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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252 views

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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62 views

Why did car just overheat and aftermath?

Hyundai coupe 2006. I tried to recharge a deeply dead battery by attaching jump wires from donor car directly to terminals of isolated battery(not in car). I kept the donor car constant at 4000rpm for ...
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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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180 views

How can I swap wires/pins on generic aftermarket O2 sensors?

I purchased some generic aftermarket O2 sensors for my 2002 Land Rover Discovery 2, which were significantly cheaper than the "official" Land Rover replacement parts. Unfortunately after installation,...
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1answer
2k views

Honda Accord trunk latch button won't open the trunk

The issue is regarding a Honda Accord Euro 2007 model (CL7), The button on the trunk lid won't open it anymore. The trunk can be opened using the key fob, so the electrical actuator is in working ...
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19 views

What factors can make a battery appear better or worse than it is?

With regards to better, I know surface charge is one so best to leave it for a few hours and check. Not holding your multimeter properly. Would the battery being connected to switched off car cables ...
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53 views

Will this method work to recharge deeply discharged batteries?

I have a deeply discharged battery(showing 0.49 volts or so) and the parts store have told me it is not charging after 3 hours so it’s not rechargeable. In this answer the comments somebody mentions ...
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85 views

Car losing power on turning key, but returns shortly after

I drive a 2014 Chevy Spark. Before turning the key even to the accessory position everything works perfectly, as soon as I get to the ignition position all the electronics die and the motor doesn't ...
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1answer
66 views

Choosing Jumper Cables

The variables when buying jumper cables seem to be: length cable thickness amps engine cc Length obviously determines how far it can go. What affect will cable thickness have? Is amps simply the ...
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1998 Ford Expedition: Symptoms of dead battery while jumping

I'm attempting to get my 1998 Ford Expedition 5.4L V8 to start after sitting for a few months. Initially, the battery was dead, so I put it on my charger for a while. After the battery was charged I ...
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1answer
42 views

What's the right tape to use on split loom tubing?

To wrap split loom tubing, do I use regular electrical tape, or do I use something else?
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2answers
806 views

98 Grand Cherokee drains battery

The battery would go dead after sitting for a day. I checked battery and found a bad cell with a hydrometer. Replaced the battery and the problem remained. I hooked my meter between the positive post ...
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Next step in diagnosis? Yaris 2005 wont start

First time posting on this stack-site so forgive if I do it wrong and please let me know how to improve my post. I have a 2005 yarris that stopped at the lights a few months back and wouldn't start ...
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New ECM, car will not crank, VIN is programmed correctly

I have a 2013 2.5L Chevy Malibu LS, which had a bad ECM (Water got in and destroyed part of the board causing random sensor errors and randomly killing the car when driving, randomly deciding not to ...
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1answer
101 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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441 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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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
513 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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3answers
23k views

Why do we use a relay and switch to control on/off of horn circuit instead of using a simple swtich?

I know that a horn requires a larger amount of amperes to operate than many other electrical systems. I am reading a book and I stepped into this situation: ..shows a relay application in a horn ...
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1answer
47 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
369 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
26 views

Hyundai can't remove key

When switching car off unable to get key from the switch. The switch will not go past acc. point. Remove battery ground cable then able to switch to lock position and remove key.
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1answer
80 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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1answer
95 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
59 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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1answer
77 views

Mini Cooper R56 Completely Dead

I drove mini cooper R56 for a very short distance for about 4 minutes, the whole car died completely. The battery was working fine, everything else seemed fine but the car died altogether. ...
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1answer
38 views

Power cable in 02 Chevy Suburban - where does it go?

I noticed on my 2002 Chevrolet Suburban that there’s a cable under the bonnet that’s unplugged and I’m trying to work out where it goes. I’ve included photos of it and where it runs. There’s no ...
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VW Jetta MK2 cluster lights

When I switch on my the lights when the car is running the cluster lights goes off and increase the brightness the rev counter goes down and it lights still don't light up but when the car is off the ...
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5answers
41k views

'09 Chevy Malibu - No Crank, No Start - Heavy Troubleshooting Already Completed

Answer: Turns out the computer was shot, entirely non-functional. Swapped one out and the car started right up. For future readers: The computer is a likely cause if the vehicle has power, yet ...
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1answer
208 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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44 views

What diagnostic tool do I need for my car?

Car is a civic coupe vti 1999. The check engine light has come on. There is no obd port on this car as obd cane in use after 2000 I believe. So what device do I need and what is the name of the port ...
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Accidentally shorted trailer light, now 4-pin trailer doesn't work on 2016 Hyundai Santa Fe

The Car I have a 2016 Hyundai Santa Fe Sport with a tow package on it. 60,000 miles on the odometer. We recently bought a 5'x8' Carry-On trailer to move a couple motorcycles cross-country. Problem I ...
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22 views

On charging a battery via jump leads

If battery is not fully charged and you disconnect clamps from drained battery then add jump leads directly from car with health battery,l to drained battery terminals, will this charge the drained ...
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1answer
64 views

Brake lights are not working after removing rear bumper

My Audi Q5 2013 was at a garage for a paint job and since then the brake lights are not working. The other lights are still working i.e. above the window, those in the rear bumper and above the ...
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2answers
664 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
43 views

Cool Ventilated and heated seats, can both options be used at once?

In our S 350, both can be turned 'on' at the same time in the front and rear seats. Now it that going to mess up the motor?
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1answer
30 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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1answer
28 views

What type of relay do I need?

This is the relay I need to replace. I have the part number so can find it however I’m wondering if this is just a generic item and if so what is it called. I can see it is a 4 pin 12volt 20amp relay ...
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1answer
193 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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1answer
99 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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2answers
147 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
55 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
66 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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2answers
6k 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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2answers
375 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
586 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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1answer
44 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
1k views

Electrical power shutting off while driving. 2002 Buick Rendezvous CXL

I've had this problem for about a week now. While driving the car radio, instrument cluster, A/C and lights shut off intermittently and I can hear clicking from relays in the fusebox. The engine runs ...
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2answers
443 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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12 views

Rear central locking and alarm problems

My car has been driving me crazy, I have a Mondeo 57 plate titanium x, 2l diesel. The CPU needed reprogramming before I even drove it but when you're given it for free... Any way a couple of days ...

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