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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12 views

2006 Saturn Vue 4cyl

Starter spinningfreely not engaging the flywheel to crank the engine I've changed the starter and the new starter does the same thing it's not engaging the engine it's just spinning freely so what ...
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Charge a car battery with a solar panel that only has USB outputs

I currently have a solar panel (this one), that is able to output 24W of power at peak capacity. I would like to be able to use this solar panel to trickle charge a car battery, but the panel only ...
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Using a device with external power and receive data from the CAN bus

I want to keep a device in always on situation in the car. I do not want the device to drain the car battery. The car is used at least once in two days and the current consumption of my device is ...
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2016 Hyundai automatic Elantra cranks but won’t start

My wife went to leave for work this morning and her car won’t start. I go out and the engine turns over then grinds. Tried to jump it off but same problem. Any ideas?
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Could corroded or incorrectly soldered battery teminals cause parasitic drain?

One of my friends has a 2007 Lincoln MKX that's been having some electrical issues lately, the battery drains to dead overnight. It's been looked at by several people (including dealership), the ...
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electrical shortage?

2012 Hyundai elantra touring: Car never had problem starting. Yesterday came out to car and cd that was in player was ejected. Tried to start car - nothing. Not knowing any better, thought I needed a ...
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3answers
26 views

Strange electrical issue with 2001 Civic

I have a 2001 Civic, manual, and I began experiencing an odd electrical issue, I’m hoping someone might have some insight. This is a bit long, so I apologize in advance. Roughly a week ago, my ...
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Wiring up a shift light to a relay

Hi I'll try explain what I want to do I want my after market rev counter with shift light to switch a relay for vtec The problem I have is the voltage is to low to switch relay and I'm scared ...
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Electrical failure [duplicate]

While fitting a new battery for the old one I erred by placing leads in the reverse order, when I corrected my mistake I found when i try to start the car all switch off for a couple of minutes, when ...
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Keyless entry fails if aux power outlet in use

I have a 2003 Pontiac Sunfire, if I have a device plugged into the aux power outlet in my car the keyless entry remote stops functioning. Won't unlock the car or open the trunk. Soon as I pull ...
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23 views

everything electrical works until i start my 2003 mercedes C 320

Everything works fine with the key in acc. position, but when I start it every thing stops working. No lights, no radio, no heater, no nothing. Any thoughts?
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Keyfob battery dead - Can I still start my 2007 Mini Cooper S

I don’t drive it too much but noticed that when I put the keyfob in, and press start button it sort of acts like the car’s battery is dead but after a few attempts it will start. Today I couldn’t ...
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TotalElectrical failure Mondeo 1.8tdci 2008

While charging a flat battery all on the Mondeo all of the electrics failed (lights, dash, not starting, Windows, ect) when I installed a new battery on the Mondeo still nothing. Any ideas on what ...
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2007 Impala lights not come on

I have 2007 Impala. We crunk it one morning and it just cut off. Then it wouldn't crank and none of the lights inside or radio display would come on. Starter is good battery is good and fuses look ...
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Town and country 2008

My car won't start, I checked everything and still won't start. When I checked the fuses . The ignition fuse does not get any power. What else can I do?
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1answer
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06 Suzuki 250 gz electrical issue

I lost my keys and had to order a new ignition. When I got the new ignition I plugged it in and it shorted out. I've checked my fuse's they all look good. Do you think that it could be the relay or a ...
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60 views

Access to alternator output for powering a custom device

I have a custom made circuit (device) to be installed in my vehicle. This device is to work (power up) only when the engine has started. It consumes a reasonable amount of power hence do not want it ...
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57 views

Anti-static drag strips benefits of earthing?

I know this sounds like a stupid question but could an anti-static dragging strip have any benefits to a car attached to certain parts of a car in terms of galvanic corrosion or any other form of ...
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brand new battery brand new alternator car will not start even with a jump

2001 Toyota Sienna. Had a blowout on the driver side which messed up the wires. Tape them up and lost hazards. Recently car died while driving took it to the mechanic and got a brand new alternator ...
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61 views

Why doesn't polarity matter for fuel injectors?

Why doesn't polarity matter for fuel injectors? If they are essentially a solenoid, then it seems it would matter; swapping polarity would change the direction the electromagnet pulls or pushes.
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Infiniti G37 Changes Settings on Power Off

2009 Infiniti G37 sedan. I'm losing audio and display settings every time I power off the car for more than a minute or two. I checked all the fuses (in the cabin and in the two under-hood fuse ...
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1answer
43 views

Why does a relay not short the battery?

I am planning on hooking up a 4-pin relay to supply power to ignition coils on a motorcycle. The on/off switch on the diagram below is the ignition switch operated by the key. Ignore the fact that ...
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68 views

Improving conductivity of electrical connectors

Is there anything can do with this and similar connectors to improve the electrical quality of the connection and avoid intermittent disconnecting? I saw this thread but it seems to focus on other ...
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2019 Kia Sorento annoying and now dangerous electrical issues

I had a 2013 and a 2016 Sorento and they always worked perfectly. Now I have a 2019 and have had annoying electrical issues from nearly the start, and today something very dangerous happened. The ...
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DRL switch with headlights

I plan to replace my original fog lights with Osram "LEDriving FOG PL Silver Fog Light" kit, it's basically fog lights + DRL (Daylight Running Lights). Wiring the fog light part is easy as it will not ...
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1answer
45 views

Diagnosing Short on Starter Circuit in 1995 Chevy Suburban

My 1995 Suburban K1500 has a shorting issue that drains the battery when left for long enough. I have isolated the problem to the fuseless starter circuit and I am 95% sure that the short is not ...
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I have a seemingly very hard wiring problem to solve

