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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662 views

Vauxhall Vectra C Blower Motor Sqealing / Clunking

I have just replaced my Blower Motor Resistor as my fan wouldn't work on any setting other than 4 (in line with a previous post: How to troubleshoot a fan that won't work unless it's on ...
4
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1answer
505 views

Honda Prelude: digital fuel and temp gauges dimming and brightening repeatedly

I have noticed an annoying issue on my '94 (4th gen) Honda prelude. The digital petrol and temperature gauges appear very faint when starting the car. After about 5 mins they brighten again, only to ...
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1answer
714 views

Misfiring Engine Hyundai Accent Executive

My Hyundai Accent Executive is 2001 model. Recently the engine started misfiring badly during idling with Air conditioner on. It is almost like the engine is going to turn off any moment. The ...
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32 views

Car stalls/dies suddenly while driving and is not starting again

I own a Indian Make TATA INDICA Ev2 (CR4) Turbo Engine car. i did rebore recently and the milage was 1,30,000 KMs. after rebore first service of 3000 km is successfully completed and now i'm facing a ...
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29 views

Why would headlights stop working after turning over

I have a 2006 Pontiac G6. When I walk up to the vehicle and unlock it, the headlights turn on. After I get into the vehicle and turn it over, I cannot turn the headlights back on. Fog beams and turn ...
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57 views

03 chevy impala- I have a bad misfire

When I push on the gas it hesitates to go. The check engine light starts flashing but once it gets rolling its gone. I change the spark plugs, put in a gas treatment, shot some B-12 in it and ...
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45 views

Audi A6 C6 on board computer is off

I'm not sure if it's something wrong with on-board computer or I just don't know how to turn it on. When the car is started the display is completely off. and only turns on sometimes when some kind of ...
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46 views

Low beam not working in headlight

I have a 1999 Miata, i bought the car for 750$ as a project car. it had some body damage but i figured i would fix it. The car is mostly done now, but i have one major issue. The low beams in my ...
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257 views

Ford Fiesta Mk6 Diesel Engine Fault

Upon acceleration the following lights illuminate once the engine reaches 3000-4000 RPM: A message; "Engine Fault" appears on the dash screen. Once this happens, the engine will no longer rev ...
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1answer
189 views

Horn blows constantly and tail lights remain on

I was pulling up my drive this morning when my horn started blaring non-stop. I got out and pulled the horn relay to make it shut up. I tested the relay and determined that it was working fine, and ...
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2answers
667 views

How to simulate that automatic-engine stop feature?

I have a brand new Honda Vezel (Japanese market only). It has this fanciful but useless and nuisance feature that shuts down the engine when I come to a stop and automatically restarts the engine ...
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2answers
524 views

Will an auxiliary battery hurt a vehicle's alternator?

I am going to be road tripping and living out of my SUV for a while. I need a way to power a tiny portable cooler/fridge 24/7 and would like to be able to power my cell phone, laptop, and maybe a few ...
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2answers
108 views

What are the implications of driving through flood water when I have a high air intake?

My 2003 Opel Agila 1.2 Petrol, has a high air intake. Here is the approximate location of it: [ Here is the engine bay, showing the air intake on the left. Is the height of the bottom of the ...
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1answer
146 views

Are there any modern diesel engines the require electricity to continue running?

I was reading this question about an owner checking the alternator by disconnecting the battery, which is an easy way to validate on a gasoline engine. The single answer assumes that the OP is ...
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3answers
73 views

How can you use the headlights to tell the quality of your battery?

I understand that all headlights do dim briefly when you turn the engine on and that this is normal. I also believe that the headlights will dim more if the car battery is in poor condition. I hope ...
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2answers
381 views

How do cigarette lighter splitters work?

I have a 3 way cigarette lighter splitter that says: Input: 12VDC, 8A Output 3 Ports: 12VDC up to 8A Fuse: 8A, 250V Does this mean it outputs 8A per port or, does it mean if the load of all ...
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3answers
103 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. Anyways, I called a mechanic. ...
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1answer
3k views

Battery dash light comes on when starting car then disappears while driving

2002 Honda Civic EX here. When I start my car, my battery dash light has been staying on usually until I get onto the highway, then it will turn off. If I hit a stop sign or red light, then it'll ...
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2answers
494 views

Writing CAN Messages

I want to know what should I write with the CAN ID to send it to ECU. I am using ELM327 and Raspberry Pi with all connections to OBD-ii. initially for sending general PIDs to the ECU through ELM327 ...
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6answers
7k views

2006 Kia Sedona intermittently not starting

What could be causing my (non-)starting issues? Occasionally (once every two weeks or so) when the keys are inserted and turned to the start position, nothing happens. No noise, no dome lights dimming ...
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2answers
755 views

Does length of jumper cable matter while jumpstarting a motorcycle from car battery as a booster?

I recently left my Harley Davidson 883 Superlow in ignition on for 8 hours, headlight drained all the battery. This was my first time jumpstart experiment. Had following few questions, happy to be ...
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3answers
236 views

possible alternator-battery mismatch if I replace the existing battery with a much higher CCA one?

I have a 2000 Audi A6 Avant 2.5 diesel whose current Audi battery (approx. 650 CCA) is dying. Am looking at an Exide X-Tra Plus at 900 CCA to replace it. However, should I be concerned that the ...
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2answers
100 views

All warning lights came on, the odometer did not.

I have a 2008 F150 160k miles and all of the warning lights came on (Check engine, ABS, low tire, parking brake, 4x4 Hi and 4x4 Low from what I remember). The odometer was just a blank green screen. ...
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3answers
103 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 ...
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1k views

Ford Focus - bad starter?

