Question about 2003 Ford Explorer Sport Trac

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Left rear turn signal

  • left turn signal works when parked in driveway but does not when I am driving

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It sounds like a dirty bulb contact, take the offending bulb out and clean the contacts, both on the bulb and the socket

Posted on Nov 21, 2008

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My rear turn signals are not working. front turn signals work rear parking lights work brake lights work


In the diagram for rear lamp, the top wires are voltage, the bottom black wire is ground. The brown wire on either side should be tail lamps, goes hot when you turn on the headlamp switch. The other top wire on either should be for turn signal. With everything turned on, is there voltage on that wire?
Because the front works and the rear don't, possible wiring circuit problem? The voltage for turn signals comes from bcm. The bcm knows when you turn on turn signal switch, either side, then the bcm sends voltage to turn signal lamp at the rear and front.

rear-turn-signals-not-working-front-nrw1b5lbo1usuvcsnuvurzx3-3-0.jpg

Oct 17, 2016 | 2009 Chevrolet Chevrolet HHR LS

1 Answer

I'm needing the wiring diagram for my 2007 Chevrolet Impala LT 3.5 tail lights.


Go to http://www.bbbind.com/free_tsb.html free wiring diagrams ! You having tail light problems ? Do you know how they work ?

They are turned on by the BCM !
Park, Tail, Marker and License Lamps
The park, tail, license, and marker lamps are turned ON when the headlamp switch is placed in either the HEAD or PARK lamp positions, or anytime the automatic light control (ALC) turns the headlamps ON. When the headlamp switch is placed in the park lamp or headlamp positions, ground from G202 is applied through the signal circuit to the BCM indicating the park lamp request. In response to this signal, the BCM applies ground through the park lamp relay control circuit energizing the PARK LP PCB Relay. With the relay energized, battery voltage is applied through the switch side of the relay, both park lamp fuses, and the supply voltage circuits illuminating the park, tail marker, and license lamps. Ground for the left front park and marker lamps is provided at G101 and the right front park and marker lamps at G100. Ground for all rear lamps is provided at G302.
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

May 03, 2016 | 2007 Chevrolet Chevrolet Impala LT

1 Answer

TURN SIGNALS


Hi

Did you check the fuses for the turn lights? Do the
parking lights work? If the parking lights work then you probably have a
problem either in the switch or in turn signal module thing.
The burned out bulb is what might be causing it not to blink... if one bulb is burned out you gotta replace it, make no difference if front or back,the left blinker will not work if the left front or rear bulb is bad.
same with the right side. if the front right or rear right turn signal
light is burned out it will not work.....get replacing the bulbs.Hope this solves your problem.Please rate me if my solution helped you.

Regards,
bonefirediv.
slide_cars_trucks.jpg

Apr 12, 2014 | 1988 Ford Taurus

1 Answer

Kia turn signal works but blinks fast on right side when parking lights are on


turn on park lights and signal on right side and take a good look at the front and rear light , see if one is dimmer than the other this may be due to a bad ground and when the park lights are on and drawing more power it also needs better ground, check the sockets front and rear try wiggling the bulb to see which one is causing the problem

Jan 04, 2013 | Cars & Trucks

1 Answer

Front left turn signal doesnt work


The turn signal circuit is different from the parking lights. So the headlights would not be involved.
You should have power on one side of the bulb for parking lights and the other for turn signals.
If you have no power for the turn signal circuit, I would look at the turn signal switch. It powers each bulb separately.

Aug 21, 2012 | 2005 Saturn Ion 2

1 Answer

Driver side signals only work when headlights are OFF


What may have happened is either the headlights wiring or the parking lights wiring somewhere along the wiring fused to the left turn signals wiring. Depending on if the turn signals go on when you put the parking lights on or the headlights on.

If the signals come on when you turn on the headlights than you only need to locate the light green wire that comes off the left turn signal harness.

Next follow that wire the entire way back to the firewall looking for another wire fused to that wire as you go.

If there are no signs of this you need to continue looking on the other side of the firewall all the way back to the turn signal and hazard flasher unit which is a black box that connects to a black harness located next to a grey harness behind the knee bolster.

But if the signals come on when you turn on the parking lights than you will also need to check the wiring from the rear left signal and follow that light green wire all the way back to the turn signal and hazard flasher unit.

This should fix your problem, but if not than your problem may lay within the the wiring between the turn signal/hazard switches and the turn signal and hazard flasher unit.

Also you may have a burnt circuit in the junction block. This block is where the light green from the rear left signal and front left signal meet. Don't have a description but if you cannot find it let me know and I will go out to the yard and look myself and let you know.

Apr 22, 2009 | 2004 Dodge Intrepid

1 Answer

Left rear turn signal and brake light dont work


You have a broken wire to the turn/brake light portion of the light as they use the same wire. Or where the plug goes into the light assy could be bad. Torsion mount lights are horrible and you should think about replacing with a universal light that you can wire direct.

Feb 17, 2009 | 1997 Jeep Wrangler

2 Answers

2001 Explorer Sport ,Rear Driver Brake Light and Turn Sig. Broke


Rear lights are double filament bulbs one side for the lights other side for the brake/turn signals so it still may be a bulb. Do u have a test light or volt meter you can check to make sure u have power there when brakes or turn signals are activated. Or just try another bulb.

Feb 12, 2009 | 2001 Ford Explorer Sport

1 Answer

Jeep88


try making sure all the grounds are good

Oct 06, 2008 | 1988 Jeep Comanche

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