Question about 2006 Chrysler PT Cruiser

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Lower Brake lights dont go after we plugged trailer on

This has happened several times .I have checked all the trailer lights plugs and works on my other vehicles. This service man said he had to replace a fuse (or is there something in the computor that needs resetting?) in the cruizer when it happened the first time but I dont understand why the top brake light is ok?? I,m also wondering whether the trailer socket should be connected to this . Al seems rather strange.


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  • xNGxCRASH May 11, 2010

    im not sure what you are asking when you plug the trailer in the lights on the cruizer dosent work? 



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  • Chrysler Master
  • 3,976 Answers

Does it go back to normal with out the trailer connected. as both mine when the trailer is detected on the wiring it turns the abs to mid setting. , as it cannot calculate the extra load. also the trailer loom can put more drain on the electrics and there is a voltage reader computer built into most vehicles this is what detects a blown bulb. check the fuse connection to the fuse and the box. in the fuse box. a weak fuse or fuse holder can make the bulb blow.

Posted on Jul 02, 2017


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Posted on Jan 02, 2017

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SOURCE: Brake Lights wont work.

have you tried the brake light switch its located on the brake pedal bracket.

Posted on Jan 12, 2009

66 chrgr
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SOURCE: no dash lights on 2005 PT Cruiser

this needs the multifunction switch in the steering column the flasher switch is connected to this!

Posted on Jan 25, 2009

  • 1118 Answers

SOURCE: Both brake lights out--don't know for how long

If they were not wired seperate you would be driving around with your break lights on all the time, yes there are 2 filaments the one that sticks out further than the other is the break light. Your problem is most likely the break light switch, most break light switches are located under dash around the steering colume, it works off the break peddel arm, looks like a little plunger with an electrical plug going to it.

Posted on Mar 12, 2009

  • 297 Answers

SOURCE: no stop ligts, only small 3rd brake light comes on

How about the bulbs??

Posted on Aug 19, 2009

  • 286 Answers

SOURCE: 2000 Chrysler Sebring Convert brake lights

Let's assume you've checked the bulbs and are happy they are serviceable. Therefore you can examine the brake switch input and output (while pedal is depredded)Usually located in the pedal box area of the drivers foot well ! Good luck

Posted on Apr 11, 2010

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1 Answer

Lost my brake and turns on my trailer plug checked fuse and wire harness back still nothing is there a relay besides under hood or something else to check

You will need to check voltages throughout the system to determine where voltage is lost. If you have 12V on the brake light circuit at the plug but no brake light on the trailer, there is a problem with the trailer wiring. If you do not read 12V on the trailer plug on the brake light circuit but you have working brake lights on the vehicle, there is a problem with the brake plug wiring on the vehicle.
DOES YOUR VEHICLE HAVE A SEPARATE REAR BLINKER CIRCUIT AND BRAKE LIGHT CIRCUIT? If so, you will need to purchase an adapter in order to use a standard trailer plug.

May 22, 2015 | Cars & Trucks

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I have a standard 4 flat trailer plug on my truck but my trailer plug is also a 4 flat plug but has two brown wires going to one prong. how do i hook them together to make all my lights on trailer work

The 4-wire flat plugs usually have a white (ground), green (right brake/turn) yellow (left brake/turn) and brown (taillights - left and right). If your brake and turn lights work but the taillights don't, check the plugs (trailer and truck sides) for corrosion, and chek both the trailer and truck wiring harnesses for chafed insulation and bare conductors on the brown wires. Likewiae if the taillights work and the brake/turn lights don't, perform the same checks on those wires. And last but not least, be sure that the white wires (truck and trailer) are grounded well to the truck body and trailer frame.

Oct 14, 2013 | Cars & Trucks

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Kia Sedona brake lights wont work although its trailer brake lights do

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The lower brake lights have stopped working yet the upper brake light above rear window works Doesn't appear to be burnt bulbs. I removed a trailer wiring harness that was connected to a connector on the...