Car 1.6L Ford Focus estate, made in 2000. It is right hand drive, although I doubt that matters. Issue When the ignition key is turned from "On" to "Start", there is a click (sounds like a relay ...
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1answer
186 views

98 Windstar: An 8x5x3 black plastic box fell off

When I got home from work yesterday and parked my '98 Ford Windstar next to the house, my wife pointed out that a 8"x5"x3" black plastic box was sitting at the end of the driveway, and a slightly ...
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2answers
7k views

Electrical problems due using battery charger as a jump starter

I have a 2003 honda civic, and the car battery went dead on me. I didn't have a jumper cable with me, but I had a car battery charger. So, I hooked it up to the battery and tried starting the car. ...
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3answers
398 views

How can I route power cables from my 2012 Kia Forte eco from the battery to the cabin?

I have a 2012 Kia Forte sedan with "eco" package. I'd like to mount my mobile amateur radio into the vehicle, however I'm having a hard time locating a grommet for passing power leads from the cabin ...
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4answers
3k views

Alternative reverse light switch

I am about to take me ute to get a "safety" certificate so that I can get it registered (QLD, Australia) and I have one issue left that is still a possible problem. The switch that operates the ...
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1answer
90 views

What gauge wire should I use for adding USB ports to my car?

I want to add powered USB ports to my car to charge various devices with. My plan is to order these USB soldering connectors fuse holders, 3amp fuses, and some wire. Now I would find a hot wire ...
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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 ...
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1answer
215 views

89 jeep cherokee will run but when i turn it off and try to restart it the battery is dead

The battery is still good and the motor will keep running when you disconnect a terminal. Can my alternator be bad? If not I'm also thinking a dead short? What is the best way to find out?
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2answers
5k views

Could less than optimal battery charge prevent starter bendix drive from engaging flywheel?

With a less than optimal 12.2 volts at the battery terminals and the bendix drive at the starter failing to pop and engage the flywheel, would battery charge be a likely cause of such a failure? Or ...
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3answers
1k views

LED tail lights flashing at ultra high speed

I've just replaced the old tail lights on my 1993 Triton ute with LED ones. Now I have the issue where the indicators flash at such a high speed it may as well not be flashing at all. If I put the ...
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3answers
627 views

Tail Light / Turn Signal randomly not working

I have a 2003 Ford Sport Trac and the drivers side tail light went out a few months ago. The bulb was spent and I replaced it. After a couple of weeks it stopped working again, but the bulb is fine. ...
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2answers
93 views

Will low gauge wire to a fuse be a bottleneck?

I am running 4awg wire to my car's 400watt amplifier. The wire is running about 10 feet from the circuit breaker that it is connected to. The circuit breaker (as of now) is connected to the car's ...
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3answers
17k views

How do I know when a car battery was produced?

I have a hard time finding when my car battery was produced - can't find any defintive information. The battery is Bosch Silver with the following data printed: 5EN in huge letters and two rows of ...
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1answer
611 views

Turn Signal Randomly Changes Directions

I have a 2005 Dodge Dakota. The left turn signal has started randomly switching over to blinking the right signal light. When it happens, the sequence is usually: Turn on the left signal, it blinks ...
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1answer
284 views

Power Inverters as Emergency Generators?

After being hit by Hurricane Irene last week, I happened to loose power for literally one week so rather than rely completely on batteries and being a nomad, I used my Cobra 400 watt power inverter ...
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2answers
702 views

s60 won't start, no lights, nothing at all

I accidentally left my keys in ignition overnight - and now nothing. Have charged battery and tried spare key, but neither fixed the issue.
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1answer
52 views

2007 Ford Explorer - No Start, No sound, No power

My son's Ford explorer does not start on the first try but when he try's again then it starts. On the first initial start try there is no clicking, no sound like turning over, no dash lights etc. But ...
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3answers
57 views

03 Chevy Suburban Fuel Pump Failure

A few days ago, my dad's Suburban was running while sitting on a steep driveway with a low level of fuel in the tank, and the fuel pump suddenly cut out. Knowing that fuel pumps can wear out from heat ...
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1answer
43 views

CanBus - monitoring

My Volvo (2002) uses CANBus to monitor various lamps (I assume its current that's monitored). I intend to splice into one of the headlamps and one of the sidelamps and use those live feeds to dim ...
3
votes
1answer
213 views

VW Golf 2001 Mk4 Diesel ASR Engine Problem

I've spent a crazy amount of money on my car lately and I still have the same problem. I've replaced the: Catalyst Converter Radiator Starter Motor EGR Valve Track Rod ends & Wheel Bearings ...
3
votes
1answer
134 views

Does a brake controller need direct battery connection, or would a switched source work?

I'm installing a break controller & 7-pin receptacle for towing. The wiring diagram I am following (below) shows the 7-pin and brake controller wired directly to the battery. I want to know if I ...
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1answer
57 views

Partially blowing a motorcycle main fuse?

So in the continuing saga of my 81 Suzuki GL450L I have been making continuing improvements to the electrical. The coils as previously found were definitely an issue, but possibly not 'the' issue. ...
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1answer
46 views

How to check 05 mustang quality of lights and sensors quality

Is there any way to have the sensors for dashboard lights and digital interface tested? The guys at Sears said they didn't like the sound of my car though the fluids were all fine. It's funny they low ...
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1answer
880 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 ...
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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 ...
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2answers
14k views

diagnose faulty voltage regulator causing battery overcharging?

I've been having an issue with an '03 Toyota Echo. The alternator died (at least that is what I thought) as the battery kept going flat. I found an alternator at a wrecker and fitted it, and I ...