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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1answer
61 views

Car Starts With A Jump

Car will start with a jump. Took car to Autozone had the battery,alternator and starter checked all came out good but still will not start without a jump. Any ideas?
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760 views

LED's Headlights turning off and on

I recently purchased a pair of Zdatt H13 9008 LED headlights for my 08 Dodge Ram 3500. After they warm up 3-4 minutes they turn off and on repeatedly. What am I missing and how do I fix this problem? ...
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1answer
552 views

Pontiac Grand Prix won't start, horn would honk, electrical system goes crazy

Some facts: My dad has an aftermarket Remote Keyless Entry Not aware of any aftermarket theft system, does not use keyless start He's used 410 watt power inverters through the cigarette lighter but ...
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1k views

New alternator whining?

I have a concern about a new alternator I put on my 02 echo, again it too does not have a tensioner. Belt tension is created by pivoting the alternator away from the engine. This was the first time ...
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2answers
97 views

Boat Alternator Charging 4 Batteries 70 Amp Draw 50 Amp Charge

This is the current situation, looking for some expert advice. Total amp draws with night time running lights + GPS + other accessories I am at about 70 amps. My alternator puts out max 50 AMPS ...
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2answers
112 views

Battery immediately drains upon Negative cable connection

Experienced problems starting engine. Removed battery, checked fluid level, hooked it up to trickle charge, and it readily accepted the charge. Put it back in and reconnected both cables, and engine ...
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1answer
54 views

Mk1 Ford Focus green residue on reverse light bulb

When changing my reversing light bulb I noticed green liquid on the bottom of the old one. The new bulb won't work at all. Do you think I just need to clean the socket out (and if so, do I use water?) ...
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2answers
193 views

3rd brake light flashing on Mercedes C-class

when appling the brakes my 3rd brake light flashes like a strobe light,can hook it to my standard brake light and it works But,looking for what voltage a 3rd led brakelight uses on a mercedes c220 cdi ...
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1answer
35 views

One of the turn signals does not stay on

My bike's turn signals supposed to be on as default while both riding and parking. I don't know how that thing is called in English so I put a promotional photo. as you can see both turn signals are ...
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560 views

No Power at All / Key Stuck in Ignition 2009 cobalt

went to start my Cobalt, turned the keys on, power flashed on for a second and then everything went out and keys got stuck in the ignition.
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1answer
25 views

Moped electrics cut out

Hello i have had my piaggio skipper for about 4 months and only recently it has stopped working When i turn then ignition key on all of the electrics come on fine, but when i hold the brake and press ...
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1answer
40 views

Burned out bulb might have drained my battery

I was cleaning the car last night and noticed the overhead bulb for the back seat is burned out. It was on position 'Door' (i.e. lights when the door is open). I've switched it off and on a couple of ...
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1answer
31 views

How to read a motorcycle bulb

My motorcycle's headlight bulb specifications are 12v-35/35W. What does a 35/35w mean here.(I know w stands for watts but why 35/35). Also headlight draws current from alternator whose specs are 0....
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478 views

What would cause a short to ground while driving - how to locate the problem?

So I was pulled up at the traffic lights yesterday in my 1980 Nissan Urvan (E23) diesel after just coming off a 30 minute commute on the freeway when all of a sudden the engine cut out and a few ...
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1answer
820 views

Intermittent car electrical problem causing starting issues - any help pinpointing?

I have this starting problem that I've been trying to fix for the past year now. Well, I'm not really a mechanic of any kind, so I spend ungodly amounts of money to local car mechanics for "maybe" ...
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1answer
49 views

Alternator misconnected, what adverse affects

Spent the night and the very early morning in the garage changing the clutch on my wife’s 1997 Mk3 Golf GTI 8V 2.0. She’s called me saying the battery light is staying on. When I’ve thought about it,...
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1answer
48 views

ignition coil or cam sensor or pcm making misfire in exhaust possibly?

