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

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2answers
150 views

Turn Signal Malfunctioning

My left turn signal started malfunctioning the other day, here are the symptoms. left turn signal (on dashboard) clicks at roughly twice the rate as the right turn signal. rear turning light flashes ...
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3answers
2k views

Car turning itself off in highway

I drive a 2001 Chevrolet Lumina and I was just wondering if someone here has had any experience like mine. Today I was driving on the highway and then suddenly the car had turned itself off ...
6
votes
3answers
127 views

Where is the “Black Box” in a vehicle and what does it record?

I've seen a "black box" referred to by the media in the past and again today in the reporting of the death of Aubrey McClendon. The headline on the TV said "Police retrieve the Black Box from vehicle"...
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vote
1answer
34 views

2007 honda civic trunk screw & peg wont come out

I recently discovered that I had no license plate lights so I immediately went to the auto part store and picked some bulbs up. Only to find that I can only replace one side because one of the screws ...
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vote
1answer
192 views

OIL ON MY ALTERNATOR

My 1996 XH Ford GLI LONREACH UTE with a 4.0 Tickford motor 5 sp man, had a oil leak (oil leak fixed! and I was quite proud of myself) from the rocker cover gasket, resulting in enough oil that would ...
9
votes
1answer
220 views

Is it possible to repair an intermittent or flaky turn signal flasher relay?

Ouch, a new turn signal flasher relay is $65 at the local parts shop. Is it possible to DIY a repair of such a flasher relay?
3
votes
1answer
21 views

2004 buick century ft pass / rear driver side pwr window goes up not down

Removed frt pass side window regulator to check for normal operation works fine/up and down. Checked window motor with pwr probe for normal operation works fine/ up and down. Checked window switch ...
8
votes
3answers
378 views

Do cars ever use electric water pumps?

I saw this question in the cue recently. I know of no cars that are in production that use electric water pumps. I am assuming that it's continuity issue related to failure rates and engine damage ...
6
votes
2answers
312 views

Is this the correct procedure for a stator test?

Stator Test I have a 2007 DL 1000 V-Strom: I followed the following process while checking the stator: Put multimeter to VAC Tested the three phases of the stator connector plugged into a new ...
4
votes
1answer
228 views

Battery high voltage

I measured my "cigar socket / outlet" with a multimeter. Instead of 12v it had 19v. Is this normal? Is it my voltage regulator, alternator, battery that has problems? Car: Peugeot 307, 2.0 XSI 2003 ...
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votes
2answers
220 views

How much current should my car draw with the ignition on?

With the ignition fully off, my current draw is pretty much zero, but with the ignition on (to be clear - engine not spinning, starter motor not engaged) it increases to 2.5 amps (at about 11.5v, ...
8
votes
1answer
177 views

Why does my new tail light keep blowing the fuse?

I have a 1972 Honda CB350F and I got the new tail light from DimeCity. I think it was called the Buffalo style Medium tail light. The tail light turns on and works fine when I switch on the headlight, ...
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votes
1answer
7k views

When I set the air flow to Defrost, it turns on the A/C?

On a 2001 Honda Civic. Having the temp dial to HOT. When I turn the air flow dial from FRONT to Defrost (windshield), it turns on the A/C button and the A/C motor kicks in also. It just started doing ...
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votes
5answers
10k views

2006 Kia Sedona intermittently not starting

What could be causing my (non-)starting issues? Occasionally (once every two weeks or so) when the keys are inserted and turned to the start position, nothing happens. No noise, no dome lights dimming ...
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votes
4answers
70 views

What's the vehicle lifespan effect when turning systems off by using the ignition key?

One of people who drive our Van Toyota Sienna 2014 has the habit of turning OFF all of the internal controls by counterclockwise turning the ignition key. This is to say, before turning the engine off ...
3
votes
1answer
740 views

2000 Grand AM GT engine and electric cut out randomly while driving

My Grand Am is cutting off randomly while driving. I have not been able to purposely reproduce the problem, which makes diagnosis difficult. I am looking for any advice in diagnostics, or parts to ...
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votes
1answer
37 views

98 Olds Intrigue headlights turn off when driving turn back on by using switch

When I'm driving in cold weather, the headlights (which turn on automatically) go out. I can turn them on with the manual switch. Which relay or fuse does controls this? Does anyone have a number or ...
7
votes
3answers
167 views

What are some typical maintenance things that every owner should do regularily?

