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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How To Diagnose 3rd Brake Light (Without Proper Equipment)

I have a 2012 Ford Focus (sedan version). The third brake light stopped working recently and I'm trying to determine if the problem is with the light itself or inside the vehicle, but a I have very ...
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Charge 24V Battery from 12V Alternator in Trailer

What is a reasonable approach to charging a 24V battery system from a 12V source such as an alternator? Can I simply use a 12v-to-24V step up converter? Seems I’d actually need this converter to hit ...
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1answer
62 views

Ride-On Mower only cranking once when starting

I have a Husqvarna TS 242 with a Briggs and Stratton 40N877-0016-G1 engine that I'm having some trouble with. My suspicion is something with the electricals - here's what I'm seeing. After a few weeks ...
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29 views

'00 Malibu no crank replaced ignition completely now worse. Help!

2000 3.1 V6 Malibu – I cannot get the engine to crank. What I have done in the last 2 months; Replaced the battery – tests @ 12.98V cables off, 12.78V cables on, 12.58V with key in (KOEO) position ...
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1answer
41 views

Issue with fuel injection pump?

I had been driving a TATA Indica Vista quadrajet 1.3L turbocharged (diesel) yesterday over a total distance of around 250kms. We had like a few stops in between at 5 or 6 places. After stopping it ...
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1answer
24 views

2007 Mark V Golf Electrical issue

My mark v golf is having issues. The car seems fine with key in, and when ignition turned on its still okay, then when you go to start it, there is almost clicking noises coming from the steering ...
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1answer
150 views

Why can't I get a spark?

I have an early 70's Honda SL125 engine and I'm trying to wire it up so that it can run without the battery. I found this guide http://waynescyclegarage.mysite.com/custom.html and I've followed it and ...
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1answer
461 views

2011 GMC Sierra 1500 low beams not working

The low beams on my 2011 GMC Sierra 1500 are not working. My high beams work in both switch positions. What is the simplest and cheapest way to fix this problem?
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1answer
26 views

How to hook up wireless charging pad to battery of my motor (Honda CBR500R 2020)

I want to hook up the following wireless charging pad in combination with my RAM mount X grip to my motorcycle's battery. I am a complete noob when it comes to this electronics. How can I make sure I ...
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260 views

Holden Rodeo Headlights Randomly Stop Working and Come Good

My 2000 Holden Rodeo has started having issues with its headlights. Randomly the headlight will go out while driving or won't start when I turn them on. Have tried... shaking indicator stalk rapidly ...
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1answer
239 views

How to avoid rats biting/chewing a car's wiring and interior?

We have a problem where if a vehicle is parked up for more than a week rats are biting and chewing at the wiring and dashboard. What is the reason for this and is there any way we can prevent it from ...
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2answers
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Window switch works when it wants to

I bought an aftermarket window master switch for a Jeep Liberty it works most of the time when it stops working and all I do is unplug it and plug it back in and it works fine for about a week then ...
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2answers
822 views

'94 Kawasaki ZZR600: Electrical issues

first post here, be gentle :) I have an (presumeably) electrical issues with my '94 Kawasaki ZZR600 (ZX6). Two weeks ago, I was ready to go to work when suddenly the bike died on me, all electrical ...
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1answer
55 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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1answer
847 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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1answer
32 views

VW EOS ESC Error message

My VW 2015 EOS works great but since my last tire rotation, the ESC Stabilization Control Error appears while drive on dry roads at a constant speed. Engine slows, cannot accelerate. Must pull off ...
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1answer
118 views

Blower motor running wide open after replacing resistor

After i replaced the resistor for the blower motor the fan runs continuously. It doesn’t respond to the fan control knob even to turn it off. Also now the the a/c compressor is not kicking on. Is it a ...
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4answers
1k views

Why did the old-school thermal flashers remain in use for so long?

I'm rebuilding an MGA and i'm at the point of revising the electronics. Today I was making a DIY flasher with a simple RC circuit. This will replace the old thermal flasher which depends on the right ...
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1answer
592 views

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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1answer
81 views

Jeep wont start when cold

This is weird never seen anything like it my 1991 jeep cherokee will crank over and start right up on any warm day but when it gets cold out it will crank over but no start? Now i tried giggling the ...
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2answers
1k 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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27 views

2010 Town and Country electrical issues

My wife's 2010 Town and Country has developed a number of issues and I can't tell if they are all related much less how to fix them all. The driver door and the driver side sliding door will often ...
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2answers
1k views

Differences between drive by wire and drive by cable

What are the main differences, advantages, and disadvantages of using a drive-by-wire versus drive-by-cable system?
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1answer
233 views

2013 Mazda 3 Engine not turning off while pushing the start/stop button

My 2013 Mazda 3 does not turn off the engine while pressing the start/stop button. If I continuously press the start/stop button for three or four times then engine stops and goes to the acc mode. ...
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1answer
50 views

Citreon C4 Grand Picasso HVAC inoperative

I havent driven my C4 since before Christmas but ive been starting it regularly and keeping it snow free. Just started it again but the air con and demister isn't working. Could it be frozen?
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1answer
43 views

Motorcycle Electrical issues

I have a 2013 Ducati Monster 696cc that wont start, when I turn the key to the leftmost position the dash does not light up. None of the lights turn on except for one out of four LEDs that are mounted ...
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2answers
9k views

EFI fuse blows randomly.

