Question about 2002 Jeep Liberty

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My turn signal comes on when I brake.

When I apply the brake, both my front and rear right turn signal illuminate. However, when I have a trailer connected, the right turn signal on the trailer does not work .

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  • Jeep Master
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Check the connector for function, this issue sounds like a trailer issue, grounds are a major issue with trailers.

Posted on Jul 28, 2010

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Posted on Jan 02, 2017

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1 Answer

2008 Cadillac SRX Why do right turn signals flash much faster than left? All bulbs are illuminated.


The turn signals on your vehicle are computer controlled by the BCM - body control module . The first place to start would be to hook up a scan tool that can access BCM DTC'S an data Parameters. If all the turn signal bulb's are good .
Turn Signal Lamps
Ground is applied at all times at G201 to the turn signal/multifunction switch. The turn signal lamps may only be activated with the ignition switch in the ON or START position. When the turn signal/multifunction switch is placed in either the TURN RIGHT or TURN LEFT position, ground is applied to the body control module (BCM) through either the right turn or left turn signal switch circuit. Battery voltage is applied at all times to the BCM. The BCM then applies a pulsating voltage to the front and rear turn signal lamps. Ground for the front turn signal lamps is supplied at G104. The left rear turn signal lamp is supplied ground at G402 and the right rear turn signal lamp is supplied ground at G401.
High resistance some where in the turn signal circuit could also cause this type problem . Doing voltage drop testing on the circuit would find a problem of high resistance .

High Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia

Oct 19, 2016 | Cadillac Cars & Trucks

1 Answer

Brake light is working but not the tail light?


There are three fuses involved.
There is a 25 amp fuse before the brake switch located in the fuse box under the hood. Then there are two 15amp fuses after the brake switch in the box inside the cabin. One is for the lower brake lights and the other is for the high mount light and the trailer connector.
You would need to know if the 15amp fuse for the lower lights has power when the brake pedal switch is applied.

Feb 01, 2014 | 2004 Cadillac Escalade Esv

1 Answer

2009 Impala rear lights not working


Turn Signal Lamps
The LT T/SIG and RT T/SIG fuses located in the underhood fuse block supplies battery positive voltage to the body control module (BCM) for turn signal and hazard lamp operation. When the turn signal switch is place in either the LEFT or RIGHT position, ground from G202 is applied through the turn signal switch signal circuit to the BCM indicating the turn signal request. In response to this signal, the BCM applies a pulsating voltage to the front and rear turn signal lamps supply voltage circuits cycling the lamps ON and OFF. The BCM also sends a message via GMLAN to the instrument panel cluster (IPC) to cycle the turn signal indicator ON and OFF depending on the position of the turn signal switch.
Ground for the turn signal lamps is supplied as follows:
• G101 provides ground for the left front turn signal lamp
• G100 provides ground for the right front turn signal lamp
• G302 provides ground for the left and right rear turn signal lamps

The LT T/SIG and RT T/SIG fuses located in the underhood fuse block are also used by the body control module (BCM) for stop lamp operation.
The brake pedal position sensor is used to sense the action of the driver application of the brake pedal. The body control module (BCM) provides both, a 5-volt reference voltage and low reference to the brake pedal position sensor. The position sensor provides an analog voltage signal back to the BCM that will increase as the brake pedal is applied. When the brake pedal is applied, the BCM will then apply battery voltage to the left and right stop lamp supply voltage circuits and the center high mounted stop lamp (CHMSL) supply voltage circuit illuminating the stop lamps. At the same time the BCM signals the transmission control module (TCM) and the engine control module (ECM) that the brakes are applied. Ground for all stop lamps is provided at G302.
The stop lamps on this vehicle will not illuminate unless the ignition is in the accessory, run, or crank positions. When the ignition is in the OFF position the stop lamps will not illuminate when the brake pedal is applied.

Did you check the fuse's. ? Wouldn't think it's a ground because right an left tail lamp Assembly's use same ground ! Did you check for B+ voltage at the bulb. with a volt meter ? Power is supplied by the BCM . Could be the tail lamp assembly

Jul 19, 2017 | Cars & Trucks

1 Answer

2003 Chevy Silverado When I apply the brakes the


I had an issue like this one on a 2007 Colorado. I assume you mean the turn signal indicator inside the truck lights up. It was a bad bulb. think it was the turn signal bulb on the side that is lighting up. As for the gear indication being dim there is more than one bulb that lights them up and one may have blown. I hope this helps.

Jul 15, 2011 | 2003 Chevrolet Silverado 1500

1 Answer

All lights work and brake light at top works. brake lights on bottom left and right don't work. It was hook up to trailer wires connection. going down the road and when you turn on the right turn signal...


