Questions tagged [electrical]

Concerning the main electrical system of a motor vehicle or internal combustion engine. Consider using the [electronics] tag for radios and other such systems. Use the [electric-vehicle] tag for questions about electrical powered vehicles and their unique systems.

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What is this electrical component circled in blue in this engine bay?

I was wondering what this component could be. i couldnt post full size picture since it was over 2mb but full picture also showed a part that looked similar to the part circled in blue. i think that ...
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1answer
155 views

Using OBD to control add-on lights

I have just purchased a 2021 Ram 1500 Bighorn and plan on adding side lights under running boards. These lights are led strips with amber for marker and turn, red for running lights and white for ...
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Suzuki SX4, P0134/ P0420, sensor or CPU?

So, my friend is having car trouble with their Suzuki SX4, 2007. I was told the car had some issue with the catalytic converter in the past. The mechanic told them it would cost $2000, but that it ...
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When I try starting my Honda it’s hestitant then it starts

I have a 2004 Honda Accord and when I go too start it, it doesn’t Just start right up like it stutters then starts. I took it too Autozone and had them check battery starter and alternator. They are ...
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64 views

What happens if the main battery gets connected backwards?

2008 Mitsubishi Nativa (Pajero?) now no power coming from alternator after my experienced mechanic hooked up the car's battery backwards. He saw the spark he said but didn't register as he was ...
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Air conditioner

I have a 2012 Ford Fusion. I just got my a/c recharge. The mechanic thought it was the compressor, but he put on a new fuse and it started to blow right out. But now, it blows out cold in one vent, ...
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22 views

Ford Focus DCT Acceptable Grounding

On a 2012 Ford Focus with the Dual Clutch Transmission, DCT, with a Fluke 75 Digital Volt Meter, battery disconnected, I initially read 2.6 ohms from the battery negative cable, past the negative ...
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25 views

2001 Toyota Highlander Limited DRL not working

I have tried the 7.5A fuse and the three relays without any success. What am I missing? What else could it be? The lightbulbs work. I’m out of ideas! They stopped working after a new battery was ...
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24 views

Saturn Aura Locking Issue

I have a 2008 Saturn Aura. I've recently run into an issue with my locking system. When the weather gets warmer, 3 out of 4 of my locks stop working. Sometimes it's all 4 locks that have the issue, ...
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22 views

GY6 scooter spark plug getting voltage, but no spark?

I have a gy6 scooter that's not getting any spark, but I've done troubleshooting on the whole system (except the stator) and I can't find anything wrong. Every part I've checked from the stator power ...
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33 views

2007 Ford E350 electrical problem

My 12 passenger ford E350 2007 occasionally (random times while driving for random duration 5 -40 minutes) loses power to the: dashboard stero and windows. What can be wrong with my car? How do I ...
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GY6 with no spark

I have a GY6 chinese scooter with no spark. I went to get on it one morning and it wouldn't start, I assumed I needed to change the spark plug because I hadn't changed it for about a year. I put in a ...
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48 views

Something in car is interfering with iPhone GPS

This is going to sound ridiculous but there is no other explanation. I used phone GPS while driving in my car for the past 3 years. 3 different phones, that is, and they all worked fine. I was ...
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1answer
25 views

Remove Mood Lighting on 1994 Ford Econoline E150 Magnum van

I will be removing the Mood Lighting . Do I need to disconnect the battery for that? It is possible I might still use some of it and redirect it to my solar energy. I would appreciate any help I can ...
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Vehicle dies for a couple minutes when I try to start then turns back on

I have an 02 Chevy Trailblazer I went to start my vehicle up like normal before work. When it was in accessory it was fine but when I tried to turn it over, it all went black. There was no power at ...
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25 views

Blower motor resistor keeps blowing

I have a 2006 Jeep Liberty that has had blower problems for a while. It used to be that sometimes it wouldnt blow on any setting, and then randomly come on in a few minutes after I started driving. It ...
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47 views

I have a custom chopper motorcycle wiring issue

I have a custom chopper motorcycle. I have made a sequencing tail light system in the rear. The sequencing works fine until the brakes are applied. The brake lights causes the sequencing to pulse. I ...
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1answer
29 views

What is the name of a default closed switch?