I am beating my head in with this issue. EFI fuse blows randomly, I have found no patter. When it blow, it will keep blowing them and not start. I have to disconnect the battery first and then replace ...
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1answer
125 views

2009 Suzuki LS650 Battery Problem/Question

I bought a new battery that had the same amp and voltage as my current battery that I was going to replace. I double checked via the website, and they confirmed it would fit my motorcycle. (Moto ...
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1answer
263 views

How likely it is that low alternator voltage cause Xenon HID headlamps ballast to fail?

It seems that the alternator is producing a bit low voltage, about 13.4V max, while this should be over 14V AFAIK, undercharing the battery. The left Xenon HID headlamp ballast failed some time ago, ...
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2answers
289 views

2005 Honda Civic - Interior electronics shut off intermittently while driving

My fiance's 2005 honda civic has had the interior electronics shut off while she was driving on a couple of occasions (weeks/months apart). I have not been able to reproduce this or been around to ...
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1answer
59 views

Ignition Switch Issues

I have a 1999 Daewoo Lanos Auto For some reason my ABS, brake and engine warning lights have come on permanently When this happened the wipers, windows and heater all stopped working, I had to call ...
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3answers
76 views

My 1999 Toyota Sienna takes time to start and when I press accelerator it goes off

My 1999 Toyota Sienna will take time to start when it cools and when it eventually start and I want to raise it by pressing the accelerator, it goes off and I have to restart it again. And again if I ...
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1answer
632 views

Toyota picnic car

My Toyota picnic is giving me problem, when driving on motion the car fired well and after covering some kilometres it started jerking heavily on slow down mode either for pot holes on the road or ...
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2answers
473 views

Electrical issues with Mazda3 '07

Recently I started experiencing some weird electrical issues with my car: FM stations settings get lost My remote key gets unpaired The engine often shuts down at intersections (when stopping) as if ...
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1answer
50 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
236 views

Loss of power to the sound system. Can it be the ground?

I have a 2008 volkswagon rabbit. The sound system has stopped working completely. I've checked the fuses and none of them are blown. It is a stock 2008 vw rabbit 4 door which came with the ...
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2answers
548 views

2006 Buick Rendezvous 3.5 will not rev over 3500 rpm in park or driving with pedal to the metal. Any ideas?

3.5 will not rev over 3500 rpm. PO 449 is the only code stored. It will not rev over 3500 cold or hot. After driving 10-15 minutes seems like the transmission is searching for a gear, just ...
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1answer
269 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 ...
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5answers
50k views

What happens if I disconnect the battery while the car is running?

There are some comments on the question Are there any modern diesel engines that require electricity to continue running? suggesting that disconnecting the battery while the car is running can damage ...
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0answers
23 views

How to fix fog lights not working?

Hyundai Tucson 2013 GLS 4DR My fog lights are not working, and I don't remember them ever working, basically I never required them. I attempted a number of things, but nothing seems to work :( the ...
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1answer
234 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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1answer
37 views

Adding 12v anderson connector

I'm looking to add a 4awg cable from the battery up front to an anderson connector at the tail of the truck to provide additional power to my trailer. Normal power draw would be less than 50 amps. I ...
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1answer
276 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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1answer
2k 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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3answers
2k views

why have car grounding strips disappeared?

When I was a child, I remember most cars having a grounding strip, like the one in the picture below: But nowadays, I don't see any car having them. What is the reason they have disappeared / become ...
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1answer
61 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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1answer
143 views

Starting car for first time in several months; arcing and turning of an electric motor when reconnecting negative terminal

Ref. Mazda Tribute, Benzene, V6, 3 litre, Auto-Transmission, 16 Years old approx., 165,000 km approx., 5th Owner The car has been parked on the street under daily heat from the sun for many months, ...
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0answers
17 views

Rewiring fuel economy gauge to show engine temperature?

I have a 2010 Subaru Outback Premium. I hate that it has an analog fuel efficiency gauge instead of an engine temperature gauge. Is it possible to rewire the cluster so that it displays engine ...
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1answer
2k 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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12 views

Power window motor (LH) in Nissan Versa 2009

Recently I got a problem in my Nissan Versa power window motor (Driver side), about 3 weeks ago, sometimes the window goes goes up and down normally and sometimes it stuck and doesn't move at all, ...

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