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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144 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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1answer
4k views

Is it possible to disable central locking on a Jaguar S-type (2000)

One of the many problems with my car is that occasionally I can't lock it because a mechanical problem in the passenger side front door interferes with the central locking process. I lock the drivers ...
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22 views

Gsxr 750 k1 loss of power after trying to jump

Tried to jump start the bike which did have some power. The black and red connectors touched. Sparks followed. The battery is ok but the bike is dead only the neutral light showing. Any ideas where to ...
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22 views

Random Battery Voltage Drops

I have a 2008 Pegout 207 that does not start anymore, since the car has parked for a while, I assumed it was the battery (the battery icon was flashing). Even with a new battery the car does not start,...
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18 views

'09 Prius II - No Start. Hybrid light and CEL on

I got a new (used) prius a couple weeks ago. Apparently sold by a weasle. It's never started reliably, and the red triangle light comes on / off. Jumping it would start it though. I replaced the low ...
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36 views

Dismantling a rear view mirror to access mic/compass

I have a 2012 Ford Mustang V6 Premium convertible, and it comes with a rear view mirror that contains a mic for voice-activated features and a compass. I recently removed that mirror and replaced it ...
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42 views

No lights on my Jeep Wrangler Sport, bulbs and fuses spear good

No tail, marker or parking lights on driver side of 2013 Jeep Wrangler spirt, fuses all seem good and bulbs not burnt out, HELP!
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1answer
52 views

Removing a Voltage Regulator after exchanging a dynamo for an alternator

Authi Mini 998 MK2 from 1972 (spanish mini) I removed my dynamo and replaced it with an alternator. Alternators have internal voltage regulators making the existing voltage regulator innecesary, ...
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Trying to find out if my BBR tuner is burnt out or is it my magneto

I was riding my bike in my ground wire fell on my exhaust and burn is that enough to short out my BBR2 cdi or magneto should I check my wiring.I don’t have a volt meter handy ...
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1k views

No electrical to the dashboard after attempting jumpstart with Schumacher charger

Tried to jumpstart my car. It didn't start. Now afterward the car is in worse shape, there are no lights in the dash anymore when I turn the key, regardless of attempt to jumpstart. Hazard lights ...
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How to disable the Torque Converter Clutch Solenoid on a 2001 F-150 with the 4R70W transmission

In another post, I mentioned that when I am trying to cruise I get a massive stuttering from my drivetrain. My only conclusion is my vehicle's torque converter clutch no longer can actually lockup. I'...
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66 views

Which Wires to Wrap Anti-Rodent Tape With?

I am planning to wrap some of the wires in my Honda CRV/Accord's engine bay with anti-rodent electrical tape. Which wires should I wrap and which ones should I NOT wrap? Are there other parts that ...
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17 views

FI light has come up after a ride on Sunday fresh road works got a bit of tar seal under the bike

Code is 65 but I can't find it on the list the bike is a 2010 400r kawasaki ninja any help would be much appreciated thanks
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51 views

Why is there no power going to my fuel pump?

2003 Kia Spectra, here's the backstory : I recently changed the spark plugs and soon after doing so I tried to turn the car on and it only cranked. The owner before me probably try to work on the ...
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3answers
7k views

Vauxhall Zafira rear lights not working

Hi all I have a 2006 Vauxhall Zafira and have a problem with my rear passenger side lights, the indicator is working fine but no brake light or evening lights I have changed all the bulbs and still ...
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Car electronics not working / No start

All happened when negative metal touched postive on the battery with the negative on the other side. . won't work Fuel pump Electric widows Dashboard lights No horn No hazards Car won't start ...
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1answer
56 views

Charging problem

Ducati 450 scrambler 1975 converted to 12v with Luas Rita AB11 electronic ignition it is so easy to start with this modification I put a new original alternator 3 face that gives up to 55v at 5000rpm ...
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44 views

Rear camera on in every gear

Rear camera comes on in every gear although it has been wired correctly to reversing light cable. There was no earth cable on the camera.Any ideas why this is? Regards How Þhe rear camera has been ...
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1answer
163 views

Why does my diesel lose electric power when glow plugs are engaged?

When I went to start my van today I was unable to get power. Initially I engaged the glow plugs four times. The glow plugs heat, then the relay chatters. When I turned the key to start there was a pop ...
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1answer
4k views

Why does a backup camera work without the ground wire connected and is it needed?

