Concerning the main electrical system of a motor vehicle or internal combustion engine. Consider a different tag for radios and other such systems.

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3
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1answer
2k views

Jetta intermittent starting problem

I have a 2007 Jetta with 75k miles on it. What I'm running into is that out-of-the blue, the car will not start. Generally, it turns over, but never starts. One time, it started but shut itself off ...
8
votes
4answers
18k views

What are the tradeoffs for positive vs. negative ground?

I just got a classic Ford 8N tractor running again. Someone trying to be helpful flipped the battery around, connecting negative to ground. This made the engine crank backwards! So I had spark, ...
2
votes
2answers
500 views

Shorted electrical, lots of things not working

I was installing a boost gauge, and must've shorted something out because now my turn signals, fog lights, ac blower, and wipers don't work. I checked the fuses but they weren't blown. How can I ...
2
votes
1answer
538 views

Chevy Malibu 2009 won't start

I have a 2009 Malibu, yesterday I was heading back from school, then I started hearing a bizare sound like a whining sound, 2 minutes afterwards the engine stopped. When I got off to check under the ...
1
vote
1answer
2k views

Why is my Temperature gauge keeps going up to hot and car loses power whenever this happens

The problem started a year ago. I changed the engine because there was oil coming out of somewhere. The mechanic said I had a hairline crack. I changed all of the sensors etc ... not too car savvy ... ...
4
votes
2answers
788 views

2002 Saturn SL2 Stalls After Warmup No Spark

My SL2 stalls (it just cuts out, no warning) shortly after warmup (this all started right after I topped off the coolant after a low coolant light came on, although I don't know if they are related). ...
3
votes
0answers
146 views

Electronic problem with Ford Fiesta diesel

While driving my Ford Fiesta Classic diesel engine car, I lose all the acceleration. The RPM meter gets stuck on 2 and all other readings were reset automatically in the speedometer? What could be the ...
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vote
1answer
216 views

Low beams don't work on VW Golf MK3

On my 1996 Golf MK3, the low beams stopped working. I checked the fuses, that's not it (swapped 1 & 2, low beams, for 11 & 12, high beams). I wiggled the ignition switch and the headlights ...
3
votes
1answer
1k views

Head Lamp on Honda Shine

I'm planning to change/modify the Headlight bulb. kindly suggest. My bike (Honda Shine) has 12V 3AH(MF) Battery & Head Lamp 12V 35W/35W halogen bulb. In rainy season & city Bye-pass roads the ...
1
vote
1answer
133 views

My car starts fine but spits and sputters until I unplug my temperture sensor then runs without sputtering

I replaced the alternator and afterwords my car would start, but run like its missing. When I unplug my temp sensor it runs without the missing. Even when it's plugged up, you hit the gas and it wants ...
4
votes
1answer
1k views

2007 honda cr-v dead battery, electrical fuses blown

Honda CR-V 2007 I parked this car on Friday. It would not start on Sunday and the cd changer changed a bunch every time I tried and a few other dash lights came on. It was cold during the 2 days ...
2
votes
0answers
19 views

Broken spark plug stuck/seized in place [duplicate]

Changing spark plugs to a 2002 chevy cavalier last one broken and stuck! Tried soaking with wd40 & PB Blaster but still not moving...any advice?
2
votes
1answer
171 views

Car stalled and restarted after some minutes

I have a very old car which uses mechanical transmission (Maruti Zen) Recently while driving on the road, I switched off the engine because of heavy still traffic. I forgot to turn off the head ...
2
votes
1answer
2k 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 ...
4
votes
2answers
111 views

Low beam headlights failing every 3-4 weeks

I have Volvo XC90 2006 and for the past few months every 3 - 4 weeks changing low beam light. Last time even did not last 5 days. Any recommendations why this light is failing?
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vote
0answers
45 views

Convert my 05 mustang to electric [closed]

I'd like to convert my 05 mustang to run by electric power. Is there anyone who I can pay to do the conversion? If not for me is there any place that will in general do conversions?
1
vote
1answer
378 views

MAF sensor output signal vs. RPM?