I have a 2005 Ford Excursion. It has a parking sensor which beeps when it senses something close to the rear bumper. When pulling a trailer, it beeps every time I put it in reverse. I can turn it off, ...
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1answer
44 views

How much electric power does my truck consume?

I have a 2011 Nissan Frontier Pro-4x. I want to get a general idea how much power I could draw from my alternator while driving. For that, I want to find out how much power my truck uses in the first ...
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Ride-On Mower only cranking once when starting

I have a Husqvarna TS 242 with a Briggs and Stratton 40N877-0016-G1 engine that I'm having some trouble with. My suspicion is something with the electricals - here's what I'm seeing. After a few weeks ...
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26 views

Question about Ignition Systems ; The Amount of Contact Breaker Points inside the distributor

The distributor in Lamborghini Espada has 4 contact breaker points. Why is that? Couldnt a single point handle all 12 cylinders? I ve also heard they used twin points inside the distributors of some ...
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25 views

VW EOS ESC Error message

My VW 2015 EOS works great but since my last tire rotation, the ESC Stabilization Control Error appears while drive on dry roads at a constant speed. Engine slows, cannot accelerate. Must pull off ...
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1answer
48 views

Can the OBD II used for emissions testing cause damage to engine or electrical system?

We recently took our 2016 Ford 10 cyl. (Motorhome) to our mechanic for oil change and check up, prior to big trip. Everything looked great and vehicle ran great before and after this visit. We then ...
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When my car warms up the dash lights dim badly, what could be the cause?

My son has a 2005 VW Jetta. It starts right up and drives good but when the car warms up the dash lights dim and it starts running differently. He is afraid to drive too far because once it left him ...
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2answers
49 views

Most Dash Lights (and Gauges) Turn on and off Periodically before Car Shuts Off Completely

Alright, I'll try to keep it snappy. 2005 Chevy Express 3500 4.8L V8. 130k miles. Most dash lights would turn on and gauges would go dead for a couple moments and then come back periodically. It's not ...
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2013 impala brake lights

When I press my brake pedal when car is off the brake lights don’t come on. When I start the car the lights will come on when I hit the brake pedal. Is this normal or a problem I have never noticed ...
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Citroen c4picasso Automatic 2009 petrol

Brake lights stuck on , brake won’t go down , won’t start , changed brake light switch ,keeps coming up with different diagnostic troubles, wiped them clean , then different ones come up , taken ...
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1answer
57 views

1955 Chrysler No Crank No start

Hello everyone I have a 1955 Chrysler Windsor which does not run, the lights and horn work but when I crank the key the starter does NOT turn over but the lights do dim. I've replaced all the fuses ...
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1answer
21 views

Jeep Cherokee Electrical

I have a 1991 Jeep Cherokee Laredo 4x4. When im driving all my electrical stuff turns off but turn on right away but the engine keeps running. This only happens when im driving through rough terrain, ...
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2answers
17 views

2012 Kia Forte Electrical? Power?

Audio cuts out when using turn signal or braking. Lights dim when using turn signal or braking. Headlights and interior lights have inconsistent brightness. A slow flicker. After parking and locking ...
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1answer
63 views

Headlights have to be switched off twice when vehicle isn't running for headlights to actually turn off

I have a 2006 Jeep Liberty with manual light switches. I noticed shortly after buying it several years ago that if I turn the car off before switching the headlights off, and then switch them off they ...
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3answers
79 views

Severe static shocks from car after driving

I know that you can get a static shock when exiting your car after driving for a while from the friction on the seat. However I do have my car for several years and since a week or so I am starting to ...
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1answer
70 views

What does the 'battery' light on the dashboard actually mean?

I know that when the battery symbol lights up on the dashboard it indicates a problem with the electrical system, which is commonly either an ageing battery or a broken alternator, but for the ...
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2answers
107 views

Toyota Tundra Brake Light Wiring

I recently got a cap for my 2012 Toyota Tundra and am wiring in the brake lights on it. I was planning on pulling off of the existing brake light but there are 3 wires going into it and only 2 going ...
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1answer
57 views

What does OBDII fault code P0120 really mean?

