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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1answer
18 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 ( ...
2
votes
0answers
31 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 ...
2
votes
1answer
15 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
2
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2answers
21 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 ...
7
votes
0answers
27 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 ...
0
votes
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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0answers
13 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 ...
2
votes
1answer
29 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 ...
2
votes
1answer
26 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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2answers
90 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 ...
9
votes
2answers
111 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). ...
4
votes
2answers
39 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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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 ...
0
votes
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 ...
4
votes
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, ...
7
votes
2answers
53 views

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 ...
3
votes
1answer
49 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
votes
1answer
70 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 ...
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 ...
4
votes
2answers
32 views

2002 Subaru Forester S - Multiple Non-functional Electrical Components

Bought the car a few days ago, now I'm noticing something that I'm betting may have been done on purpose. My power locks do not work at all, have to manually lock each door. Not the worst thing but ...
5
votes
1answer
50 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 ...
6
votes
1answer
26 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 ...
4
votes
1answer
29 views

Volvo Turn Signal Light Problem

My dad has an old Volvo V70 from 2001. One of the blinkers (that yellow light that you turn on if you go left or right) is not working properly. Sometimes it works, sometimes it doesn't. We opened ...
3
votes
1answer
24 views

2005 Honda DX 4dr 5spd - Gauge Cluster and Int Wipers not working, why?

OK, I have a 2005 Honda Civic DX 4dr Sedan with a 5 speed manual Transmission, Standard everything, no power windows, A/C, plain basic setup. So the other day suddenly my Gauge cluster stops working, ...
6
votes
2answers
73 views

Motorcycle Starting Motor does not crank, WHY?

Eureka! After replacing the starter relay purchased on eBay with the original Honda one the engine starts and runs perfectly! ''''''2''''' UPDATE: installed a new fully charged battery = still no ...
3
votes
0answers
14 views

2000 Mercury Sable instrument cluster and headlights do not turn off

My 2000 Mercury Sable Premium LS (3.0L 24V Duratec V6) has an electrical issue: When I remove the key from the ignition, the instrument cluster and headlights do not run off. I can reach in at any ...
6
votes
1answer
61 views

Headlight and dome light flickers

My car's headlight and dome light flickers when the car is started, but when the car is already moving light is working fine. Other lights works fine, though I wasn't able to check the tail lights and ...
8
votes
2answers
70 views

Two Fuel Pumps died

Already having replaced 2 fuel pumps, both died. Seems to have a problem in somewhere (alternator, battery, electricity) or I have no luck for fuel pumps. The last one, last 6 months, before died ...
3
votes
0answers
15 views

F350 2002 wiring problems

F350 2002 wiring problems. Electric mirrors were fixed and then problems with power windows, air conditioner and radio arise. The windows, radio and air conditioner stop working after started and ...
5
votes
1answer
35 views

I hear a click when i go to start my car… But starts up on second attempt

Why is my 2009 chevy malibu doing this click before i start it up?
5
votes
1answer
32 views

1998 VW Beetle - Clutch and Electrical Issues

I have a 98 VW BEETLE. I had to change my clutch all the way from the master cylinder to the clutch pedal. Still have no clutch. Then when I tried to start my car all the lights come on even radio ...
7
votes
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 ...
7
votes
3answers
582 views

Why do attempts to charge a flat car battery with an electronic battery pack give results as if there's a short circuit?

I'm not having a good weekend - car wouldn't start, even when jump started using a conveniently placed 12v generator battery (almost identical to this question, I suspect dodgy cabling to the ...
9
votes
1answer
57 views

Why is one of my interior components electrified?

I have a 2007 Nissan 350Z and there is a trim bar inside of my car that feels electrified. I even touched my tongue to it (please, I know) and I can feel electricity. It's similar to if you have ...
0
votes
0answers
18 views

2008 Honda Pilot XL, only part of one headlight comes on, ONLY one of the 2 lights

i bought a new headlight bulb and replaced it, but the problem still the same, only the lower light comes on, the upper bigger light wont turn ON.. high beams are fine btw Thank you
10
votes
2answers
86 views

2003 Suzuki Katana GSX600F - No Start Issue

So I recently purchased this motorcycle from a third party. 2 days ago it would start up fine and you could ride it. The guy I brought it from said the battery was acting cranky so you should change ...
7
votes
1answer
77 views

Time Delay Relay and Flyback Diode

I want to control an auxiliary fan on my 1969 Mercedes which is currently wired to run until the temperature drops below the sensor level. Sometimes this takes quite a long time even after the car has ...
6
votes
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 ...
6
votes
2answers
77 views

Is there something that can be applied to electrical connections to prevent rust and corrosion?

Another recent question got me thinking about this. Will a ground to the frame work properly if the bolt is powder-coated? Since I don't have any skill, tools, or ability to powder coat, whats the ...
8
votes
2answers
400 views

Will a ground to the frame work properly if the bolt is powder-coated?

Would there be any electrical issues if a grounding point had a bolt welded and powder-coated or is it better to drill a hole, weld a nut to the frame and then powder-coated?
13
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4answers
203 views

Can a weak battery destroy an alternator?

I've heard a story that a weak vehicle battery can destroy an alternator or cause an alternator to fail early. Is this true, or is it largely fiction?
4
votes
1answer
87 views

1996 Mustang GT won't start with shifter in Park, but will start in Neutral

I just had this weird problem today. The engine will turn fine, but won't start with shifter in Park. Once started in Neutral the motor runs fine with no hesitations. Battery is strong. Any ideas?
3
votes
0answers
48 views

Stubborn rear fog light (BMW E46)

The rear fog light in my BMW E46 2001 is broken. Obviously, I first tried replacing the bulb itself, but the old bulb was still fine. I tried with a new bulb anyway, but the light didn't work. I ...
3
votes
1answer
39 views

Troubleshooting Trailer Lights

I have checked the connection on the truck and all are working fine but when the trailer is hooked up I have turn signals and running lights but no brake lights and with the running lights on I press ...
3
votes
0answers
22 views

Problem switching in new dome lights in the front

I'm trying to install these multi-color dome lights, I successfully installed the right side, but when I tried to install on the left side, the left one won't work. The product is not the issue, I ...
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vote
0answers
29 views

Sudden change of the odometer reading in Perodua viva elite

I have a Perodua Viva Elite auto gear car from December 2011. It was manufactured in 2011. The odometer reading the day before yesterday was 72000 but I noticed yesterday morning it reads near 61000. ...
3
votes
1answer
45 views

Change electrical switch of the ignition switch on a Deawoo Cielo (1995)

The car is still starting flawlessly but some accessories like the radio or the clock don't always work. I noticed that pushing the key deeper in the ignition would make the radio start, but ...
6
votes
1answer
45 views

How Common are Voltage Drop Problems?

After watching this video on voltage drop, it makes me feel like testing the resistance of various sensors and accessories with my multi-meter isn't really a reliable test of anything, since I can see ...
4
votes
1answer
48 views

How does the ignition system control the Energy of the spark?

An automotive ignition system needs to provide a specific amount of energy to properly ignite the air/fuel mixture in the combustion chamber. Energy = voltage * amperage * duration. A specific ...
4
votes
1answer
46 views

External regulator just installed and now there is a battery drain that kills my car

My 1996 Jeep Grand Cherokee started beeping and telling me to check the battery. So I had the car tested and it said the voltage regulator was bad. The voltage regulator on these Jeeps are in the ...