Check a few things...
- The bulbs
- Check for ground at brake lamp connectors
- Check your wiring at the connectors for power
- Check for another fuse blown
- Do not hook up the trailer until you fix the ground problem on the trailer
- On some models, there is a module to control the rear/trailer lighting system. There may be a problem in the module.

Jul 24, 2009 | 2000 GMC Safari

1 Answer

When braking, green turn signal lights up and right rear brake light does not come on. (have replaced brake light)


Do you have a trailer harness? If so, your harness has a short in it.
Remove it and throw it away; cheaper to replace it than to repair it.

If not, you have a short in the socket at the brake lamp

May 04, 2009 | 2008 Toyota Sienna

1 Answer

Pass. side trailer turn and brake lights out 1999 ford explorer


if your vehicle lights are working all the fuses will be good. follow the cable from the towing socket on your vehicle , it will most likely go behind one of the rear lights to connect into your cars system,
check your tester where the cables join and you should find the problem. hope this helps.

Apr 23, 2009 | 1999 Ford Explorer

1 Answer

I need a printable image of fuse block / 97 ford windstar


your owner manual sould have fuse chart. Some fuses/ekays in enine compartment. Some in car on left side of instrument panel

in car

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Fuse Amps Circuits Protected 1 10 Power Mirrors, Anti-Theft Warning Light, Diagnostic Connector 2 5 Generic Electronic Module, Start Interrupt Relay Coil 3 5 Radio Illumination, Remote Radio Illumination, Electronic Instrument Cluster, Electronic Instrument Cluster PRNDL Illumination, Electronic Instrument Cluster Switch Module, Analog Cluster Illumination, Instrument Illumination 4 — Not Used 5 — Not Used 6 15 Rear Quarter Windows (LH and RH) 7 15 High Mounted Stoplamp, Brake Shift Interlock 8 25 Subwoofer, JBL Amplifier 9 10 Park and Turn Lamps, Side Marker Lamps, License Lamps, Stop Lamps 10 2 High Beam Indicator Electronic Cluster 11 15 Park Lamps 12 10 Remote Radio, Auxiliary Warning Lamp Module, Remote Keyless Entry (RKE) Module, Anti-Theft Controller Module, Radio Illumination 13 15 Radio, CD Disc Changer 14 5 Electronic Chromatic Mirror, Analog Cluster Indicator Lamps, Air Bag Module 15 — Not Used 16 15 Horns, Horn Relay Coil 17 15 Fog Lamps 18 25 Front Wiper Motor, Front Washer Pump, Wiper/Washer Relays 19 10 Generic Electronic Module (Pin 57), Electronic Instrument Cluster 20 25 Integrated Relay Control Module, Ignition Coil 21 10 Air Bag Module, Rear Window Defrost Relay, A/C Clutch, Temp Blend Door Actuator, Brake Shift Interlock 22 20 Rear Cigar Lighter, Power Plug 23 15 Multi-Function Switch 24 20 Rear Wiper Motor, Rear Washer Pump 25 10 Turn Signal Lamps, Instrument Cluster Turn Indicator 26 15 LH Aero Headlamp, Left and Right Trailer Stop/Turn/Hazard 27 15 Hazard Warning Lamps, Instrument Cluster Turn Indicator 28 15 Instrument Panel Cigar Lighter 29 15 Battery Saver Relay, Interior Lamp Control Relay, Interior Lamps, RH and LH Keyhole Lamps 30 25 Backup Lamps, Electronic Cluster 31 10 Rear Air Suspension 32 15 RH Aero Headlamp, Trailer Park Lamps 33 15 Anti-Lock Brake (ABS) Relay, Anti-Lock Brake (ABS) Module, Daytime Running Lamp (DRL) Module 34 30 One Touch Relay, LH Window Motor 35 15 Anti-Theft Controller Module 36 30 A/C Mode Switch 37 20 Door Lock Actuators, Memory Door Lock Relay 38 15 Heated Mirrors (LH and RH) 39 30 Auxiliary Blower Motor, Ref. Valve Solenoid 40 30 Window Motor (RH) 41 5 Autolamp Relay Coils, Autolamp Sensor 42 — — 43 — — 44 — —

Mar 15, 2009 | 1997 Ford Windstar

1 Answer

Turn signal comes on with brake lights


Hi

Check your earth wire to your right rear stop lamp socket.

Sounds like its shot !



Good Luck !

Remember to give a FixYa rating........ Thanks...John .

Feb 27, 2009 | 1996 Mazda Pickup

3 Answers

Trailer wiring for 06 GMC Canyon 4x4


exactly what does it do? please explain what happens when you press the brake turn on the light than brake signals ect.....

Aug 13, 2008 | 2006 GMC Canyon

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