I read that the MAF sensor output voltage increases as RPM increases. The ECU uses this voltage to determine other things, like idle RPM, ignition timing, fuel injectors, etc. Where can I find the ...
7
votes
1answer
263 views

GPS dashboard mount replacement?

When I bought my car, they were doing a promo and shipping a Garmin GPS with it. Thing is, the GPS came with a nice mount, fixed to the dashboard. This was great, because it meant no wires going ...
2
votes
3answers
11k views

Can I charge a Car Battery with a Motorcycle charger?

Car battery to be charged is a DIN66 which I think is about 65ah. I have a Motorcycle charger which says it can be used on cars; it suits batteries from 4 ah to 40 ah. Does this mean that it can ...
5
votes
1answer
376 views

Should I replace this stator? (2007, Suzuki, DL1000)

I opened my stator case to inspect what I thought was a bad stator. I discovered the following issues with my magnets: Broken Magnets: Cracked Magnets: Not sure if I need to replace stator ...
4
votes
1answer
2k views

Repair or replace frayed fuel injection wiring harness?

This is on a 2008 Chevy Impala, 3.5L V6, non-flexfuel. Recently got cylinder 1 misfire / ignition failure codes. An investigation revealed that mice had gotten into my garage, made themselves at ...
0
votes
1answer
71 views

Putting three headlights on my bike

I want to fit a total of three headlights on my average 220. What type of modifications do I need to make in the wiring to make it possible?
3
votes
1answer
806 views

Car won't start/respond to remote or anything until headlights are turned on

I have a 1998 Infiniti I30 in really good condition except for this issue I've been experiencing lately with increasing frequency. What happens is, and there's no surefire way to reproduce the issue, ...
3
votes
3answers
112 views

How do I check that my battery receives enough power from generator?

I suspect that my battery does not receive enough power from the generator. How do I verify that? I know that involves a voltmeter, but what are the exact things I'm measuring and how? I have a Skoda ...
1
vote
1answer
23 views

2001 Dodge Durango Acts like door is open when they are shut

On our 2001 Dodge Durango sometimes acts as if a door is open and all the cab lights come on and the bell keeps dinging even when they are all closed and we are driving. When this happens we also ...
4
votes
2answers
3k views

What is the correct/factory wiring for a Suburban 1998 battery/alternator?

I have included a picture showing what I have now on this Suburban. Note that there is wiring not shown in the picture which is a second electrical connection to the positive side of the battery ...
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vote
2answers
358 views

Motorcycle stalls shortly after starting

I have a BMW 2008 F 800 st and the oil looks watery. It stops pretty frequently after riding it around the block. When it stalls, after some hesitation, it will start again. I need an unbiased answer ...
2
votes
2answers
79 views

99 Mustang Volt Gauge Issue

I have a 99 Mustang 3.8 liter engine. Battery gauge was going down so I had the battery and alternator tested. Was told battery was bad and I replaced it. Same thing happened. I replaced the ...
2
votes
1answer
187 views

After swapping batteries, truck is really dead, except the headlights.

I removed battery from 1997 Tacoma to replace dead battery in Sienna Van and took dead battery to repair shop for testing. Repair shop tested and charged the battery. Now Tacoma is using a fully ...
2
votes
2answers
390 views

2009 Aveo electrical problem

I have a 2009 Chevrolet Aveo that I bought new from the dealer. Today I was running errands around town and just as I was about the get on the highway to head home, the battery light and emergency ...
3
votes
1answer
9k 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 ...
0
votes
1answer
164 views

My Citroën C2 VTR won't start after putting a subwoofer in it

My Citroën C2 VTR won't start after turning the key. It's making a click sound. This only started happening when I put a subwoofer in my car. Can you tell me what's wrong?
3
votes
0answers
855 views

Mercedes C250- Eco mode not working

i have a C250, W204, 2011 model, and i noticed that the ECO mode is not working anymore. When i turn the car on, the ECO button light is green and the ECO sign appears in the cluster. After 1-2 min, ...
3
votes
1answer
1k views

My motorcycle won't start at all why?

