Questions tagged [electrical]

Concerning the main electrical system of a motor vehicle or internal combustion engine. Consider using the [electronics] tag for radios and other such systems. Use the [electric-vehicle] tag for questions about electrical powered vehicles and their unique systems.

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78 views

**SOLVED** Right head lamp full beam not working

SOLVED Any help appreciated!! Both head lights are working as normal when on low beam. The moment I switch to high beam the left headlight goes to full and the right lamp goes out entirely. I've ...
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72 views

Access to alternator output for powering a custom device

I have a custom made circuit (device) to be installed in my vehicle. This device is to work (power up) only when the engine has started. It consumes a reasonable amount of power hence do not want it ...
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06 Suzuki 250 gz electrical issue

I lost my keys and had to order a new ignition. When I got the new ignition I plugged it in and it shorted out. I've checked my fuse's they all look good. Do you think that it could be the relay or a ...
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1answer
859 views

Mazda Axela 2009 Pioneer C9P5 Head Unit

My car is a Mazda Axela 2009,it has a Pioneer C9P5 Head Unit installed; a flat battery has wiped the settings for the backing camera, how do I restore it?
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27 views

brand new battery brand new alternator car will not start even with a jump

2001 Toyota Sienna. Had a blowout on the driver side which messed up the wires. Tape them up and lost hazards. Recently car died while driving took it to the mechanic and got a brand new alternator ...
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5answers
8k views

Low voltage at reversing light socket - is it the switch? What else could it be?

The car has a single reversing light in the bumper. The bulb doesn't light at all (tested, also tried spares). Measuring the voltage at the socket I get around 9V with no bulb in the circuit (with ...
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1answer
71 views

Why doesn't polarity matter for fuel injectors?

Why doesn't polarity matter for fuel injectors? If they are essentially a solenoid, then it seems it would matter; swapping polarity would change the direction the electromagnet pulls or pushes.
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0answers
16 views

Infiniti G37 Changes Settings on Power Off

2009 Infiniti G37 sedan. I'm losing audio and display settings every time I power off the car for more than a minute or two. I checked all the fuses (in the cabin and in the two under-hood fuse ...
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1answer
69 views

Why does a relay not short the battery?

I am planning on hooking up a 4-pin relay to supply power to ignition coils on a motorcycle. The on/off switch on the diagram below is the ignition switch operated by the key. Ignore the fact that ...
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2answers
2k views

1999 Ford Ranger Battery Drain

I have had a slight battery drain on my Ford Ranger, enough to kill the battery after a few days of sitting. The battery is new. This is the troubleshooting I have done so far: Tested the battery ...
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2answers
235 views

Improving conductivity of electrical connectors

Is there anything can do with this and similar connectors to improve the electrical quality of the connection and avoid intermittent disconnecting? I saw this thread but it seems to focus on other ...
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2answers
266 views

Electrical isues on j10 nissan qashqai

I have a problem with my Nissan Qashqai, its a late 2010 so its a facelift model. The lights flicker when I am driving, when im parked, basically all the time, my windows roll down slowly, some ...
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3answers
660 views

ABS and Brake light fault after battery disconnected

I bought a new battery that ran flat after two weeks. Took it back to the garage and they disconnected negative from my battery whilst the engine was running to check my alternator but now I have ...
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31 views

2019 Kia Sorento annoying and now dangerous electrical issues

I had a 2013 and a 2016 Sorento and they always worked perfectly. Now I have a 2019 and have had annoying electrical issues from nearly the start, and today something very dangerous happened. The ...
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244 views

1999 Dodge Durango won't start after backwards jump

1999 dodge durango will turn over but not start after a friend put jumper cables on backwards.when i try to start vehicle security light blinks ,flashers and dashboard light blinks for approx a min ...
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17 views

DRL switch with headlights

I plan to replace my original fog lights with Osram "LEDriving FOG PL Silver Fog Light" kit, it's basically fog lights + DRL (Daylight Running Lights). Wiring the fog light part is easy as it will not ...
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1answer
51 views

Diagnosing Short on Starter Circuit in 1995 Chevy Suburban

My 1995 Suburban K1500 has a shorting issue that drains the battery when left for long enough. I have isolated the problem to the fuseless starter circuit and I am 95% sure that the short is not ...
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2answers
18k views

Is error code P1684 common when the battery is replaced?

