Questions tagged [electrical]

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

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26 views

How to/difficulty of transferring immobiliser related wires in an ignition switch harness?

Was replacing ignition switch and realised it had an immobiliser related wire on it which needed to be transferred over. I have no real knowledge of electronics. How does one go about moving these ...
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1answer
31 views

Should I use an “original” electrical harness to avoid problems?

I have a 2017 Subaru Legacy. A month ago U-Haul installed a trailer hitch and electrical kit. I used my 5 by 8 trailer (bought at Tractor Supply) happily for three weeks. Then one day the car did ...
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26 views

Car is dead, but battery is (apparently) fully charged?

My car seems to be completely dead (no dash/radio/lights/ignition/key remote lock) but after testing with a battery charged apparently the battery is completely full. I've tested while connecting to ...
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17 views

About electric vehicles [closed]

I would like to know more about ev what if we design a car for 5 passenger with three wheel only length of car will about 8 feat
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2answers
4k views

Why put copper in between battery contacts and clamps?

We have bought a used Toyota Yaris. Yesterday I allowed my kids to play in the car, and they discharged the battery... So I went to take it out to charge it up and I found pieces of a copper and ...
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1answer
47 views

Modifying air conditioner to run without key inserted? (fan only, not temperature regulation)

In our Volkswagen Touran, I have already modified the fuse box in a way that the auxiliary 12V power outlets always deliver power, without ignition enabled, by connecting two piggyback fuse holders ...
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20 views

Electrical issue with 2009 Chevy Malibu

Was wondering if anybody is experiencing the same issues as I am with my 2009 Chevy Malibu. In the evening when it gets dark the door locks will start going haywire when the car is not running and ...
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10 views

High Mounted 3rd Brake Light Not Functioning

I have a 2013 Jetta TDI with 34k. The third brake light doesn't work, I tried the flashers ... still doesn't work. I don't have a meter, so I can't tell if there's power to the wires. I did take the ...
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18 views

Alternator sudden voltage drop after engine running for 2 minutes

My battery lamp in the gauge cluster turns on after the car have been running for approx 2-3 minutes. I have measured the voltage and when I start the engine and when it's running for the first 2-3 ...
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1answer
10 views

Hyundai electrical

When switching car off unable to get key from the switch. The switch will not go past acc. point. Remove battery ground cable then able to switch to lock position and remove key.
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9 views

Will Vaseline added to the rubber on the outdoor power outlet help prolong the rubber life? [migrated]

After just a few years say 8 to 10 the rubber has been 'eaten up' by micro-organisms. Will Vaseline prevent that meaning prolong the life of the rubber?
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34 views

What to check when my car has an electrical problem? [closed]

My car is showing an electrical problem (I suspect it is electrical). As an intermediate DIY what should be the first things I check, and how easy is it to check them? I'm thinking of Fuses, Relays, ...
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1answer
28 views

Wipers malfunction: they automatically start and don't stop at the correct place

I have a car that seems to have an electrical problem. Here is its weird behavior: When I turn the key (turning on the electrical component of the car) the front wipers start to wipe the windshield ...
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49 views

What is this 5-pronged electrical outlet attached to the alternator used for?

I have the below hookup right next to the engine (CAT 3116) and I'm not sure what it is for. I tried googling this, but didn't find a hookup that was similar. The approximate circumference of the red ...
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26 views

2004 Toyota tarago accelerator not working

I have a 2004 Toyota tarago & put a new battery in it but didn't realise it was around the wrong way & I connected the terminals back to front (negative to positive, positive to negative) for ...
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2answers
79 views

Can an alternator maintain a good system voltage (14 volts measured at battery terminals) but not be supplying enough current?

I'm reading a car electronics textbook that claims that an alternator can maintain correct system voltage (say, 14 volts) when under load, yet not be outputting enough amperage. I can't understand how ...
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36 views

2012 Hyundai i20 starting problem (seems electrical)

I have been having a slight issue with my 2012 Hyundai i20 1.4 Automatic. Every now and then when I turn the key in the ignition, the key turns but without any of the usual lights coming on in the ...
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69 views

I brought a car with a sticker on the copper strip on the rear mirror

does anyone know a way of removing the sticker from the rear without destroying the rear copper strip? ( it is the one that heats up when you turn it on) I am afraid of it stripping if i remove it the ...
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2answers
53 views

Motorbike alternators; idling, would a big one power my 4x4 camper's (minimalist) electrics?