Right now I just get a car wash every month, and my oil changed and whatever is included in that. Usually just a quick "inspection". Is there anything else I should be doing for my car? Or also, is ...
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0answers
50 views

Battery Draw while car is off at 3.24

I have a 2007 Saab 95 wagon... For about 6 months at random about once a month my car has been dead. After calling AAA and they told me there is a draw from the battery at apx 3.24 which is should be ...
13
votes
1answer
88 views

How can I tell which parts of my car are “By Wire”?

I've recently purchases a manual transmission 1.5 Honda Mobilio. Which claimed to be a drive by wire vehicle and I assume it really is, but I don't know how to tell if a car is drive by wire. I am a ...
3
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1answer
52 views

stuck in park no power to dash or windows

My Honda out of the blue would not go from park and so I had to use shift lock release and I have no power to my windows or dash what would cause this?
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1answer
196 views

Are all drive-by-wire cars completely (brakes, clutch, gas, steer) by wire?

I've recently purchases a manual transmission 1.5 Honda Mobilio. Which claimed to be a drive by wire vehicle and I assume it really is (don't know how to tell if a car is drive by wire). I am a new ...
4
votes
2answers
249 views

Start a circuit or device when you insert key in car ignition

I want to start a circuit in my car when I insert my key in car ignition and let it turn off when the key gets removed. I have Honda Civic 2007. Can someone just help me out as to from where do I take ...
7
votes
2answers
115 views

No low beams but do have high beams

I have a 2008 Toyota tundra that I replaced 1 headlight on thinking it was bad but then replaced it a second time and it worked fine for 1 day and the all of a sudden now I do not have any low beams ...
11
votes
3answers
186 views

Multimeter - Basic Functionality and Howto

Multimeters I'm looking for some responses regarding multimeter basics for the site tag-wiki to point OP's at when we want them to use one. The question is; What are the basic functions of a ...
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3answers
289 views

How do you test analogue electrical circuits?

When trying to diagnose problems with conventional analogue electrical circuits, such as lights, speakers, heated rear windows, etc, as well as short-circuits and unexplained current draws, it can be ...
8
votes
1answer
184 views

Disconnected wires near battery in BMW e46

I noticed a disconnected wire dangling next to the battery in the trunk of my 2005 BMW 330ci. It was actually a red and blue wire that veered off from the thick red one in the middle of the image. ...
5
votes
1answer
72 views

Van makes knocking noise, even after it has been off for hours

I have an '05 Sienna. At 7 this morning, it was making a knocking noise when I went to leave for work. It had been off since about 9:30 last night. Clicked unlock on the remote and nothing happened. ...
4
votes
1answer
123 views

Battery light flashing after alternator install on 2004 Ford Escape

I just put new alternator on my 2004 Ford Escape, and now my battery light keeps flashing on and off, and it will sometimes stay on. The battery has been checked and is charging 100 % . The alternator ...
8
votes
3answers
723 views

2007 BMW Z4 won't start when my phone is plugged into the cigarette lighter plug

Sometimes when my cell phone is on charge in my 2007 BMW Z4 before I start it, nothing happens when I turn the key. The car is acting like it, as if I did not have the clutch pushed in - the key ...
8
votes
2answers
179 views

Old starter clicked, wont turn over engine. New starter wont even click - no noise at all

My old starter would click, but not turn the engine over. I got a brand new starter and installed it. The only two wires connected to the starter are completely different and can only be fit in the ...
9
votes
1answer
379 views

Locked out of my accord

My 2013 Honda Accord EXL the battery died the key fob won't open the door and neither will the manual key what can I do
5
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1answer
56 views

Burning air pressure switch

I use a 12 V air compressor at my car for air suspension which I understand is draining around 30-35 A. The problem what I have is overheating and eventually burning the pressure switch and connectors....
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2answers
79 views

Peculiar Interior Lighting Issue

Recently a friend of mine was driving a VW Fox (not new, I'm not sure what year but it was certainly 5+ years old) home in the dark with the lights on. Strangely, after a minute or two of driving all ...
3
votes
1answer
521 views

What gauge wire should I use for adding USB ports to my car?