I am not able to get the jeep to the auto parts and get it's diagnostic but I'm wondering if the coil pack could be my problem? I've tried to deduce the misfire for days and have read and tried ...
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1answer
83 views

My 1997 lancer jerks when accelerates and shakes when idling

i got a big problem, I have a 1997 Mitsubishi lancer, with a 1.6 liters engine, a 4g92 to be exact, and when Its idling it keeps shaking, the exhaust sound like there are little misfires, but no check ...
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1answer
33 views

Thermally shielding a cable

I recently bought and installed a GPS device on my FZ8 motorcycle that included a mounting-power supply kit along with it, as shown here https://www8.garmin.com/manuals/webhelp/zumo396/EN-US/GUID-...
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4answers
625 views

12V trickle charger reads 20V with multimeter?

I have a Silverline Trickle Charger that reads 'Output 12V DC - 500mA'. https://www.amazon.co.uk/Silverline-634004-Trickle-Charger-500/dp/B001C827ZA I heard the battery bubbling after a few minutes ...
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1answer
34 views

Renault Laguna 2004

I am charging my car battery indoors. So my car is unlocked at moment. Can I lock it using the pull out key on card key without battery connected. ??
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50 views

Volkswagen tiguan 2011 ignition problem and sound

When i start my vw tiguan after hours of rest, the rpm goes up to 2.2 (normally it was going to 1.2 approx) then goes down to 1.2 while making noise and crops as if it was turning on and off within ...
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1answer
50 views

2003 GMC Envoy: Bad circuit board?

I had a new alternator put in my son's 2003 GMC Envoy, and immediately after the climate display graphics aren't working. The dealership said it was a bad circuit board now. Could it be something to ...
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247 views

Alternator fuse keeps blowing, odometer keeps resetting and car won't start

I have an 06 Hyundai Sonata and I had my alternator replaced by a neighbor. Now my alternator fuse keeps blowing, my windows won't roll up, my car won't start, and the odometer reset to 0. What ...
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23 views

My 2010 VW Golf outside lights went Crazy

I was driving the other day an all of a sudden my car started popping up a bunch of warnings in my menu, 10 to be exact. All to do with my outside lights going out 1 headlight, 1 high beam , 1 brake ...
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1answer
23 views

Get 5V to USB Under Hood?

What's the easiest way to get 5V to a USB under the hood of a 2009 Civic (or preferrably, a general solution)? Basically, I want to put a custom theft-prevention device either underneath the dash or ...
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15 views

Adding cruise control on Saturn

I have a 2002 Saturn SL2 automatic. It didn’t have cruise control and I don’t want anything aftermarket. Has anyone added it on from another one? If so, is it plug and play, or is there programming ...
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1answer
52 views

COP +12V short to ground?

I have here a 03 Durango 4.7L V8 with a COP ignition system. Each coil pack has 2 wires which according to FSM one wire feeds all injectors and coil packs from a relay and one is a "signal" from the "...
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2answers
64 views

LED headlight set?

I have a question; my car is 2017 Hyundai Elantra. The output of halogen lights is not good on the highway. I really can't see the road and my car is new and under the dealer warranty. I decided ...
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2answers
431 views

My car won't start after replacing the battery

My husband passed away this past December and his car sat in my driveway untouched. He kept his car in the greatest condition and made sure it had the proper maintenance, oil changes, new tires and ...
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0answers
211 views

2006 Honda Accord Itermittent Electrical Shut Down Issue

Electrical Gremlins !!! - I have had on & off issues for 9 months now- first signs are car won’t lock with key (have replaced batteries) then while driving the audio will shut down briefly & ...
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1answer
138 views

'91 Toyota Celica GTR (ST183) charging diagnosis

I've been working on getting a Celica up and running after a couple years of laying mostly idle, it's been dry-stored for most of it. The biggest issue I have right now is that the system is not ...
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1answer
48 views

Wiring for radio issues?

I have a 04 jeep grand cherokee special edition and the factory harness was cut out so I figured whatever I'll just hard wire it. Found all the speaker wire colors matches them up but the battery ...
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1answer
278 views

Peugeot 307 multiple error codes, same cause?