I am in the process of installing a backup camera that has the same wiring as shown in this picture: The cable in the middle with a red and black wire coming off of it connects to one of the two ...
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5answers
14k views

Bypassing bad diodes on failing alternator

I'm troubleshooting my alternator and believe I have traced the issue to bad diodes on the diode plate. Here is the schematic of my alternator So I've a couple of questions I don't understand. What ...
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1answer
70 views

None of my car fuses provide power when the key is in ignition

I am installing a dash cam in my 2011 Ford fusion and hardwiring it to my fuse box. in the instructions it says it must be connected to a constant fuse and a switched fuse. I have a test light and ...
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18 views

Car multimedia red screen

My screen started to give this reddish screen partly on the screen. Sometimes it disappears sometimes appears. The only thing I m suspicious is that my backrear camera was broken, I resoldered its ...
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45 views

My Toyota kills USB sticks connected to USB/AUX music port

I have a Corolla 2013 S. It's the second time happening. The USB stick was connected to the Audio USB/AUX port like always (#19 below). I was just trying to play some music, and realized it doesn't ...
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1answer
28 views

2007 Mercury Montego Premier Various Electrical Issues [closed]

Recently purchased an 07 Mercury Montego Premier for a secondary vehicle/work vehicle. Engine seems to be great, but there are various minor issues that just annoy me. Driver's side window works, ...
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23 views

Cranking start from time to time on a VW Golf mk4

My VW Golf mk 4 has been cranking from time to time for the last 2 or 3 years, or perhaps a little bit more. It's not something that always happen and I believe that it's specially prone to do it when ...
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1answer
727 views

Motorcycle Starting Issue - no longer starting after attempting to jump with a car battery

I tried jump start my bike with my car battery because the motorcycle battery was really low and would not start. I mistakenly touched both ends of the jump leads together and cause a big spark, ...
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0answers
55 views

Isolator or Separator for my Hitachi alternator

I am looking to charge an auxiliary battery for my motorhome, but am not sure if I can use an isolator given the alternator. It is a Hitachi LR160-78B 60a alternator in a 1985 Nissan 720 pickup (...
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1answer
71 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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3answers
537 views

Which car parts require more energy than the starter?

Today, my car didn't start. I think that the crank was turning over because I could hear the loud sound a car makes just before starting up but the car was not starting. I called a mechanic. He ...
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1answer
31k views

Will a BCM prevent a car from starting?

I've been dealing with an issue for over a year wherein my 2005 Pontiac Grand Prix starts sometimes and does not start at other times. I had the issue diagnosed last year by the GM dealership. They ...
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3answers
7k views

Electrical - Low beams out, high beams still work

I have a 2001 Mitsubishi Lancer CE, unfortunately both low beam headlights don't work. However, high beams and parking lights both work. I've checked the fuse, relay and bulb, all appear to be working....
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16 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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5answers
2k views

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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3answers
32 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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31 views

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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38 views

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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2answers
1k views

Using a solid state relay in a car

I have this project where I'd like to put a SSR in the ignition, to control whether or not it can be started. I'm not sure what power requirements are though. My vehicle is an 01 Oldsmobile Alero v6. ...
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21 views

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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0answers
25 views

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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2answers
2k views

What was causing pulsing tail-lights?

I was behind a Honda today in some traffic, and I noticed its LED tail lights were pulsing a couple of times a second, and I want to know what may have been causing it. It seemed to stop once we were ...
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2answers
4k views

2010 Honda Accord with intermittent electrical shut down problem

I have a 2010 Honda Accord EXL with about 74,000 miles and I live in Southern California. For the past 2 months, I've been experiencing intermittent electrical shut downs while driving: Scenario 1: ...
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1answer
119 views

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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1answer
15 views

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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1answer
100 views

2004 Toyota Corolla No Crank No Start

Some recent history for this vehicle: The battery had stopped charging. Alternator bench test passed. Battery bench test passed, but "in late stage of life". Reinstalling the original alternator ...
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1answer
78 views

**SOLVED** Right head lamp full beam not working

SOLVED Any help appreciated!! Both head lights are working as normal when on low beam. The moment I switch to high beam the left headlight goes to full and the right lamp goes out entirely. I've ...
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1answer
70 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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1answer
13 views

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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1answer
854 views

Mazda Axela 2009 Pioneer C9P5 Head Unit

My car is a Mazda Axela 2009,it has a Pioneer C9P5 Head Unit installed; a flat battery has wiped the settings for the backing camera, how do I restore it?
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27 views

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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