No you cannot just connect the 3rd brake light to the left/right brake light, chances are they also function independently as turn signals. The type of trailer wiring harness you speak of is usually installed by unplugging the wiring harness and plugging that connector inline. The two sides of that harness should plug back together.

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1 Answer

1998 dodge 2500 running lights not working but brake lights and turn lights do.this started after plugging in my boat trailer

If happens only when the boat trailer you might check to make sure you have a good ground. Might also try removing trailer bulbs one at a time. They can cause strage things to happen if they're bad. (don't have to be blown)

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1 Answer

Brake Light wont go out

The brake lights stay on even when the vehicle has been restored to the "before" condition?!? Now that's strange. I'm assuming the brake lights worked properly before you did anything with the trailer hookup. Is that correct? Do the brake lights work OK when a trailer is hooked up to the trailer lighting harness? Regardless, if the brake lights stay on all the time, there is a continuous 12V to the bulbs to ground. You have a wiring short somewhere in the vehicle. Have you checked the wiring for bare spots (caused by rubbing) or cuts in the wires.

Since the brake lights won't turn off, you have created a continuous path of 12V through the bulbs to ground, regardless of the brake switch operation. If you did not use the plug in type of wiring harness to attach the "trailer plug", then I would systematically undo each wire that you attached to and see what fixes the problem. I assume you know that the Blazer has a trailer connection plug-in location tucked up under the rear bumper. You simply unplug the mating harnesses, plug in the trailer wiring connector, plug in the disconnected harnesses and wha-la you should be good to go.

Hope helps.

Aug 18, 2010 | 1996 Chevrolet Blazer

1 Answer

Have running lights on my trailer but when u step on the brake the lights on the trailer go off

This sounds like a bad ground, check the ground wire, there should be a white wire coming off the wiring this wire should be grounded to the frame of the trailer, make sure that connection is clean and tight,and also make sure the plugs are clean, when you press on the brake it looses its ground and the lights go out, but also a bad plug would also cause this. after time the plug rots and the prongs dont make a good connection so take a look at both of these.

Jul 02, 2010 | Cars & Trucks

1 Answer

Which fuze do i replace on a 2005 isuzu ascender if my trailer recepticle is not working? i have already replaced all the trailer lights and electronics, it's not the trailer.

i assume that you have a trailer light attachment installed at the rear of the vehicle somewhere around the tow hitch,turn on your head lights,obtain a volt meter and check D.C. voltage on the pigtail,ground the black lead to clean frame metal and check the pins on the plug with the red lead,one of them should be live 12v dc.that will be your trailer running lights,theother will be brake lights,you will have to have someone hold trheir foot on the brake to test it,dont assume the trailer is ok. verify voltage at the connector on the vehicle first,if you have 12 v,there the trailer has the problem,or if it hasnt been used in a long time the connector may need to be cleaned,as far as the fuse goes depending how it was installed,could be several choices,set your meter on continuity and check all fuses,you dont have to phisically remove each one,if you look close there are two small contact points on both sides of the amp rating number,most likely you will have two or three fuse panel locations,primary is under dash drivers side ,secondary panels and relays located in engine compartment under hood on fender walls black plastic box w/cover,,also may be on the sides of the dash board,can only see when the door is open ,or behind the ashtray in the center console,replace any fuses that are blown,be aware of the plug configuration on the car to the trailer,and that the ground wire on the car side of the plug is also the ground lead on the trailer connector, wires may have got mixed up during repair,happens to the best of us once in a while,clean ground connections are very important on trailers,old rusty wires and scerws should be removed wire brushed and reinstalled,or replaced if needed,then sealed with varnaloc,or spray paint,to protect them,hope this helps you.aloha from maui todd0708

Oct 01, 2009 | 2005 Isuzu Ascender

1 Answer

Parking & brake lights dont work on gooseneck trailer

follow the wires back behind the bumper toward the front of the truck, check the next connector you find for corrosion.

Mar 20, 2009 | 2005 Ford F 250 Super Duty

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