My sister was driving her driving her Peugeot 307 XS 1.6 2006 the other day, and out of nowhere all these error messages start popping up on her screen. It started with "Battery charge or electrical ...
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2answers
896 views

Van won't start and no lights come on; battery good

I have a 1992 GMC Vandura 2500 5.7L. A few weeks ago, I tried to start it. All lights and radio came on but it wouldn't start. I tried again a week after that to show my dad but it still wouldn't ...
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0answers
37 views

No resistance measured between two electrical parts, ECU fault?

I'm troubleshooting a car with a faulty Camshaft Sensor error. I used the factory test plan to test the wiring between the sensor & ECU. Here is the wiring: ECU Pin87 -> Wireloom Pin 87 -> ...
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1answer
52 views

Starter won't turn even with jump cables

I've got an old Opel (Vauxhall) Vectra 96 that hasn't been used for a long time. This spring I tested it and the motor started fine, though I had to use jump cables because the battery is completely ...
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0answers
107 views

Battery Alternator and Starter Fine but have to jump start car

I have a 2012 Buick Lacrosse A few days ago it wouldn't start and appeared to be the battery or related issue. I just started it, ran it for a while, then turned it off and restarted it just fine. ...
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2answers
274 views

How to repair a broken rear window defroster grid?

I have 2012 Volvo S40. At some point, something has scrapped against the window and broken a few of the grid lines. The result is that part of the defroster grid does not work. Most of the window does ...
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2answers
3k views

Fog lights won't turn off

I came back from vacation (20 days) and my 2006 XC90 wouldn't start. The key fob wouldn't unlock which was the first indication and then I just had absolutely no lights so I assumed it was a full ...
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1answer
24 views

03 kia spectra runs on fresh battery

Car will fire up on good battery but after bout ten minutes lights go out acts hit nrake or anything and it dies hearing a buzzing from sensor or throttle body told needs alternator belt but seems ...
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1answer
232 views

2008 Toyota Corolla doesn't start when key moved forward to “start” position

When I went to leave work tonight, the car wouldn't start. I've tried two known good keys, and cleaning the battery posts and cables where they connect to the posts. There has been no indication the ...
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0answers
63 views

Dash board and radio screen flashing

I have a 2004 Saturn stick shift. When I go to put on the e-brake, my dash and my radio screen start blinking really fast. If I put on my right blinker, it doesn't blink but if i put on my left one it ...
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0answers
254 views

2016 Subaru Forester electrical problems

I want to get an advice on what would be the right approach to deal with our leased car, Subaru Forrester 2016. Our lease contract is for three years. We have another year until the end of the lease. ...
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1answer
200 views

2004 Honda Pilot sometimes only starts when hood latch released

My 2004 Honda Pilot occasionally will only start when the hood latch is released. When this occurs, the car is completely dead, and no electrical system works, including keyless entry, lights, etc. ...
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1answer
880 views

Nissan Rogue 2010 no reverse after replacing valve body

Vehicle moves forward Vehicle does not go backwards. Vehicle throws codes related to accelerator pedal position sensor. I didn't work on that so I am stupified. I have checked the service manual ...
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0answers
45 views

Why would this happen:

If anybody could help me understand this behavior, I'd be grateful: 2003 R1 5PW, Fuel-injected, has an alarm/immobilizer fitted, doesn't report any fault codes: Motorcycle would occasionally (three ...
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1answer
70 views

1986 Nissan D21 Connector Part

What is this? As a hint, I'm losing about 2 volts between the alternator and the positive terminal of the battery here. It appears to be the last connection on the way back to the battery, just after ...
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0answers
15 views

95 Aerostar Dash lights

thank you all for your efforts to help each other. My '95 Aerostar's dash lights, A/C and radio turn off when I brake. Anyone have an idea what the issue is?
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1answer
63 views

2002 Honda CB250 wont turn over after new battery

I recently bought a Honda CB250, and did the 30 minute ride home fine. Then a couple of days later I took it out again and pulled over after about 10 minutes of riding and turned it off. After that I ...