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02 pete headlights quit changed blinker,dimmer switch headlight switch relay and fuse what should I check next

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  • 74 Answers

Check for bad ground

Posted on Oct 18, 2013

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 422 Answers

SOURCE: No headlights, or dash lights.

check the ground cable at the battery , youll see a break in the ground wire at the battery box, check to make sure the bolt is tight and not corroded (the break is the ground for most of the lighting )

Posted on Aug 25, 2008

keemo68
  • 1263 Answers

SOURCE: Dim Headlights/headlight problem

if that is the case i believe your altenator is bad and draining the battery the altenator runs the engine and charges the battery the battery starts the vehicle and runs all the electronics and accessories the regulator is not working and therefore the battery is not getting charged and as the vehicle is running and the lights are on they will get dimmer and dimmer until there is no voltage left in the battery. reploace the altenator and the problem will go away...please rate this

Posted on Oct 01, 2008

  • 261 Answers

SOURCE: No headlights, or dash lights.

the head light switch

Posted on Nov 24, 2008

  • 205 Answers

SOURCE: headlights won't work Chevy K-10 Pickup

With electrical problems I always look for a bad ground wire, especially on older vehicles. Look for any wire that goes to an inner fender or the engine, there maybe a faulty relay in the circuit too. good luck, Chuck

Posted on Mar 17, 2009

  • 412 Answers

SOURCE: 02 dodge caravan headlights

SOUNDS LIKE INTEGRATED POWER MODULE(UNDERHOOD FUSEBLOCK)IS DEFECTIVE..ALSO CHECK FOR CORRODED TERMINALS IN CONNECTORS ON FUSEBLOCK..HAVE SEEN THIS BEFORE AND NEW FUSEBLOCK WAS NEEDED AND REPAIRED PROBLEM

Posted on May 31, 2009

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2 Answers

02 Buick century the passenger low headlight not working but high beam is. I checked fuses inside the car what others things can I check.


There should be a left and right fuse and a relay involved.
The lights get power from the fuses, and the headlight switch and dimmer switch provide the ground circuit. So if you check the headlight plug with a meter you should have power and ground for high and low beam.

Oct 28, 2015 | Buick Cars & Trucks

2 Answers

All of my running lights and blinkers work and high beams but no low beams on my 1997 Chevrolet TahoeA


Headlamps Inoperative - Low Beams

Step

Action

Value(s)

Yes

No

DEFINITION: This diagnostic procedure should only be used if the high beam headlamps are operating properly and the low beams are inoperative.

1

Did you perform the Headlights System Check?
--
Go to Step 2
Go to Headlight System Check

2

  1. Turn the headlamp and panel dimmer switch to the ON position.
  2. Move the headlamp dimmer switch to the LOW position.
  3. Backprobe the headlamp dimmer switch connector with a J 35616-200 from cavity A to ground.

Does the test lamp light?
--
Go to Step 3
Go to Step 5

3

  1. Remove the daytime running lamp relay.
  2. Connect a J 35616-200 at cavity G5 to ground.

Does the test lamp light?
--
Go to Step 4
Go to Step 6

4

  1. Re-install the daytime running lamp relay.
  2. Backprobe cavity B at the high/low beam headlamp with the headlamp dimmer switch in the LOW position.

Does the test lamp light?
--
Go to Step 7
Go to Step 8

5

Replace the headlamp dimmer switch.

Is the repair complete?
--
Go to Headlight System Check
--

6

Repair the open in CKT 359 (PPL) between the headlamp dimmer switch and the daytime running lamp relay.

Is the repair complete?
--
Go to Headlight System Check
--

7

Replace the high/low beam headlamps.

Is the repair complete?
--
Go to Headlight System Check
--

8

  1. Inspect for an open in CKT 12 (TAN) between the daytime running lamp relay and S120, repair as necessary.
  2. Replace the daytime running lamp relay if no open was found in CKT 12 (TAN) between the daytime running lamp relay and S120.

Is the repair complete?
--
Go to Headlight System Check
--

Jul 24, 2015 | Chevrolet Cars & Trucks

1 Answer

No Headlights


In the late 1990s GM and most other car companies changed the configuration of headlight circuits. Now the headlight switch provides the ground circuit instead of power. So yes there is a relay between the main switch and the dimmer.
The headlights get power from left and right 15amp fuses, and the relay and main switch provides the ground circuit. Your owner's manual should tell you which relay in the box is for headlights.

