Concerning the main electrical system of a motor vehicle or internal combustion engine. Consider a different tag for radios and other such systems.

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146 views

MG Rover Immobiliser removal

I have a 2003 MG Rover Streetwise, I need to remove or at least completely bypass the OEM Immobiliser. Driver door lock is broken due to attempted theft, so no point trying to enter the code, the key ...
8
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1answer
129 views

Car stalls/dies suddenly while driving and is not starting again

I own a Indian Make TATA INDICA Ev2 (CR4) Turbo Engine car. I did rebore recently and the mileage was 130,000 KMs. After rebore first service of 3000 km is successfully completed and now I'm facing a ...
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1answer
35 views

2002 Hyundai Elantra

I made a down payment to purchase a 2002 Hyundai Elantra and while viewing the car when the battery was disconnected with the car running the car died. Does that mean it's the alternator? Because if ...
3
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1answer
45 views

Change electrical switch of the ignition switch on a Deawoo Cielo (1995)

The car is still starting flawlessly but some accessories like the radio or the clock don't always work. I noticed that pushing the key deeper in the ignition would make the radio start, but ...
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1answer
45 views

How Common are Voltage Drop Problems?

After watching this video on voltage drop, it makes me feel like testing the resistance of various sensors and accessories with my multi-meter isn't really a reliable test of anything, since I can see ...
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2answers
403 views

What are the methods to improve headlights of a car?

I'd like to improve the headlight illumination on my Toyota Carina AT 150. It is equipped with square type 55W lamps, but it's difficult to drive in the city or rainy/misty conditions. What are my ...
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1answer
233 views

2006 Saturn Ion won't shift into drive but will in reverse

Couple of days ago my 2006 Saturn Ion transmission stopped working. I can put the car into drive but when I hit the gas it just revs up and doesn't actually go anywhere - it will roll though like it's ...
5
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1answer
95 views

Security and engine issues

I have a fiat stilo 1.4(2004) plate. It had an intermittent issue with the "car security manager loose connection" and the car wouldn't start sometimes, But when shaking the fuse box/power ...
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1answer
48 views

How does the ignition system control the Energy of the spark?

An automotive ignition system needs to provide a specific amount of energy to properly ignite the air/fuel mixture in the combustion chamber. Energy = voltage * amperage * duration. A specific ...
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1answer
46 views

External regulator just installed and now there is a battery drain that kills my car

My 1996 Jeep Grand Cherokee started beeping and telling me to check the battery. So I had the car tested and it said the voltage regulator was bad. The voltage regulator on these Jeeps are in the ...
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2answers
19k views

diagnose faulty voltage regulator causing battery overcharging?

I've been having an issue with an '03 Toyota Echo. The alternator died (at least that is what I thought) as the battery kept going flat. I found an alternator at a wrecker and fitted it, and I ...
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1answer
114 views

Motorbike has no power, but kick start works

First up the motorcycle in question is a Skyteam V-Retro 250 (V-Raptor in some countries). On the way home last night I noticed that my tail lights weren't working so I bought a new bulb like I had ...
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0answers
22 views

Central locking for LR Defender Td5 year 1999

Is it possible to change the manual locking system into central locking system for all three doors for this model of 1999? Also, can the manual window opening closing system be changed into an ...
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1answer
1k views

Where is the coolant fan relay on a 2001 Monte Carlo SS

My check engine light is on. Shop failed the car for NY state inspection. Says I have a bad coolant fan relay. Where would this relay be located?
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1answer
36 views

Sporadic speedometer, and performance lags when speedometer not engaged

I have a 2000 Honda Accord, 2.3L L4 with a 5-speed manual transmission. Recently, the speedometer has been sporadic- sometimes accurate, sometimes bouncing around, but mostly sitting at 0. I replaced ...
3
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1answer
60 views

Car dies immediately when started

I have a 2003 Pontiac Sunfire. If I turn the key to 'ON', the electrics turn on. Lights, radio, fans, the works. Everything is normal. If I turn the key to 'START', then the whole car dies. ...
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2answers
71 views

1996 Toyota Camry unlocks and locks itself

my 96 Camry started locking and unlocking itself sometimes while driving and sometimes when not driving I will go to get into my unlocked car just to find it lock. It didn't really bother me til last ...
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2answers
179 views

Shutting off fans at highway speeds

On my vehicle (92 Civic) and most others I've seen, the condenser fan comes on whenever the A/C clutch is engaged. This seems like a waste of electricity (and thus fuel) when cruising at 60-75 mph, ...
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1answer
26 views

2005 Civic - Strange electrical issues

My wife's 05 civic started to have some strange electrical issues. I'm not sure even where to start troubleshooting. She originally complained that both headlights died simultaneously. I assumed ...
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1answer
65 views

Testing specific wires in harness cable

I want to do some electrical mods like adding a push/pull switch to my truck' tailgate to wire into my door ajar light to let me know if it is open along with splicing an electrical tailgate lock into ...
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1answer
62 views

Amplifier is causing battery drain

Okay I'm driving a 1998 Honda Civic EX and I have an audio system in my car that is about 7-8 years old now. I had done some work on one of the terminals on the subwoofers, and melted plastic in ...
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9answers
47k views

Battery drains by itself when vehicle is parked (parasitic draw)

A 1998 Jeep Grand Cherokee has gone through 3 batteries in the last 3 months. While they have all been replaced by warranties, it'd be nice to get the problem solved permanently. I've tested the ...
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7answers
23k views

Charger doesn't stay put in cigarette lighter outlet

The cigarette lighter outlet was never designed to be an electrical outlet the way it's commonly used today. Even so, I've yet to find a plug for charging USB devices that fits and doesn't fall out. ...
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4answers
703 views

Considerations for soldering car battery wires?

I've had several problems with my car's wiring oxidizing at the exposed ends near and under post clamp and causing electrical connectivity problems. The braided wire is a pain to brush clean and I ...
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2answers
142 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 ...
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3answers
110 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 ...
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1answer
30 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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1answer
101 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 ...
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1answer
176 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?
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1answer
20 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 ...
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3answers
200 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 ...
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2answers
236 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 ...
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1answer
209 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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2answers
157 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, ...
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1answer
131 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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1answer
6k 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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5answers
9k 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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4answers
67 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 ...
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1answer
719 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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1answer
35 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
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3answers
161 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 ...
3
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0answers
45 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
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1answer
81 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 ...
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1answer
47 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
129 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
192 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 ...
6
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2answers
84 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 ...
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3answers
167 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
253 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 ...