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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1999 katana 750 wont turn on

Rode it today ran fine. Come back home and I stalled it. 20 minutes later I turn the key to ride it again and nothing. No lights of any sort. I did check the fuses and they seem ok. What else should I ...
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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 ...
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1answer
31 views

Why do the running lights turn on when the car is off?

I have two questions and they may be related, but I'll pose the most important question first. A friend owns a 2006 Chevy Malibu. Recently the running lights began randomly turning on when the car was ...
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1answer
30 views

Diagnosing fuel pump relay on 2004 Acura TSX

My wife's '04 Acura TSX began having issues starting towards the end of last summer. It would turn over just fine, but took 5-10 seconds to actually start running. The problem was intermittent - some ...
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11 views

Subaru Liberty 2004 electric windows [on hold]

All windows won't go up or down drivers window motor has power to it but won't move
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18 views

Semi-permanent power inverter

I'd like to install a semi-permanent 500 watt inverter connected to the car battery for greater power delivery. The battery is in the passenger area, so there's no need to run wiring through the ...
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1answer
26 views

No power to my 1988 LS650 Suzuki with new charged battery

I got Suzuki LS650 Savage from someone who jumped it off with running car. Put a new battery in it and now I can't get no power. No lights or nothing what do I need to check?
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1answer
28 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 ...
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1answer
18 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 ...
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2answers
6k 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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1answer
22 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 ...
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1answer
26 views

Blown fuse on K1 GSXR 600. Fuse replaced, but still no power

I have a GSXR 600, and the live side of a circuit touched the frame and blew a 30A fuse. I changed the fuse and now I have no power. Does any one now why? Thanks
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1answer
58 views

Boat Not Getting Power to the Starter Motor

Just rebuilt most of a 2 stroke jet boat. ( if you need / want any boat details, see: this thread ) First day the boat started fine, no problems, next day I tried again and the CDI fuse had blown ( ...
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1answer
36 views

What does the OBD error code P0100 mean?

What does the OBD error code P0100 mean? I have an engine misfire with the check engine light on in my Nissan N16 Supper Saloon -1300cc - 2000 model year. The engine started to produce less power. An ...
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1answer
8k views

Do I have to rely on wire color to correctly wire up an O2 sensor?

It seems that everyone and their grandmother has a different color-code convention for 4-wire O2 sensors, which complicates matters when one is trying to wire up a replacement "universal" O2 sensor. ...
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1answer
32 views

Lawn tractor won't start

Not sure if this is the right stack exchange forum to post this in or not, hoping it is... I have a Toro lawn tractor which is having issues starting. I have been using it fine for the last few weeks ...
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1answer
35 views

2009 Toyota Camry's brand new OEM power window master switch won't control the drivers window

Why would the driver's side window operate perfect with the original master switch but not work when I install a new power window master switch? I purchased 2 new aftermarket power window master ...
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44 views

starting a diesel tractor

I have a diesel tractor with a generator.after sitting for a long period the battery was low so I used a portable jumper battery but mistakenly hooked up the cables in reverse. this caused smoke to ...
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2answers
28 views

86 ford ranger wont start

For awhile my trucks ignition has been acting up and I would have to roll the ignition. back and fourth several times before it would start but one day I went to crank it and the truck acted like it ...
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3answers
24k views

Low beam headlights don't work, High beam headlights do

The vehicle is a 2003 Chevrolet Trailblazer. The low beams aren't working. High beams are. The fuse is perfectly fine (tested and swapped out). The bulbs are fine too. A mechanic told me it could be ...
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2answers
28 views

Replacing a boats blown CDI fuse

Just rebuilt most of a 2 stroke jet boat. ( if you need / want any boat details, see: this thread ) Yesterday she fired right up no problem, today she won't even turn over. After some basic ...
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0answers
32 views

No power but battery, alternator, and connection are good

This involves a company truck, 08 Chevy Silverado. I am not a mechanic or DIY nor do I play one on TV. The problem I am having is that every 2 or 3 months this truck will not start and completely ...
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1answer
746 views

Mitsubishi L200 Warrior rear electric window issue

My rear window has stopped working and the interior light in between the front and back seats as well. I can find the interior light fuse, although the interior light by the rear view mirror works. ...
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14 views

1999 Jeep Cherokee 4.0L engine

Where can I get a wiring diagram for a 1999 jeep cherokee? I am having problems with a couple fuses blowing in the power distribution center under the hood and it causes the check gauges and check ...
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2answers
34k views

Low beam headlights out, High beam working

The patient is a 1996 Chevrolet Caprice with dual-filament bulbs. Both filaments in both bulbs light up in high beam mode, but no filament on either bulb lights up in low beam mode. What could be ...
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1answer
28 views

1999 Jeep Cherokee 4.0L electrical problems

I am new to this and in need of some advice. I just purchased a 1999 Jeep Cherokee 4.0L, with 211,000 miles and have some electrical problems. I noticed that one of the two green wires on the back ...
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1answer
5k views

How to track down an intermittent battery drain?