I want to add powered USB ports to my car to charge various devices with. My plan is to order these USB soldering connectors fuse holders, 3amp fuses, and some wire. Now I would find a hot wire ...
5
votes
1answer
102 views

What are slip rings with respect to a cars alternator?

This is not a physics forum, and as such I don't expect answers to explain Faraday's law of induced emf (electromotive force), which is the basic physics principle behind how an alternator is able to ...
4
votes
1answer
88 views

Response to 2001 Toyota Carolla vvt code 1349: what should I do?

I got a vvt 1349 code on my 2001 Toyota Carolla. I have noticed a sharp decrease in fuel economy. Some people have reported that the oil control valve may be causing the issue. The oil control valve ...
6
votes
1answer
80 views

Help with Strange Intermittent yet predictable parasitic battery drain?

I'm having an issue where while testing circuits for the offending drain, I will see NO drain for about 30 seconds and then a 6-9 amp drain for about 10; rinse and repeat. Anybody have an idea what ...
2
votes
3answers
23k views

Can I disable antitheft (PATS) on 03 Mustang?

Just bought an 03 Mustang from an auction and took it on a trip. The anti-theft system kicked in and I had to disconnect/reconnect the battery to get it working again. That worked a few times and I ...
2
votes
2answers
3k views

2004 Kia sedona intermittently wont start

my 2004 kia Sedona 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 time as if ...
6
votes
2answers
1k views

Suzuki GSXR600 (K7) - Burned regulator/rectifier

I have managed to completely fry regulator/rectifier on my Suzuki GSXR600 (K7). I suspect that it happened when I blindly splashed into a big water pond, so some water probably got on connector. Thing ...
3
votes
3answers
111 views

How can you use the headlights to tell the quality of your battery?

I understand that all headlights do dim briefly when you turn the engine on and that this is normal. I also believe that the headlights will dim more if the car battery is in poor condition. I hope ...
9
votes
1answer
335 views

A most intriguing cold-start misfire mystery

I'm trying to help a friend out with a CEL on his 2009 Merc GLK 280. Hooked it up to an OBD2 reader and retrieved a single code: P0300 - 'Random/Multiple Cylinder Misfire Detected', via the 'OBD ...
7
votes
3answers
170 views

2005 Toyota Corolla intermittant battery drain when not running

I have a 2005 Corolla CE with manual transmission. About one month ago the car would not start, and the battery was discharged to about 8.5V. Car had been not running for a couple of days but nothing ...
3
votes
2answers
3k views

2001 Monte Carlo ss. 3.8 liter cooling fans

2001 Monte Carlo ss with a 3.8 liter motor in great condition. The problem is... check engine light on, Temperature gauge not working and cooling fans stay on for 5 minutes after turning car off. ...
3
votes
1answer
212 views

Diagnosing Vehicle Brake Lamp Fuse Blowing; What to test next?

Fuse keeps blowing when I press the brake pedal on a 98 Windstar. Brake switch is good. Inserted new fuse and the brake lamps do not light up before the fuse blows. Removed all bulbs front and back ...
3
votes
3answers
80 views

03 Chevy Suburban Fuel Pump Failure

A few days ago, my dad's Suburban was running while sitting on a steep driveway with a low level of fuel in the tank, and the fuel pump suddenly cut out. Knowing that fuel pumps can wear out from heat ...
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5answers
268 views

Charging circuit

I have a motorhome and tow my car behind. Since I have to leave the car in accessory mode so the steering wheel is unlocked, the battery doesn't last a long time. I want to run a DS line from the ...
10
votes
1answer
5k views

Why do the lights flicker when I accelerate?

I have a 2003 Ford Focus. Recently, I've noticed that when I accelerate (step on the gas), all the lights on the car flicker. This happens to both the dash lights in the car and the headlights ...
3
votes
1answer
42 views

Golf mk4 climate control show speed instead of outside temperature

I know you can change climate control to show current speed when you enter diagnose mode but it gets reset after ignition restart and also you cant adjust your temperature or something like that while ...