I have 2002 Dodge Stratus and I replaced battery yesterday as my old one died. Sometime this afternoon I noticed that the check engine light was on. After "key dance" method, I got P1684 error code. ...
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3answers
4k views

Downsides of running a motorcycle without a battery

How does it work and what are the downsides of running a motorcycle without a battery? I recently purchased a Honda S90 (second hand, beat up, and somewhat tweaked) and after looking into it I ...
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1answer
37 views

2005 Buick Rainier: Turn signals don't operate correctly and turn on the high lights instead

When I operate the right directional, it does not work, instead the high lights come on. Occasionally the directional works. The car is a 2005 Buick Rainier
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36 views

I have a seemingly very hard wiring problem to solve

Further to my last question : I have a Renault Clio 1.2 2010 that keeps coming up with a P0638 (Throttle Actuator Control Range/Performance) error (according the the OBD2 device I have). One thing I ...
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2answers
243 views

HOLD light flashing, engine temperature gauge “C”

My 2009 Chevy Aveo 5 with automatic transmission has an issue that started today; on the way home on the freeway, the HOLD light started flashing. I noticed later that the coolant temperature gauge ...
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1answer
11k views

How can I diagnose gradual electric power loss in a VW Golf Mk5?

I'm experiencing loss of electrical power to my Mk5 Golf. It seems to happen mostly when the car hasn't been run for two or three days. We changed the battery a few months ago. More recently, there ...
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35 views

Regulation if stop lamps may require an activated ignition or not

Where can I find a regulation for Europe or Germany, if stop lamps may require an activated ignition or not? I saw that the stop lamps of some cars are still fully functional without the ignition key ...
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1answer
1k views

Battery high voltage

I measured my "cigar socket / outlet" with a multimeter. Instead of 12v it had 19v. Is this normal? Is it my voltage regulator, alternator, battery that has problems? Car: Peugeot 307, 2.0 XSI 2003 ...
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1answer
986 views

2000 Honda Civic ABS Light On, Speedometer and Tachometer not Working

Neither of us knows too much about cars, we had this Civic for about a month and a half without problems, except we needed the fuel line and some brake lines replaced. A couple of months after that, ...
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2answers
3k views

2005 Pontiac Grand Am No Crank No Start No Fuel

I bought my Grand Am GT 2005 a 2 months ago. It has been an excellent car up until about a week ago when intermittently, the battery would be dead when I went to start it (even if it was only shut off ...
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37 views

No start / power

I've got a suzuki vl250 intruder as a starter bike, it ran perfectly for about 3 months then all of a sudden one day it started losing power and the lights flickering while riding/coming to a slow. I ...
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1answer
68 views

Motorcycle won't start or show signs of life

So a few months ago my Motorcycle (Yamaha XJ550 Maxim 1982) Decided just to lay down and die, I tried starting it over a billion times and it made a few buzzing noises and then stopped, lights won't ...
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1answer
109 views

Is my car battery health bad and should I replace it?

I bought a 2010 Golf in march and I do not know how old the battery is (no dates on the battery) and with winter coming in I feel a bit nervous. Usage I do not use the car very often but I try to ...
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2k views

Battery Charging Fault

Renault Grand Scenic 2010 MKIII (I believe). I've had this problem for 2 years now, I had battery replaced and had it tested several times but no one seems to find the issue. There is no clear ...
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2answers
67 views

Why does Fuse Holder terminal get warm/hot?

I recently bought some Fuse Holders. Sometimes these Fuse Holders get warm/hot. Someone suggested the fuse might not be properly connected at the terminal. Is there a reason why I'm getting a warm/...
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89 views

Do any one know what’s The name and model of this vehicle?

