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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1answer
38 views

Power cable in 02 Chevy Suburban - where does it go?

I noticed on my 2002 Chevrolet Suburban that there’s a cable under the bonnet that’s unplugged and I’m trying to work out where it goes. I’ve included photos of it and where it runs. There’s no ...
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VW Jetta MK2 cluster lights

When I switch on my the lights when the car is running the cluster lights goes off and increase the brightness the rev counter goes down and it lights still don't light up but when the car is off the ...
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What diagnostic tool do I need for my car?

Car is a civic coupe vti 1999. The check engine light has come on. There is no obd port on this car as obd cane in use after 2000 I believe. So what device do I need and what is the name of the port ...
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Accidentally shorted trailer light, now 4-pin trailer doesn't work on 2016 Hyundai Santa Fe

The Car I have a 2016 Hyundai Santa Fe Sport with a tow package on it. 60,000 miles on the odometer. We recently bought a 5'x8' Carry-On trailer to move a couple motorcycles cross-country. Problem I ...
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22 views

On charging a battery via jump leads

If battery is not fully charged and you disconnect clamps from drained battery then add jump leads directly from car with health battery,l to drained battery terminals, will this charge the drained ...
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63 views

Brake lights are not working after removing rear bumper

My Audi Q5 2013 was at a garage for a paint job and since then the brake lights are not working. The other lights are still working i.e. above the window, those in the rear bumper and above the ...
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28 views

What type of relay do I need?

This is the relay I need to replace. I have the part number so can find it however I’m wondering if this is just a generic item and if so what is it called. I can see it is a 4 pin 12volt 20amp relay ...
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42 views

Cool Ventilated and heated seats, can both options be used at once?

In our S 350, both can be turned 'on' at the same time in the front and rear seats. Now it that going to mess up the motor?
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Rear central locking and alarm problems

My car has been driving me crazy, I have a Mondeo 57 plate titanium x, 2l diesel. The CPU needed reprogramming before I even drove it but when you're given it for free... Any way a couple of days ...
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Does anyone have the electrical wiring diagram for the instrument cluster for a 1999 Audi A4 B5?

I'm in the process of repair and upgrade of the instrument cluster for my Audi A4 B5 car. I was able to find a few manuals online that show the pin outs for the Green & Blue connectors for my ...
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38 views

Spilled lemonade in central console

I put a large styrofoam cup into my cupholder which then developed a hole and spilled all into my cupholder. The liquid overflowed from my cupholder under the center console. I took the center console ...
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Next step in diagnosis? Yaris 2005 wont start

First time posting on this stack-site so forgive if I do it wrong and please let me know how to improve my post. I have a 2005 yarris that stopped at the lights a few months back and wouldn't start ...
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Motorcycle Electrical issues

I have a 2013 Ducati Monster 696cc that wont start, when I turn the key to the leftmost position the dash does not light up. None of the lights turn on except for one out of four LEDs that are mounted ...
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Mini Cooper R56 Completely Dead

I drove mini cooper R56 for a very short distance for about 4 minutes, the whole car died completely. The battery was working fine, everything else seemed fine but the car died altogether. ...
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1answer
26 views

How can I use my C7 to Euro cable to power a Marshall stanmore 2 speaker in my car?

I have a C7 to Euro cable to give my Marshall stanmore 2 power, now I want to use the Marshall box in my car. Is there a way I can connect or somehow give it power? I presume I'd need some sort of ...
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59 views

Keeping a device in cigarette lighter

I own a Ford Fiesta 2006 when my car is turned off my cigarette lighter stays on as I only have one I use a 3 way cigarette lighter plug splitter adapter I use one port for the dash cam and one for an ...
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29 views

Toyota Camry is locked after trying to ignite without entering the password

I have an old Toyota Camry (maybe 2012) which accidentally I tried to ignite without entering the password. The car didn't ignite, and since then is seems like the car is dead. Is there something I ...
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29 views

What is the Polarity of the L terminal on a Regulator/Rectifier

I am replacing the Regulator Rectifier on a John Deer tractor and there are 6 terminals. Bat + (Battery positive) IGN (Ignition switch, engages the regulator) Bat - (Battery Negative) AC (AC Input ...
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32 views

Does the electric fuel pump get damaged?

