brake sensor signal circuit to the BCM.
Circuit/System Verification
  1. Ignition ON, observe the scan tool Brake Lamp Cmd. parameter as you apply and unapply the brake pedal. The parameter should change between OFF and ON as the brake pedal is applied and released.
  2. ?‡'
    If the parameter does not change as the brake pedal is applied and released, refer to Brake Pedal Position Sensor (BPPS) Malfunction.

  3. With a scan tool, command the LR Stop/Turn Signal Lamp ON and OFF. The LR turn signal should turn ON and OFF when changing between the commanded states.
  4. ?‡'
    If the LR stop lamp does not illuminate when commanded, refer to Stop Lamps Malfunction.

  5. With a scan tool, command the RR Stop/Turn Signal Lamp ON and OFF. The RR turn signal should turn ON and OFF when changing between the commanded states.
?‡'
If the RR stop lamp does not illuminate when commanded, refer to Stop Lamps Malfunction.






I
I'd

Sep 26, 2015 | Pontiac Cars & Trucks

1 Answer

Can't shift out of park what could be causing this


Your shift-lock solenoid is not working. The solenoid is controlled by your brake lamp circuits. The first thing to do is to check your brake lamps to see if they are working.

If the brake lamps are working, the solenoid is most likely defective. If the brake lamps are not working, then you need to diagnose your brake lamp circuits to get your shifter working. Most likely cause would be the brake lamp switch or a short in the system that has caused the brake lamp fuse to blow.

Apr 07, 2012 | 1996 Subaru Legacy

1 Answer

I have a 1991 honda accord the brake lamp light comes on & off yet all of the back lights work properly why does the brake lamp light come on if the lights work properly


You can try to replace all the brake lamp bulbs as sometimes eventhough all bulbs are working but one of them is about to blow and give high resistance. That's why the brake lamp lights up.

Dec 06, 2011 | 1991 Honda Accord

1 Answer

1995 Honda accord ex gear shift lock, what can I do


The gearshift interlock prevents the shifter from being moved out of the PARK position unless the brakes are applied. The system uses power from the brake lamp switch to determine if the brakes are applied.

The first thing to do is to check your brake lights to see if they are working. If the brake lights are working, then your problem is most likely a defective shift lock solenoid.

If the brake lamps are not working, then you need to diagnose your brake lamp circuit to find out why. A common cause for the brake lamps to not work is a defective brake lamp switch. however, please be aware that there are other things that can cause your brake lamp circuits to not work. In any case, if your brake lamps are not working, getting the brake lamps to work will fix your shifter problem.

Nov 06, 2011 | 1998 Chevrolet Malibu

1 Answer

I have a 2007 Hyundai Sonata and the brake lights (all of them) are not working. I checked the fuse and changed the brake bulbs. Do you have any other suggestions?


Check the following :
1. First of all check the fuse of the brake lamp circuit. use a multimeter to check the +12 volt or use a test lamp of 12 volts.
2. Check the brake lamp pressure switch which is mounted on the master cyclinder- brake pedal. check for connection fault , check for voltage on switch as it must contact when the brake is applied .
3. chek the line to the brake lamp/tail lamp assembly . Check the GROUND connection of the lamp unit, check the holders.
A voltage absence till the lamp end will confirm the area of fault.

Sep 17, 2011 | 2006 Hyundai Sonata

1 Answer

Brake lights and cruise control stopped working on 2004 chevy tahoe


I suggest to check your tail lights. sometimes if they go out, the cruise control will not work. Oh and also, what i did when this happened to me, I checked under the brake pedal and pushed and pulled the little button that activates the taillights and it worked again. It may have gotten stuck..
The brake light fuse may have popped..

ALSO: -- There seems to be a recall for this..
CERTAIN PICKUP TRUCKS MAY EXPERIENCE THE PERMANENT LOSS OF BRAKE LAMP FUNCTION OR BRAKE LAMPS THAT ARE ILLUMINATED AT ALL TIMES. THE CENTER HIGH-MOUNTED STOP LAMP (CHMSL) IS AFFECTED IN BOTH INSTANCES. ALSO, IF EQUIPPED, THE CRUISE CONTROL WILL BECOME INOPERATIVE. ANY TRAILER BRAKE LAMPS WHICH ARE CONNECTED TO THE VEHICLE'S BRAKE LAMP WIRING WILL MIMIC THE VEHICLE'S BRAKE LAMPS WHEN EITHER CONDITION OCCURS.

Feb 19, 2011 | 2004 Chevrolet Tahoe

1 Answer

No brake lights on 96 yukon


The brake fuse #1 is located inside the truck below the steering column. I am assuming you have verified there is 12v power at the fuse & thru the brake lamp switch (orange wire power in & white wire power out, when pedal depressed) at all times. After the brake lamp switch , power goes (white wire) to the Turn signal/hazard lamp switch & out (dark green wire-rt brake lamp & yellow left brake lamp)

Feb 16, 2009 | 1999 GMC Yukon

1 Answer

Rear brake lamps


I worked for a GM dealership,The problem maybe in the turn signal switch. The brake lamp circuit is wired into it to turn off cruise control.The third brake lamp is a circuit by itself.

Oct 02, 2008 | 1994 Buick Skylark

1 Answer

Recall Isuzu i-280


2006 ISUZU I-280 EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH Recall Date: 04/27/2006 Summary: CERTAIN PICKUP TRUCKS MAY EXPERIENCE THE PERMANENT LOSS OF BRAKE LAMP FUNCTION OR BRAKE LAMPS THAT ARE ILLUMINATED AT ALL TIMES. THE CENTER HIGH-MOUNTED STOP LAMP (CHMSL) IS AFFECTED IN BOTH INSTANCES. ALSO, IF EQUIPPED, THE CRUISE CONTROL WILL BECOME INOPERATIVE. ANY TRAILER BRAKE LAMPS WHICH ARE CONNECTED TO THE VEHICLE'S BRAKE LAMP WIRING WILL MIMIC THE VEHICLE'S BRAKE LAMPS WHEN EITHER CONDITION OCCURS. Consequence: A FOLLOWING DRIVER MAY NOT KNOW WHEN THE BRAKES HAVE BEEN APPLIED, AND A REAR-END CRASH COULD OCCUR WITHOUT PRIOR WARNING. Remedy: DEALERS WILL REPLACE THE BRAKE LAMP SWITCH ASSEMBLY. THE RECALL BEGAN ON DECEMBER 5, 2006. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438; GMC AT 1-866-996-9463 OR ISUZU AT 1-800-255-6727. Potential Units Affected: 404733 Notes: ISUZU I-280 06030

May 18, 2008 | 2006 Isuzu i-280

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