Something is draining my battery and my bike won't start. If it's the relays which one is it? My motorcycle doesn't crank at all. it makes a buzzy noise when I press the start button. It sounds like ...
2
votes
3answers
417 views

98 Tiburon won't start and doesn't make a noise

I have a 98 hyundai tiburon. recently the battery light went on when I was driving. the next day my girlfriend left the headlights on and the battery died. We tried to jump it with no luck. I got the ...
2
votes
1answer
2k views

2007 Camry went dead while driving. What are some reasons that could cause this?

I've got a 2007 Camry. Bought it brand new from the dealer, have only ever had it (regularly) serviced at the dealer. I was on my way home from a meeting today, and I was driving down a road. The ...
3
votes
1answer
2k views

2008 Pontiac Grand Prix Fails to Start and Electronics Go Awry

My mother-in-law drove over this morning to pick up my wife, and when they tried to leave the car wouldn't start. Not only that; the horn honked, the wipers started, the trunk popped open, and the ...
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vote
0answers
205 views

Car will not restart after running a while [closed]

I drive a Maruti Alto 800, 2013 Petrol model. It is a manual car. It starts fine, cold. I drive for, say half an hour and stop for say refueling then it would not start. It would start after waiting ...
3
votes
0answers
428 views

Turn signal malfunction, is it multifunction switch or the flasher relay should be replaced?

I am having a similar problem on my 2007 Jeep Grand Cherokee Laredo, and the problem is: Stalk left: left/right all off Stalk neutral: left on Stalk right: left on. I will try the same trick and to ...
2
votes
1answer
732 views

How to replace the fuse for both indicators on a Nissan Wingroad 2004?

While towing a borrowed trailer yesterday, my indicators stopped working. The noise usually made by them turning on and off also stopped, and the lights for the indicators in the dashboard stopped ...
2
votes
1answer
414 views

Ford Figo Door light on when all doors are closed

I have a Ford Figo 2012, the last few weeks the door light on the dashboard has been on even through, all the doors are closed. (The light only comes on when I start my engine, as expected with ...
1
vote
1answer
500 views

Engine hesitates when accelerating - 1996 Sunfire

I have a 1996 Pontiac Sunfire with the 2.2L engine. When I accelerate slowly the engine seems to run fine. However, if I accelerate quickly the engine seems to hesitate. I have already replaced the ...
3
votes
2answers
2k views

Doors lock from fob, then unlock themselves

I have a 2002 S-Type Jaguar. When I hit the door lock button on the remote, they lock, then they all open back up in a few seconds. I can't keep them locked. What the heck is casuing this? Can anyone ...
6
votes
1answer
10k views

Why would my electrical systems cut out when I brake?

So I told this little story to the dealership service department, and they were baffled. Never heard of anything like it in ten years, said they'd have to examine it very closely. Here's what ...
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vote
2answers
865 views

2006 Kia Spectra5 Battery/electrical issue

The battery is good but the car is like there's no battery at all. No lights no nothing. Won't start, can't jump it. Got the car home on my trailer and later that night my son came home and said the ...
3
votes
1answer
228 views

'96 Buick Century Turn Signal Not Working

Yesterday I noticed that all four of my turn signals were not turning on. About two months I had the flasher replaced because they turned on but just would not blink, now they will not even light ...
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votes
3answers
411 views

How to increase fuel economy

What is the normal fuel consumption for carburetor type Toyota 3A engine? My 1986 Toyota Carina AT 150 car gives 11 km/l in city and 14 km/l on highways. How can I increase it more? Please advise.... ...
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vote
4answers
530 views

Tunning the ECU of a Volkswagen Golf MK6 1.6 TDI DSG

I am a owner of a Volkswagen Golf MK6 1.6 TDI DSG (105HP), and i am a beginner in mechanics, but in computers i am an expert. I stumbled upon those days on some websites that claim to bring you ...
1
vote
1answer
58 views

How is the power from the battery distributed when starting a motorcycle?

When starting a motor the emf from the battery creates spark (ignition system), but it also moves the engine's pistons (starter). My question(s): 1. Which requires more power - the ignition system, ...
0
votes
2answers
424 views

Tail-lights not working

Why doesn't my left tail light work on my 2000 Grand caravan. I have Changed the bulb. That didn't fix the problem.