I live 'on-the-road' (24 years, in Australia) of the last 11 years, in a 4x4 homemade (slow-build) camper, and like everyone (in normal homes) I need more power. I'm looking for a motorbike to sling ...
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1answer
27 views

Loud thumping sound coming from dash when turning key

I have a 2010 Ford escape and just noticed this morning that when I turn the key, there is a loud thumping noise coming from the dash. It only thumps about 4 times then is done. It doesn't do it when ...
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0answers
26 views

Ford Transit - ABS Pump no power

I have a 2.2 FWD Ford Transit from 2009. My ABS/ESP and the red brake warning is on as well. When reading the error codes I normally don't get any ABS related codes. But when erasing the error codes,...
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14 views

Electrical problem with a Toyota vitz 2009 automatic transmission

i have been having these issues with my car lately i will try to explain them as best as i can here are all the problems listed: the indicator lights work but disappears as soon as i put my feet on ...
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1answer
29 views

motorcycle sputters and temporarily dies

Recently, my motorcycle (2008 Ducati Hypermotard 1100) has been temporarily dying while riding it, usually on the lower RPMs of the lower gears. I thought it was the heat, but today in the rain it ...
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1answer
35 views

Instrument cluster swap between a 96 BMW Z3 and a 96 BMW E36 318i?

I recently got an instrument cluster replacement off eBay for a 1996 318i for a friend. The link has been provided below. But something I noticed is that the E36 318i has a MPG gauge while the cluster ...
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1answer
42 views

Missing fuses - is it OK?

I recently got the car horn replaced and the mechanic changed the 2xfuses for the horn from 7.5 amps to 15 amps each after installing the new horn. This is because when testing the horn, it blew a ...
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1answer
33 views

Electrical issue on throttle press - BMW 328i

So i have a BMW 328i that is having an electrical issue, It seems whenever the throttle is pressed the lights on the dash light up and power to the A/C, Radio, and cooling fan get disconnected. The ...
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11 views

My 2004 KIA Carnival 2.9 crdi intermittently refuses to start

My 2004 KIA Carnival 2.9 crdi intermittently refuses to start. I have light, radio, electric windows but just doesn't turn over at all. If I leave it a few hours and go back to it, it'll start first ...
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8 views

Intermittent starting

My 09 Hundai Elantra have an intermittent starting problem after a few cranks and a few minutes wait it eventually starts .appears to be worst when the engine is hot. On going problem for the past two ...
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20 views

98 Toyota Camry won’t crank or start after ignition cylinder replacement

Let me start from the beginning my cousins 98 Toyota Camry had a ignition cylinder that wouldn’t turn without hitting it with a hammer. So we went to the salvage yard pulled an ignition cylinder and ...
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1answer
50 views

Classic motorcycle buck converter 12vdc to 6vdc

I recently purchased a classic motorcycle, it's current factory electrics are designed to run at 6 volts. I do have plans to change it later to 12 volts but due to regulations in my country and to ...
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25 views

Auto electrical-LED still glowing-07 Jeep Liberty

Ok so a little background, I had put the blue led 578 sylvanias only one, in the rear dome. It never illuminated when the car was off, then I get blue led light strips for the front doors. I wired 2 ...
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2answers
107 views

why have car grounding strips disappeared?