The lorry was working just fine, and suddenly it stopped on its own. We did the checks including wiring, and finally, we discovered that it was a blown fuse which was no longer supplying power to the ...
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26 views

(VW CC 2010 2.0L Sport) How do you diagnose a parasitic battery drain from a fuse that controls rear window raisers and central locking system?

My 2010 VW CC is having a parasitic drain issue and I've isolated the problem to one of the fuses which is for the rear window raisers and for the central locking system. If I keep this fuse out ...
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1answer
53 views

Battery voltage drops to 0 when high load and then recovers

Morning. I took the car to the mechanic for a bearing change and to change the airbag clockspring. The mechanic told me he would see if the car has any electrical problems before changing the ...
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30 views

2008 Honda Civic - No electrical power in acc position

Vehicle: 2008 Honda Civic Si Crank + Start: Yes Battery: new and charged Alternator: New (problem occurred before new alternator and persists after) PROBLEM: Brought my car in for the airbag recall, ...
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31 views

Ford Figo not starting immobilizer

I have a ford figo 2012 petrol automatic that is not starting. When I turn the ignition to “ON”, all the lights on the dashboard come on and the immobilizer light blinks. The car used to start before. ...
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a beep sound my Honda Activa 125 BS6

Actually yesterday it was parked outside of my home.It got full wet in rain for 3 hours.After this morning when i start the vehicle a continous beep sound is coming. what is the problem?
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No signal lights after using hazards

I used my hazards on my 2004 grand am for aprox. Ten minutes ,now i have no signal lights ,fuses are all good and i swaped same relay out so thats not the problem ,at times i have. To jiggle the ...
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Truck will not start after installing new battery when first installed turned over fine. No headlights no clicking when turning key

Truck initially would not start old battery was no good ..installed new battery worked fine when installed ....tried starting two days later after it sat for two days ...no lights and would not start ...
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Jump start works, but car looses power after 1/4 mile, Battery / Alternator voltage and parts store tests fine

just joined here in hope someone can guide me to solve my car problem (Jeep Liberty 2004 V6 3.7L). Here is what happened chronologically: Battery light turned on during driving 3-4 days later I ...
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9answers
170 views

When jumpstarting a car from another car can one connect the chassis of one car to the chassis of the other car? [duplicate]

When jump starting a car A using a car B, can one connect the chassis of both cars together instead of connecting the negative battery terminal of car B to the chassis of car A. In theory this seems ...
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1answer
80 views

Alternator output power relationship

Overview: I am currently working on a project that requires a 24v alternator, which is powered by a mower engine. This engine in particular runs around 3,000 rpm, give or take, and does not exceed 3,...
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2answers
39 views

LS1 starter pinion extends but doesn't spin

Working on a motor swap project. Motor is 2002 LS1. Battery is less than 1yr old and was just tested at local Orielly. Starter is refurbished, bought and tested at the same shop. 4ga wire runs ...
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1answer
37 views

Intermittent Electrical Issues Jeep Wrangler 1998

I just bought a 1998 Jeep Wrangler today. When I took it for a test drive yesterday, everything seemed to work fine, but when I was driving it home today some electrical issues came up. The first ...
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1answer
32 views

Fuse panel location

1993 Toyota Camry. I had a bad short on my electrical radiator cooling fans that caused my power windows, all dash electronics, and headlights and side marker lights to stop working. I am trying to ...
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739 views

Battery Positive Post Meltdown

On a series of 6 inline 8 volt batteries, what causes the meltdown of the positive post on one of the batteries? Within the last two years we have had to replace 4 batteries in our golf cart. Thanks
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2answers
51 views