What does OBDII fault code P0120 mean? The device said: "TPS/Pedal Position Sensor A Circuit Malfunction". The problem is that TPS stands for: "Throttle-body Position Sensor, which sits ...
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1answer
45 views

Should I replace wiring harness? If yes, how to do it?

My Hyundai Tucson 2013's fog light is not working. Also a bulb in cabin which is supposed to stay steady is blinking. I suspect this could be because of the voltage drops and electrical faults. I ...
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45 views

Car not starting after week of sitting in cold temperatures

Three weeks ago I bought an '03 Honda Civic. It's been running well so far, but I let it sit outside without using it for a week and a half in 10 to -10 F temperatures. After this, the car wouldn't ...
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1answer
38 views

Are there separate fuses for each window in my 2007 Nissan Titan?

Last night my passenger window didn't roll up after rolling it down part way. This didn't surprise me as it had been moving sluggishly for a few weeks now. What did surprise me though was that now. ...
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20 views

Car stereo is always on when engine is on

I have a 2011 Toyota Matrix XRS. When I turn the engine on, the screen for the stereo doesn't light up, and the power/volume button doesn't work - can't turn it off, and can't lower the volume. Super ...
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21 views

starter motor or something else?

My car didn’t start properly. You could hear it was trying really hard to start. Over time it worsened and the engine light was on. So I went to the mechanic, they ran some tests and found that some ...
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15 views

4cy automatic 1997 Toyota Camry. The windows won’t roll down and car will not start. The alarm keeps going off

I have a 1997 Toyota Camry. After installing a new battery the cars alarm is going off and will not start it just cranks. I can’t even roll the windows down or unlock the doors. Any help
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22 views

Melted Headlight Socket for H11 bulb [duplicate]

I recently discovered a low beam headlight socket had melted on the passenger side of my 2005 Volvo XC90. Several days back I had this Bulb Failure Low Beam message showing up and going away. When I ...
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1answer
87 views

2012 Honda Fit Won't Start - No Accessory power, only dash lights

Car won't start; when I attempt to turn the key, there's no turning over or clicking of any kind. No accessories come on (A/C, radio, etc.), but the interior lights will turn on. They seem slightly ...
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74 views

Where is the front crash sensor location on a Fiat 500

I have a Fiat 500e 2014 that I purchased with front taken apart but with air bag sensors on their harnesses but not bolted in place. I can not find the location the two sensors should be located in ...
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2answers
65 views

Turn signals, hazards stopped working

Car: Ford Focus Mk II 2010 Diesel TDCI 1.6L When I push either turn signal, it lights up the appropriate light on the dashboard and flashes the corresponding turn signal VERY briefly -- about a tenth ...
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3answers
50 views

If a jump start didn’t work, will a booster work?

Car has been idle for several weeks and came to find it wasn’t starting up. Battery is 1.5 years old and first time it’s died on me. Tried to jump start it by commecting leads for some 15 minutes but ...
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75 views

Car battery is flat, how can I tell the cause from multimeter results?

my car battery is flat. I did some measures with a multimeter. I will explain them below. Can anyone please tell me what can be the issue? Note: My car is a VW Polo 9N3 2007 Symptom For the last 2 ...
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1answer
158 views

2013 Mazda 3 Engine not turning off while pushing the start/stop button

My 2013 Mazda 3 does not turn off the engine while pressing the start/stop button. If I continuously press the start/stop button for three or four times then engine stops and goes to the acc mode. ...
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1answer
93 views

VW Golf 5 FSI Jerks When Driving

Please help. I have recently serviced my VW Golf 5 with air cleaner,oil filter,fuel filter and plugs but the car still jerks most times when driving. I had it diagonised and gave me error codes P1403 ...
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1answer
28 views

Maximum current draw from the reversing light circuit

I want to add a reversing camera and monitor to a Peugeot 207, but a tag on the wiring loom on the rear light says maximum additional current draw is 10mA. The spec for the camera is 100mA max, and ...

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