Jan 19, 2014 | 2002 Chevrolet Impala

1 Answer

Hello, I'm having an issue with my headlight. For almost a year now I do not have a dim (low) headlight on my passenger side of my 2002 Chevy Impala. My Impala has over 140,000 miles and a 3.4 Engine


If the relay were the problem both sides wouldn't work . Do you know how to do automotive electrical testing ? How to read a wiring diagram ? You can view wiring diagrams here http://www.bbbind.com/free_tsb.html Enter your vehicle info. year , make , model , engine size . Then under system click on lighting , then subsystem click headlamps . Click on the search button , then on the blue links one at a time . At the top of the first diagram you will see the fuse's for low an high beams . The fuse's send B+ voltage directly to the high an low beams , from there B+ voltage goes on to the dimmer switch shown on the next diagram .Low beam headlamps from the dimmer swich goes through the headlamp relay when energized by the BCM . When the relay is energized that compleats the circuit to ground at G- 201 . So you see if one side is working it can't be the relay . Doing electrical testing , voltage drop testing is the way to find the problem .
Mastering Voltage Drop Testing with Pete Meier and Jerry Truglia
Electric Testing Techniques You Need to Know

How to read an electrical diagram Lesson 1


Mar 13, 2017 | 2002 Chevrolet Impala

1 Answer

2001 chevy impala overhead light wont turn off


see this steps and fix it use the VOM or DVOM. God bless you
The Cause: Most likely no voltage to the headlights because of a bad headlight relay, fuse, module, headlight switch, dimmer switch or wiring fault.
To figure out what's causing your problem, start by inspecting the main fuse for the headlight circuit. See your Owners Manual for the location of this fuse. It is often located in the power center in the engine compartment, but may also be in the fuse panel under the dash.
fuse1b.jpg If the fuse has blown, replace it with a new fuse (same amp rating) and try again. If the fuse blows immediately, there is a short in the headlight circuit that will have to be found and repaired before the headlights will work. If the fuse does not blow and the headlights work, problem solved (for now). There may be in intermittent short or overload that caused the fuse to fail.
If the fuse if okay, use a volt meter or 12-volt test light to check for power at the fuse. Most headlight circuits are on (powered) all the time, so there should be voltage to the power side of the fuse. No power at the fuse would indicate a wiring fault possibly in the fuse block or in the wiring between the fuse block and the battery. You'll need a wiring diagram to trace the wiring circuit and find the fault.
relay_1a.jpgIf the fuse is okay and there is power, the next check would be to find the headlight relay or control module. If the system uses a relay, pull it out and shake it. If anything inside rattles, replace the relay. Or buy another relay and plug that in to see if that restores power to the headlights.
On systems that use a module control module or daytime running lamps, about all you can do is eliminate other possibilities such as wiring faults, a bad relay or headlight switch first. If the module is getting power when the headlight switch is turned on, but the headlights fail to come on, the problem is likely a bad module. The module may be located in the front area of the engine compartment (common on Fords), under the dash or elsewhere in the front of the vehicle. You will probably need to refer to the vehicle service literature to find the module's location.
If the headlight relay or module do not receive voltage when the headlight switch is turned on, a bad switch is your problem. Switches get a lot of wear and tear, so it's not unusual for a switch to wear out after many years of service. Replacing a headlight switch can be difficult depending on whether is it located in the instrument panel or on the steering column.
If your headlights work on low beam, but you have no high beam, or they work on high beam but there is no low beam, the most likely cause is a bad dimmer switch. The dimmer switch is integrated into the steering column mounted headlight switch on most vehicles, so if the dimmer is not working, you will have to replace the entire switch.
DO NOT attempt to replace a steering column mounted headlight switch without first disconnecting the battery and waiting at least 20 minutes for the capacitors in the airbag circuit to discharge. The steering wheel will have to come off to replace the switch. Crossing up the wrong wires in the steering column could set off the air bag and cause personal injury.
If a headlight switch looks like it will be difficult to replace, don't try to do it yourself. Take your car to a dealer or repair shop and have them replace the switch for you.

Oct 16, 2012 | 2004 Chevrolet Impala

2 Answers

1999 oldsmobile 88 headlights wont shut off


Pull this circuit breaker till you can find the problem. Check for applicable trouble codes. You have a lighting control module, I can't troubleshoot that component from here.
headlamp circuit breaker-aqqcxoafxh3vrrogaagbglgs-1-0.jpg

Apr 29, 2017 | 1999 Oldsmobile 88

2 Answers

Head lights on 1990 jeep wrangle won't work


Ckeck the headlight connections they are notorious for corroding. Check the ground connection for the lights. Pull your dimmer switch back as if you were flashing a car to pass and see if they work there. If they do you have a dimmer switch problem.

Dec 20, 2008 | 2000 Jeep Wrangler

2 Answers

Low beam and DRL will not come on


most headlight switches are pop in style that u just pop out of the dash and gently undo the electrical connector and replace it in reverse order, however all GM cars have individual relays for the lights so You may want to try a new relay first.

Jun 30, 2008 | 2005 Chevrolet Equinox

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