Hello I had this car as gift ! Can any one help me know what the name, modle of this car and the price?
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1answer
7k views

Non-zero voltage on camshaft position sensor power wire without main relay. Is there short somewhere?

I have been troubleshooting Camshaft Position Sensor no-start issue in this thread for my 2007 Chevrolet Aveo. Long story short - in one of the answers it was suspected that camshaft position sensor ...
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0answers
18 views

Electrical system problem on 1997 Nissan XE, 2.4 -5 speed truck

I disconnected the battery cable on a 1997 Nissan XE, 2.4 -5 speed truck to put on a new cable end because it was corroded, when I reconnected it all the idiot lights on the dash were off, the AC ...
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4answers
9k views

What voltage does the ECU need?

I am tracing the operation of the ECU. I want to supply it with power but what is the ECU voltage input that I should supply?
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3answers
79 views

Can anyone help me interpret this multi-meter reading?

My 2008 Outback’s battery goes dead when it sits for a night or two. I’m looking for a parasitic leak. Can anyone help me interpret this meter reading? I have it in parallel between the neg battery ...
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6answers
7k views

Car imitates dead battery but comes back to life ~30 minutes later and lets me start it

The car: 2006 Subaru Legacy Touring Wagon 2.0 GT (Japanese model) - recently purchased; warranty does not cover this The situation: Something happens with the 12v supply and once the car is stopped (...
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0answers
105 views

Doohan Itank electric bike ,no display ,headlight flash,s ,front signal lights not working

Have a electric bike Manufactured by Doohan (China)it has a 60 volt bosh motor. 60 volt 26 amp lithium battery pack ...also has a DC-DC converter ,for lights and display .. the Doohan only have 1 ...
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1answer
359 views

Car no longer starts, behaved weird before giving up

This is a ten year old diesel car from Ford, the Ford Focus DA1. Let me start with the chain of events: Car has been standing outdoors for two weeks without use, had been almost frozen but not ...
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0answers
141 views

Back up camera power and ground

Ok I'm hooking up a backup camera to my trucks aftermarket head unit. The backup camera has the standard power and ground then rca jack that connects video to the Head unit. When I got everything ...
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1answer
172 views

How long can I run car accessories for before my battery goes flat?

I have a Hyundai i10 1 litre 2015 model. The battery it uses is 52ah and 12V. Given the scenario that the car battery is sufficiently charged after a long drive, the engine is off and I have the ...
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0answers
21 views

2001 gt eclipse head lights both went out same time

I have check the all fuses the ,check light bulb. An they are all good. All other light work ,just not headlights. I have also notice the interior & exterior lights go bright & dim low when i ...
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1answer
51 views

Cranking engine with coil wire removed - damage?

I cranked the engine while the wire connecting the coil to the distributor was removed in order to not spark the engine. Apparently this is not the right way to do it. Have I caused some damage by ...
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0answers
24 views

Turn indicator and high beam always on

Citroen c3 1.4 03 ... I bought the car over a week ago. When I start the car up the right indicator comes on and also the high beam. I have to disconnect my battery to get them off but when I ...
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3answers
1k views

Why do electric motors produce peak torque instantly vs gasoline engines

On a separate forum, someone had asked why electric cars do not have transmissions. The simple answer was that electric cars produce peak torque at any RPM but the gasoline engine needs to rev up to ...
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0answers
50 views

2009 Honda CRV electrical problem?

The last couple days my CR-V seems to die after I’ve driven some distance... the first time it happened I turned the car off, opened the door and tried to use the button on the driver side door to ...
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3answers
3k 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 ...
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1answer
96 views

No functioning electrics in 1996 Toyota Estima (Previa) but battery is fully charged and fuses seem fine?

I left this van unused over winter (Southern hemisphere). I had some trouble starting it a month or so back, and it turned out to be a loose electrical connection to the fuel pump. After I left it for ...
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1answer
62 views

Repeated Fuse Blowing and Battery Light

I have a Toyota MR2. I installed keyless entry by soldering into the power lock/unlock wires and the constant 12V wire. All good. I then tried installing LED lights by using T taps on door trigger ...

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