12v car battery isolator switch keeps blowing

I've got an Audi TT MK2 2.0 TFSI which I'm preparing for track use. I want to fit a battery isolator switch as it will be sat not being used for long periods of time plus I think it's sensible for ...
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42 views

Electrical problems after jumping 2008 chevy silverado

After jumping truck, my stabilitrack light stays on, service brakes light stays on, and my radio does not power off when key is turned off (or when I open door). Not sure where to start to locate the ...
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35 views

Alternator whine fix for aftermarket stereo

I bought a Dual MPR420 as a cheap replacement for my 22 year old Toyota Camry that I keep around as a utility car. I used the right Metra harness, spliced using heat shrink butt connectors and ...
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1answer
29 views

Motorcycle USB Port on Accessory Switch while connected directly to battery?

I have a TW200, and I am wiring a usb port with a voltage read out. The only way to get a accurate reading of voltage is to connect to the battery directly. Testing with the low beam wire that comes ...
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1answer
25 views

What Would Cause Only One Headlight to Work at any Given Time?

Say a vehicle has two working headlight bulbs. We confirm that the battery gets power to both bulbs and have seen both operating individually. What would be some reasons that only one bulb works at ...
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37 views

What's the right tape to use on split loom tubing?

To wrap split loom tubing, do I use regular electrical tape, or do I use something else?
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1answer
49 views

Notice “Broken right city light” in Opel Astra J, but with good tail lights

I have a 2011 Opel Astra J that shows two notices on start-up: broken right city light (message shown is in Dutch, my translation) service brake lights (message shown is in Dutch, my translation). ...
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1answer
35 views

Both brake lights cause radio interfere. Can both bulbs be defective?

I had recently posted a question about this (Active brake lights interfere with radio station on ‘16 Mazda CX-5?) and I ended up removing all the lightbulbs in the car. After removing all bulbs in ...
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6 views

2002 Jeep GC brake light issues

With headlamps on, Only top lamp works, and left tail goes out. With headlamps off, top and right brake lights work, but not the left.
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23 views

03 civic si hatchback

I just Recently put a new motor and started it drove it home. Woke up the next day to go somewhere go to start my car and nothing no power. I have a breathalyzer in my car due to dui, I can’t even get ...
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10 views

Honda CG125 2016 model Electrical problems

I have Honda CG125 2016 model bike. From some days it's electric system is not working, for example when I turn on the switch and turn any light on but it's not working then I Check the battery but ...
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43 views

2011 Ford Mustang Gt “Check Charging System” light after changing alternator

My mustang started showing a code for "camshaft position sensor" so I replaced it. 1 day later, it came back on, same sensor so I started doing research. Everything I read said it was probably the ...
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16 views

My Citroen DS3 is struggling to start

I have a Citroen DS3 that was running fine until yesterday. I had an engine warning light come on, the car was still driving fine, then my car wouldn't restart. Before it cut out there was a strange ...
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Why does my 2012 VW jetta light's turn on all by themselves in the colder months?

I've noticed that my 2012 VW jetta SE lights turn on by themselves and eventually drains the battery in the colder months of Minnesota. when I turn the car on and off, it doesn't fix the issue, but ...
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99 views

Using the cigar lighter outlet to power a small 1,000 lbs winch

Can I run a 1000 lbs winch through the 12 volt cigar lighter of my truck or is it asking too much from the outlet? The wires are heavy gauge.
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143 views

Car battery charging: a few questions on connecting negative clips to ground (which I couldn't find anywhere)

I understand that, if charging a car battery without removing it from the car, you should attach the negative crocodile clip not to the negative of the battery but to a metal part of the car; most ...
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169 views

New ECM, car will not crank, VIN is programmed correctly

I have a 2013 2.5L Chevy Malibu LS, which had a bad ECM (Water got in and destroyed part of the board causing random sensor errors and randomly killing the car when driving, randomly deciding not to ...

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