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My ground wire is disconnected

One of my wires is disconnected its the black one. I think its the ground wire, could that be the reason my headlights wont turn on?

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Why do my headlights flash with my parklights?


Because of a bad ground wire, and or a burned out light bulb.
Check your bulbs and the ground wires for each one.
A big help will be a separate "test" ground wire to use for each.
The two most common reasons for a bad ground wire are 1) rust or corrosion, or 2) a car wreck poorly repaired.
God bless your efforts.

Dec 04, 2017 | Cars & Trucks

2 Answers

Left front headlight dim but right front headlight is fine....


Check the ground connection for that headlamp .

May 19, 2017 | Cars & Trucks

2 Answers

Headlight wont work


Sounds like you have a bad earth.

Aug 28, 2014 | 1983 Jeep J20

1 Answer

My headlights on my 74 olds 98 fliker i have in stalled a new switch


Check ground wire from battery to car chassis (black)
Check ground wires from headlight wiring harness to core support black wires should be attached to core support with 5/16 head sheet metal screws. the grounds will be on both sides near the headlight plug.
Check bulkhead connector on firewall 2 piece square plug where interior wires come out under the hood. Drivers side by master cylinder. Remove and replace a few times to work corrosion off and re-tighten bolt.

Hope this helps.

Jun 18, 2013 | Cars & Trucks

1 Answer

I bought some halo driving lights for my '03 GMC Sierra 1500, they came with a wiring harness, switch and everything needed for installation except for installation instructions. Help PLEASE!


Tools recommended for this job: wire stripper, wire crimper, volt meter, 4x quick wire connectors, 4x male crimp connectors, 4x female crimp connectors
  1. First, tape the halo and/or LED wires to the back of the headlights to keep them from tangling.
  2. Keep the pairs in order by their color, e.g. black, black (ground) and Red, Red (positive). Note: positive and ground wires might not always be black and red.
  3. Remove some of the plastic shielding at the end of the wires to expose enough copper wire, next twist the copper together to strengthen it.
  4. Shove the twisted copper into a crimp connector; crimp the location where wire and the connector end overlaps, wrap with electrical tape to secure it.
  5. Two extra wires in black and red will be helpful to make the halo/LED wire longer to easier installation. Remove shielding: show copper: use the connectors: connect the positive and ground from the headlights.
  6. Next step, turn the headlights inside the car to the [on] position.
  7. Take the volt meter and connect the negative to the negative on the battery (please use extreme precaution when doing so).
  8. The headlight harness usually will have [3] wires, generally red, black, green (headlights, ground, turn signal). Use the volt meter to test which wire will have power running through it (since the headlight is in the [on] position) which will be the headlight wire.
  9. Use the quick connector to connect the extra wires (red) to the power wire on the harness and black to the ground. This will split the current coming from the harness. Crimp the connectors and use electrical tape to secure it.
  10. Now connect the projector headlight halo wires and the harness from the car.
  11. No wires should be left over unconnected.
  12. The installation is now complete.

Jan 14, 2011 | GMC Sierra 1500 Cars & Trucks

2 Answers

My headlight is dull and blinker is blinking fast. I've already replaced all the bulbs, what do I do?


There is a ground wire either broken , disconnected, or rusty where it is grounded to the frame or body. Repair the ground connection and your good.

Nov 19, 2010 | 1993 GMC Sierra

1 Answer

Low Beam Drivers Side doesn't work ... low voltage,


Power for the headlights on the Left side (High and low beam.) comes from the same fuse... The ORANGE wire and the ORANGE/BLACK are the same, they connect in the harness. If you only lack the 12v to make the light work connect them at the headlight assembly.

If your low beam also lacks ground the Left low beam ground is shared with the right low beam ground... Run a wire from left low beam DARK BLUE to right low beam DARK BLUE/WHITE.

If its not working now then your cursed, seek a witch doctor.

May 23, 2010 | 2004 Buick Regal

1 Answer

91 firebird (headlights wont go up or down).


https://s9.postimg.org/jy78cb3pb/headlamp_doors.jpg

Click on the link, hope you can read it? The top four wires are voltage. The two on the right come from head lamp switch. The two on the left are fuse protected, hot all the time. Use a test light and check for voltage. Hopefully the text will tell you how the module works. I don't know if replacing module will fix it, but, if voltage and grounds for the module are all ok, what else could it be?

May 25, 2017 | 1991 Pontiac Firebird

1 Answer

Headlight switch plug for 84 cj7


MY 84 CJ7 HAS THE SAME THING, THINK ITS JUST A EXTRA.

Jul 31, 2008 | 1984 Jeep CJ7

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