Further to my last question : I have a Renault Clio 1.2 2010 that keeps coming up with a P0638 (Throttle Actuator Control Range/Performance) error (according the the OBD2 device I have). One thing I ...
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1answer
40 views

Hybrid Honda Fit 2014

I just did a transmission exchange, now the car starts for about 10 seconds then it shuts down, then the battery light comes on. What is causing this ?
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HOLD light flashing, engine temperature gauge “C”

My 2009 Chevy Aveo 5 with automatic transmission has an issue that started today; on the way home on the freeway, the HOLD light started flashing. I noticed later that the coolant temperature gauge ...
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35 views

Regulation if stop lamps may require an activated ignition or not

Where can I find a regulation for Europe or Germany, if stop lamps may require an activated ignition or not? I saw that the stop lamps of some cars are still fully functional without the ignition key ...
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1answer
54 views

Interior lights aren't working, no power on ACC position

General Info: Car: Nissan Murano 2005 SL Crank + start: Yes Battery charged: Yes Battery terminals correct install/uninstall order: Yes Problem: No power on ACC position, no ignition key warning ...
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36 views

No start / power

I've got a suzuki vl250 intruder as a starter bike, it ran perfectly for about 3 months then all of a sudden one day it started losing power and the lights flickering while riding/coming to a slow. I ...
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71 views

How about how many amps does a vehicle pull at idle

Assuming the lights and stereo are off, how many amps can you expect an idling vehicle to pull? In this particular case I'm wondering about an F350, with flexfuel engine?
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57 views

Motorcycle won't start or show signs of life

So a few months ago my Motorcycle (Yamaha XJ550 Maxim 1982) Decided just to lay down and die, I tried starting it over a billion times and it made a few buzzing noises and then stopped, lights won't ...
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82 views

Is my car battery health bad and should I replace it?

I bought a 2010 Golf in march and I do not know how old the battery is (no dates on the battery) and with winter coming in I feel a bit nervous. Usage I do not use the car very often but I try to ...
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83 views

Do any one know what’s The name and model of this vehicle?

Hello I had this car as gift ! Can any one help me know what the name, modle of this car and the price?
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Why does Fuse Holder terminal get warm/hot?

I recently bought some Fuse Holders. Sometimes these Fuse Holders get warm/hot. Someone suggested the fuse might not be properly connected at the terminal. Is there a reason why I'm getting a warm/...
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Electrical system problem on 1997 Nissan XE, 2.4 -5 speed truck

I disconnected the battery cable on a 1997 Nissan XE, 2.4 -5 speed truck to put on a new cable end because it was corroded, when I reconnected it all the idiot lights on the dash were off, the AC ...
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40 views

(2004 Lincoln Navigator) How do I set up these screens in the back?

https://imgur.com/a/uzLyQpr They were like this when we bought it. I tried putting a DVD in it and it wouldn’t turn on at all. It came with extra cables and extra connectors.
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1answer
41 views

Battery drains and GM 2000 Grand AM dies while driving

Heyo everybody, thank you for any expert opinions I may find. My Grand AM can hold power and will drive. However, while driving my battery light is on, and the car will eventually run out of power. ...
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2answers
118 views

Electrical isues on j10 nissan qashqai

I have a problem with my Nissan Qashqai, its a late 2010 so its a facelift model. The lights flicker when I am driving, when im parked, basically all the time, my windows roll down slowly, some ...
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3answers
74 views

Can anyone help me interpret this multi-meter reading?

My 2008 Outback’s battery goes dead when it sits for a night or two. I’m looking for a parasitic leak. Can anyone help me interpret this meter reading? I have it in parallel between the neg battery ...
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1answer
67 views

Electricity not working when car is off

2015 Honda Accord Replaced the battery in my wife's car. After replacing the battery, it seems as though none of these things work when the car is off - Headlights, Dome light, Power locks, key fob (...
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1answer
349 views

Car no longer starts, behaved weird before giving up

This is a ten year old diesel car from Ford, the Ford Focus DA1. Let me start with the chain of events: Car has been standing outdoors for two weeks without use, had been almost frozen but not ...
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Back up camera power and ground

Ok I'm hooking up a backup camera to my trucks aftermarket head unit. The backup camera has the standard power and ground then rca jack that connects video to the Head unit. When I got everything ...
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Car imitates dead battery but comes back to life ~30 minutes later and lets me start it

The car: 2006 Subaru Legacy Touring Wagon 2.0 GT (Japanese model) - recently purchased; warranty does not cover this The situation: Something happens with the 12v supply and once the car is stopped (...
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1answer
41 views

How long can I run car accessories for before my battery goes flat?

I have a Hyundai i10 1 litre 2015 model. The battery it uses is 52ah and 12V. Given the scenario that the car battery is sufficiently charged after a long drive, the engine is off and I have the ...
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2001 gt eclipse head lights both went out same time

I have check the all fuses the ,check light bulb. An they are all good. All other light work ,just not headlights. I have also notice the interior & exterior lights go bright & dim low when i ...
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44 views

Cranking engine with coil wire removed - damage?

I cranked the engine while the wire connecting the coil to the distributor was removed in order to not spark the engine. Apparently this is not the right way to do it. Have I caused some damage by ...
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Turn indicator and high beam always on

Citroen c3 1.4 03 ... I bought the car over a week ago. When I start the car up the right indicator comes on and also the high beam. I have to disconnect my battery to get them off but when I ...

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