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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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6
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2answers
1k views

'06 Ford Focus Central Locking Failure

The central locking in my '06 Ford Focus has stopped working. I can put the key into the door and lock and unlock the car, but I can't use the fob on the key. What I tried: I tried to put a new ...
6
votes
4answers
33k views

AC blower won't turn on after replacing battery

I have a U.S. 2011 Volkswagen GTI. After the car wouldn't start (starter would crank but engine would not turn on) I decided it's probably time to replace the battery, and did. Car starts fine, but ...
6
votes
1answer
193 views

Honda Accord 1.8 Sport VTEC will not always fire and start

A week ago, went to start the car and it cranked over fine with battery but would not start. A few days later, after charging up the battery, I tried again and it would not fire. Called AA and he ...
6
votes
1answer
824 views

Intermittent starting problem

1967 Camaro SS 350 with Powerglide transmission. Sometimes it will not start. No click, no dimming of lights when key is turned, nothing happens. It will do this maybe one time out of 15 or 20 ...
6
votes
1answer
105 views

2003 Tibaron ECU fuse blows while driving, not when idling

This is a 2003 Tibaron. The ECU fuse blows only when driving. It can idle for hours. What runs off the ecu fuse? I replaced the ECU, didn't help. Checked power and grounds, no problem found. I'm ...
6
votes
1answer
244 views

1961 Chevy Apache - Low beam headlight won't work unless highs on

I have a 1961 Chevy Apache. It has the 4 headlight system. The dash lights wouldn't work right unless I wiggled the switch. I installed all new headlights, new bulbs in the dash, and a new ...
6
votes
1answer
329 views

Seat Ibiza Electronic power control

I lease a Seat Ibiza 1.4 16V Stella and have an interesting problem. After 6 months the EPS light will show up occasionally. It's been back to the garage a few times for the issue where they reset ...
6
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0answers
212 views

92 chevy truck distributor problems [closed]

I have a 92 chevy 350. Anywhere from a year to a month I have to replace the distributor. It starts cutting out around 2000 rpm but otherwise runs perfect. I have tried several other things to fix ...
6
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2answers
1k views

Replacing interior lights with LEDs (2003 Jeep Liberty)

I replaced the bulbs in the interior dome lights in my jeep with LED's. In front, there are two lights - driver and passenger. In back, there is one. The old lights were too dim, the new LED's are ...
6
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0answers
106 views

Fiat Siena EL 2001 was starting but jerking very bad whist running [closed]

Fiat Siena EL 2001 model It has a starting problem, I'm really desperate to get it running again, please help. The car was starting and running but was jerking very bad when in 2nd gear. The ...
6
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0answers
561 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 ...
5
votes
2answers
486 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 ...
5
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4answers
9k views

Can hooking up jumper cables incorrectly cause one to have to replace the throttle body?

Can hooking up jumper cables incorrectly cause one to have to replace the throttlebody? I own a 2007 Toyota Camry XLe (6-cylinder) and accidentally hooked battery cables up to the wrong post. The ...
5
votes
3answers
16k views

Car won't start…alternator or starter?

My car will not start. A month ago it wouldn't start. At that time it was still cranking (weakly) but not starting. I bought a new battery and installed it. It still wouldn't start until I jumped ...
5
votes
3answers
8k views

Fault find blown cigarette lighter fuse

I have a 2005 ford focus mk2, nothing custom, nothing modified, all stock. The cigertte lighter has never worked so I thought it was about time I attempted to fix this. I removed the fuse (20amp) ...
5
votes
2answers
966 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 ...
5
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2answers
9k views

How important is bulb grease when changing low-beam or high-beam headlights?

Do I really need bulb grease when changing low-beam or high-beam?
5
votes
1answer
17k views

When I set the air flow to Defrost, it turns on the A/C?

On a 2001 Honda Civic. Having the temp dial to HOT. When I turn the air flow dial from FRONT to Defrost (windshield), it turns on the A/C button and the A/C motor kicks in also. It just started doing ...
5
votes
2answers
318 views

1977 Chevrolet C10 Scottsdale v8 5.7

It cranks vigorously but won't start. How do I go about troubleshooting? So far, I've: Changed the battery, Checked all spark plugs and cap Could it be the carburetor?
5
votes
2answers
627 views

Is my battery draining while car is off?

How much current in amperes is flowing while a car is completely turned off? How long can it sit before battery is drained enough to be a problem?
5
votes
2answers
5k views

Have tow ball but not electricity for a trailer

I have a Toyota Camry 2004. When I just bought it, I have noticed that it has a tow ball. I didn't really intend to use it but now it could really help me to move few things around with a trailer I ...
5
votes
4answers
61k 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 ...
5
votes
2answers
1k 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 ...
5
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2answers
726 views

Electrical issue in vehicle - fuel gauge drops to zero when horn is activated

Here is what I have been dealing with. Posted over on my vehicle specific board, but no one seems to have any idea. Instead of reposting everything hashed over there, I will post the original question ...
5
votes
1answer
1k views

What are slip rings with respect to a cars alternator?

This is not a physics forum, and as such I don't expect answers to explain Faraday's law of induced emf (electromotive force), which is the basic physics principle behind how an alternator is able to ...
5
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3answers
64k views

why doesn't my motorcycle power on?

I have a Suzuki sv 650 2007. My bike recently turned on head lamps, tail, and gauges. Now it won't power on at all, not even a jump start can turn the power on. What can I do to solve the cause? Does ...
5
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2answers
20k views

12v Acc/Switched vs 12v Always On

I am currently designing a part that should always be on when the key is turned to On/Acc, and only sometimes on when the key is set to Off, or removed. My car is a 99 Camry, but I have a good ...
5
votes
1answer
24k views

How should the lights for a trailer be hooked up?

