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Right rear brake turn signal chevy 2007 express van wire harness must be bad no power at wire at socket

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Have you checked the fuses ? If you got power there, then begin checking wiring for damage, breaks or shorted.

Posted on Dec 02, 2016

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Just one wire goes to the brake lights. If you have the left side. Trace it back to that side. Just a note. Wires tend to break right behind the plugs.

Posted on Dec 03, 2016

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1 Answer

No brake, turn signal, or flashers at rear of 2006 chevy express 2500


Sounds like a bad turn signal switch. I bet if you wiggle the turn signal lever while you have your foot on the brake pedal the left and right brake lights ill intermittently work.

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2007 chevy impala brake light and left turn signal not working


Fast flashing dash signals mean there is a bulb issue-DEFINATELY!

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I have a 94 Chevy C1500 and the right side brake light and blinker are not working. The tail light and reverse light work though, and the right front blinker works but it blinks twice as fast as it...


It could be a bad multifunction (turn signal) switch. The way that switch works, it is possible that it can turn on the front blinker and not the rear one. It also cancels the brake circuit so the turn signal can work with the brake pedal depressed.

However, a more likely cause would be a break in the YELLOW/BROWN wire at the rear of the truck. It is common for the connector to get corroded at the left rear frame area where the bed harness connects to the vehicle harness. If you have trailer connections spliced into the wiring harness, these connections are also prime candidates for corrosion. I would look there first. Inspect these harnesses thoroughly all the way up and into the tail light assembly.

If the wires under the back of the truck look good, then I would check for power coming out of the turn signal switch. The wire at the turn signal switch is plain YELLOW (with no brown tracer). It is Pin (M) on the turn signal switch connector. The front signal is a LIGHT BLUE wire at the turn signal switch Pin (H). If you probe these with a test lamp, they should both work the same except the yellow wire will be hot with the brake pedal depressed and the switch NOT in the left turn position. If there is no power at the switch connector, replace the switch.

May 13, 2011 | 1994 Chevrolet K1500

1 Answer

Running light problem on chevy express 3500 box van


Vehicle electric trouble shooting is the worst. Some of the problems you described the bulbs may have multiple filiments with only some burned out. It may sound silly but change the bulbs. Get a couple of new bulbs and try them in the different spots. Time, road vibrations and spring pressure causes the contacts on the bulbs to wear until they get a poor connection then you get a little arcing that build up a residue and a bulb that test good doesn't work.
Your on the right track with the ground wire. Try a test lamp with a good gound connection and test the different sockets, if your test light works but your bulb doesn't you have a ground fault. If neither work check the switch and fuse before you start tracing the wiring. These are just general trouble shooting tips It's very hard to trouble shoot electrical problems sight unseen.

Jun 13, 2010 | 2002 Chevrolet Express

1 Answer

Left ft turn sgnl to brite


Make sure that it has the proper bulb and that it is in correctly. If it's in wrong, or the socket is bad. Both filaments could be lighting. Think of it as looking at someone driving in front of you with their lights on. When they apply the brakes, both filaments light causing the light to brighten. That is likely the cause for your signal being too bright.

There is a possibility that if the wires are damaged in any way they could be cross contaminating each other creating a short. One wire powering both filaments.

Check that the bulb is inserted correctly. If you feel that it is. Check the socket with a test light.

First with the lights off.

Second with the headlights on (parking lights) there should only be power to one side of the socket. If there's power to more than one, trace and check the wires.

Third with the brake lights on (have someone press the pedal, or set something on it). Two points in the socket should have power.



Get back to me with a kind word if all works out well and I've helped.

Mar 03, 2010 | 2002 Chevrolet Express

2 Answers

I have A 2000 Chevy 3500 Express Van and the brake


Hi,

When you said that you checked the brake switch, did you check it live? Meaning verified live power to the switch, press switch, and then power came out the other terminal?

If so, also verify zero power on brake press, at the offending brake light bulb terminal. You must verify the test light each time you move it...leave running lights on...

After verifying that there is no power coming, after the brake is pressed, note the wire color and find it where it comes to the steering column and test there... This would eliminate wires and connections between front and the rear of the vehicle, unlikely, but needs to be tested.

After verifying no power at that terminal, then yes the t/s switch is certainly suspece. This may be the time to get a mechanic to verify and replace the switch, there are locks, tilt mechanisms, air bags, column bearings, etc involved. Failures risk loss of vehicle control (locking or binding for example.)..

Hope this gets you going in the right direction.

Sep 09, 2009 | Chevrolet Express Cargo Cars & Trucks

1 Answer

2009 chevy expres trailer wiring harness


Ask dealer if it has a towing package on it. If it does, you usually just pop fuse in under hood for electric brakes, and harness to adapt into is usually near or at rear bumper. Even if it doesn't have brake wire, you should still be able to install adapter at rear,for lights etc. which is available from dealer or auto supply places, then you may have to run electric brakes separate.

Feb 21, 2009 | 2008 Chevrolet Express

2 Answers

Chevy wiring


socket was made in mexico right? wiggle the blue wire that goes to the rear light. Now check the black wire and wiggle it as well. They are notorious for bad sockets. Help products offer replacements at your auto parts store.

Nov 24, 2008 | 1998 Chevrolet Express

2 Answers

2002 Chevy Express Van


bad ground in back wiring harness there somewhere

Nov 09, 2008 | Chevrolet Express Cars & Trucks

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