I know there are several questions on here about finding the source of a battery drain (like Battery drains by itself when vehicle is parked (parasitic draw) ). However I don't think the answers ...
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1answer
102 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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2answers
42 views

Vauxhall/Opel Astra H How to remove front door electrical connector

The front door electrical connector on the Astra Mk5 H, is a rectangular multiplug. Is there a special technique for pulling it off. Are there clips which must be released first? Any tips ...
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1answer
113 views

What is this extra light on my headlights?

I own a 2006 Mazda 6 Luxury Sport in Australia, and the front headlights have 4 lights on them: It also has a fog light, which is not featured in this photo (but will be visible in later photos). ...
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2answers
92 views

2008 Genuine Buddy 125cc - Starting Problem

I bought Genuine Buddy yesterday on craigslist rode it home and of course it won't start this morning. The battery works(the turning signals and hazard lights work), and the gas tank is full. It ...
4
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1answer
2k views

8th Gen Honda - No Start, No Crank (down the rabbit hole)

This one should be fun for any Honda aficionados out there. I have a 2007 Honda Civic. Some days it does not start or crank; seems related to the temperature. When the car starts, it runs fine and ...
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1answer
12k 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 ...
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1answer
63 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, ...
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1answer
71 views

Which electrical parts in motorcycles are obligatory for basic driving capacity?

According to this survey, electrical parts in motorcycles are the most probable to fail. Which of the electrical parts in modern motorcycles are necessary for maintaining basic driving capacity? In ...
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3answers
2k views

Should I replace fuses as a part of regular maintenance?

I've been having a few problems that might be electrical in my car. Seeing as mechanics always want to replace parts first, I'm having to diagnose this problem myself. It seems like replacing all ...
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1answer
133 views

My drivers side window no longer closes with one press of the button 1

I share a similar plight with the guy before only difference is it's with an 04 Forester STi. I held the passenger front window switch up for a little too long next thing I know my driver side window ...
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1answer
40 views

Best way to add amp and sub to car [closed]

I just got my first car, a Chevy Cavalier 2000 base, and I would like to put in a new radio, a decent amp and sub to drive the speakers and sub. I am right now looking at this radio. I would like to ...
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2answers
44 views

Car Shuts Off during low RPM and only happens at night or early morning

I have a Holden Barlina 2004 VY model v6 I have it for at least 2 years now, but this issue only started to happen two months ago. As I turn it on, it goes smooth and quietly, but as I drive, ...
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1answer
214 views

Honda Civic DX dash temperature gauge malfunctioning?

My 2001 Civic DX has a issue with the temp gauge in the dash. The needle has traveled to the opposite side than it normally registers on. Meaning it is pointing to the left away from the temp ...
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2answers
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How to diagnose the cause of no power reaching the spark plugs when power reaches everything else, after checking fuses?

I've been trying to get my long-suffering Toyota RAV4 first generation (1998) to start after numerous different problems, the latest of which I've narrowed to the spark plugs not firing seemingly due ...
4
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1answer
255 views

97 Jeep Cherokee check gauges light came on and then my battery gauge dropped down to 9 didn't lose any power?

I'm so confused I had just left my house and got 3 blocks away and my check gauges light came on, then my battery gauge dropped down to 9v. My Jeep didn't lose power, and the radio, heat, lights and ...
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1answer
50 views

What is a vibrator on a Model T ignition coil for?

In this post here What vehicle does this ancient ignition coil fit? there is a device that is cited in @paulster2's response that is called a 'vibrator'. Here's the diagram from his answer where ...
6
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1answer
72 views

Where can I find a power adapter to run a car stereo from a wall outlet?

I have a car stereo head unit that I'd like to repurpose as a radio for my garage. Given that, I'm looking for some kind of power adapter / transformer that I can plug into a wall outlet and splice ...
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3answers
6k views

2007 Nissan Armada power window fuse location

According to the fuse block diagram, there is not a dedicated fuse for the power windows. Anyone know if the power windows are on another fuse? Front drivers side window will not go down and switch ...
5
votes
1answer
35 views

How should I properly connect a high-current accessory?

I have a 2012 Honda Accord that I would like to install a radio transceiver in. At peak, its current draw is 22A @ 13.8VDC. Generally, the wisdom is that it should be connected directly to the battery ...
6
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0answers
73 views

Alternator isn't charging battery properly. Replace or swap regulator only?

I have a 2015 Honda Fit EX. On my dashboard, there is a small screen that has been displaying "CHECK CHARGE SYSTEM" and displaying warning lights (TPMS, power steering, and stability control). I ...
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6answers
6k views

2000 Jetta runs rough, shudders on cold start only on wet days.

This is an issue I've had off and on for, embarrassingly, at least a year: On misty or wet mornings, everything starts out fine but, a few minutes into the drive (like clockwork. I even know the ...
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6answers
9k views

Noise in stereo that changes pitch with engine RPM

This is a question of curiosity. I have a '98 Acura Integra, a cheap car stereo with a 3.5mm aux in, a cheap inverter and a smart phone. If I have the smart phone audio hooked up to the car stereo and ...
5
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1answer
52 views

Ducati Monster S4 electrical problems

I have a 2001 Monster S4. The fuel level sensor hasn't worked since I bought the bike. This is mostly an inconvenience, but as there is no reserve facility it means I need to keep a close eye on my ...