I have a tent trailer and the lights don't work right. It has a 4 wire connector to my car but one of the wires on the trailer connector was worn out and probably not working. So I got a new 4 prong ...
5
votes
3answers
7k views

Start a circuit or device when you insert key in car ignition

I want to start a circuit in my car when I insert my key in car ignition and let it turn off when the key gets removed. I have Honda Civic 2007. Can someone just help me out as to from where do I take ...
5
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3answers
7k views

How do I diagnose opened door indicator problem on a Honda Civic 1.8Vti Aerodeck

The opened door light indicator flashes at random rate when I drive. This also randomly triggers the alarm system that I had to disconnect. I have removed every door switches. No differences. ...
5
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2answers
8k views

Aux Audio Input for 2006 Honda Accord

I'd like to add an auxiliary audio input to my 2006 Honda Accord LX-SE: What parts do I need to purchase? Can someone with a rudimentary understanding of electronics perform the installation? What's ...
5
votes
1answer
174 views

Burning air pressure switch

I use a 12 V air compressor at my car for air suspension which I understand is draining around 30-35 A. The problem what I have is overheating and eventually burning the pressure switch and connectors....
5
votes
3answers
22k views

OBD-II reader/scan tool that can also diagnose air bag light

Is there an OBD-II reader/scan tool that can also diagnose air bag warning light? My 2004 Honda Element EX has a red air bag warning light that recently has turned on. The nearest Honda dealer wants $...
5
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2answers
2k views

1996 Toyota Camry unlocks and locks itself

my 96 Camry started locking and unlocking itself sometimes while driving and sometimes when not driving I will go to get into my unlocked car just to find it lock. It didn't really bother me til last ...
5
votes
1answer
545 views

Motorcycle Starting Issue - no longer starting after attempting to jump with a car battery

I tried jump start my bike with my car battery because the motorcycle battery was really low and would not start. I mistakenly touched both ends of the jump leads together and cause a big spark, ...
5
votes
4answers
7k views

judging oxygen sensor quality

I was looking at oxygen sensors for my vehicle on rock auto and found large price discrepancies. I saw sensors ranging from $25 up to $100. in general what do the more expensive sensors have that the ...
5
votes
1answer
99 views

Alternative location for motorcycle ignition coils?

I recently replaced the ignition coils on my 81 Suzuki 450. The aftermarket coils are just large enough that the tank won't seat right, even after adjusting the bracket. Would there be any issue in ...
5
votes
1answer
803 views

Could 1.9 Nm be enough to accelerate 130kg electric go-kart?

I'll apologize in advance for a fuzzy question. My problem consists of two parts. For starters, I'm trying to buy a DC engine for learning purposes and most of them only specifies the watt (which I ...
5
votes
3answers
6k views

1997 Honda Civic won't start; stuck in park

Last Sunday I was driving home and noticed my dash had no lights and my power windows would not roll up. As I pulled into the driveway to park I tried to put the car in reverse. As I did so the ...
5
votes
1answer
6k views

Should I disconnect the battery when working on my instrument cluster

I am going to be changing a few bulbs on my Opel Astra's instrument cluster. Part of the process involves disconnecting the entire cluster from the wiring harness and obviously replacing it when done. ...
5
votes
2answers
15k views

How can I elegantly secure a USB charging cable to the dashboard?

In extension of this Q about the power outlet I have a related question about how to secure the USB charging cable that runs from the power plug in the cigarette lighter socket to the corner of the ...
5
votes
2answers
640 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 (...
5
votes
2answers
5k views

Possible short in reverse lights on 2003 Nissan Frontier Pickup Truck

When I engage reverse on the manual transmission of my 2003 Nissan Frontier pickup truck, the reverse lights tend to sporadically turn on and off. I'm trying to figure out what path to take to ...
5
votes
2answers
1k views

Electrical problem 2001 VW Golf: intermittent battery failure?

(This is my first question here so let me know if it is off-topic or not enough info provided, or otherwise inappropriate for the forum and I will delete it) I have a 2001 VW Golf which has started ...
5
votes
1answer
95 views

Is it appropriate/safe to butt splice old PVC to thin wall?

I'm in the middle of restoring a 1991 TVR S3, and need to replace the headlights. The old PVC wire needs to be stripped quite far back, and because I would prefer to use modern connectors (the ...
5
votes
1answer
101 views

Odd yellow electrical connector (GM)

I'm trying to pull an instrument panel in a 2000 GM Jimmy. There is this odd electrical connector I've never seen before. I can't squeeze the retention ramp to disconnect the thing. It has an odd ...
5
votes
1answer
802 views

Can a Relay that's enumerated in a Fuse Box diagram be optional? (Missing Relay in Fuse Box)

I've been getting acquainted with one of the fuse boxes under my hood to get up to speed with the relays found there. I'm walking through the diagram and the table of relays seems to match up very ...
5
votes
2answers
2k views

How to diagnose if sporadic turn signal functioning is signal flasher or signal combo switch?

Symptom: When activated by the turn signal combo switch, turn signal goes on for about 5-10 seconds, and then turns itself off. Turn signal combo switch remains in the on position, but the turn ...
5
votes
1answer
1k views

What is the best way to repair these motorbike wires?

2 of the wires on my motorbike were cut and used to hotwire it. It's been recovered and I need to permanently connect these back together. What would be the best and easiest way to do this? An image ...
5
votes
2answers
674 views

Low beams don't work but the high beams work in a 2002 Toyota Tacoma

I have a 2002 Toyota Tacoma Pre-Runner where my low beams don't work but my high beams do work. I've replaced the headlight bulbs and relay switch, and still the low beams don't work. Any ...