When I was a child, I remember most cars having a grounding strip, like the one in the picture below: But nowadays, I don't see any car having them. What is the reason they have disappeared / become ...
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1answer
16 views

2003 Mazda Tribute lost power

I have a 2003 Mazda Tribute with the V6. The battery light will occasionally come on, sometimes it just flashes, other it stays on. I had the battery and alternator checked at two different auto parts ...
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30 views

Fuel consumption and too much noise from the engine when driving

I have a Toyota D4D 2013 model. I have driving this car since last year. But in the month of May I took it to be serviced but from there it started consuming a lot of Diesel but it was just fine ...
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1answer
21 views

Load resistor heat issue from front turn signal lights serving as parking lights at night

Thinking of switching all 4 turn signal lights to LED from halogen and I will more than likely need some resistors due to notorious hyperflash or LEDs with built-in resistor as I prefer not to splice ...
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1answer
37 views

12V 10A outlets: Slight smell of burnt copper at 8A. Is the outlet still safe now?

When I accidentally depleted our car battery, I charged it's battery from the inside outlets, using a 0-30V 0-10A bench power supply device. The car has 3 outlets. One individual outlet is rated for ...
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1answer
37 views

Electrical issue - Honda

A few things recently happened. About a week ago I drove through some flood water, probably high enough to out the exhaust system under water. There are also a few things I've noticed while at work ...
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1answer
29 views

Intermittent loss of electrical power on a Ford Mustang

This is a 1999 Ford Mustang GT 4.6. Electrical power completely shuts down and comes back on, the dashboard lights and gauges go crazy. I put in a new battery, alternator and negative cable and ...
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1answer
43 views

Rewiring an engine

I have a 1987 Ford Ranger with an LL23 engine in the garage. I've been able to short the starter to the battery and get a compression test done. Mechanically the engine is good. The problem is, ...
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1answer
37 views

Transistor as a switch?

I want to use transistor or the like as a switch to close and open a ciruit whose voltage is 12 volt DC. Also, the transistor under same 12 v DC source must be operable at max 0.03 amps or 30 mAmps to ...
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17 views

volkswagen passat 2002

I have a passat and the previous owner fitted a DEFA alarm system which is pretty useless. It appears to interfere with the central locking and wing mirror electric control. I have removed it and ...
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19 views

Ford mondeo mk3, obd not connecting to computer

I have an Ford mondeo mk3 where the air con isn't working and there is no voltage to the pressure sensors. So I was going to look for error codes. However when I connected the obd it can't connect to ...
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1answer
110 views

VW Golf Mk7 TSI Electronic Stabilty Control (ESC) error light on

I have a VW Golf Mk7 TSI Comfortline 1.4. My ESC error light is on, though I've had no recent work done on the car. I have taken the battery out and sent the car to a super service technician who ...
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22 views

Honda City S ivtec 2009 Electric Power Steering light coming up with Engine Check light

My Honda City S ivtec 2009 has a power steering issue When i start my Car there is no power steering But when the car starts to move in a speed of upto 20 kmpl the power steering starts automatically ...
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20 views

1997 Honda Civic DLC not communicating

I have a p28 ecu with a obd2 to obd1 jumper harness, i have no check engine lights but im trying to get my inspection but the DLC does not want to communicate, I checked the pins of the DLC and the ...
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24 views

After a fuse box replacement the car doesnt start

My ac was not working and I took the dealership and they told me the fuse box needs to change, so I got a fuse box and took the negative battery cable out and replaced the fuse box but my car doesn't ...
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12 views

Battery drain suspected from door locking system

I have a Mitsubishi L300 van 2005 and one of the doors is not closing properly, hence the light of "opened door" is constantly on. This drains my battery in two days, which I suspect that is way too ...
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17 views

Replacing a 1985 Fiero GT Tachometer

I am working on a 85 Fiero GT which has had its tachometer go bad. I have managed find the signal wire coming from the Ignition coil producing AC voltage bottoming out a 7v while idling, increasing ...
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1answer
39 views

Fuse box replacement - will it work?

As per the advice of my mechanic, I am replacing the engine fuse box of my 2011 Mazda 6 3.7L V6. I have ordered a fuse box from a donor vehicle - a 2011 Mazda 6 with a 2.5L 4-cyl engine. The only ...
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0answers
27 views

2015 Honda Accord Dashboard lights won't turn off after draining the battery

I'm a fairly new driver and I have zero knowledge of cars in general, today I made the mistake of sitting in my car with the ignition on but the motor not running, thus causing the battery to die. ...