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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16 views

Right indicator sometimes ticks really fast and lights don't illuminate

This is slightly different to what I'd expect when a bulb has blown as the indicator only sporadically stops illuminating bulbs and ticks really fast. This is different from when a bulb is completely ...
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1answer
42 views

Opel Astra H - lowering original temperature the fan kicks in

I have got Astra H, Z16XEP engine. The engine operates in very high temperatures originally - 105-113°C. I want to lower a bit temperature the radiator fan kicks in: currently 113°. How that could be ...
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V-Star 250 No Power After Jumping

I have a 2012 V-star 250. Everything was running fine until I left the lights on all day while I was at work (RIP). Battery was dead so I jumped it with my car. Started up fine and rode it about 20 ...
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Tricking TPS signals with a Voltage Source

Good evening, I am trying to trick the TPS by disconnecting the two APP1 and APP2 signals and connecting them to a voltage generator that generates a voltage that is within the range of both APP1 and ...
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1answer
23 views

Fan knob working strangely in 2013 Hyundai Tucson L, tried some stuff, what to try next?

I drive a 2013 Hyundai Tucson L. For a while now, the dial controlling the fan speed has been acting up. Often it only works on a single, or two, settings. There are five settings (0, 1, 2, 3, 4). ...
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17 views

My 2004 Mazda 3 passenger window receives a signal to go down but not up. Could I get a little help?

So my 2004 Mazda 3 has an issue with the passenger side window not rolling up. I’ve narrowed it down to an electrical issue on the passenger side motor plug with a current tester. Every other ...
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1answer
32 views

Multiple symptoms, maybe electrical?

My high-mileage 2010 Kia Soul (automatic transmission) just came down with a case of "everything's broken all at once". Symptoms include: Stalling at idle Slow to start after adding gas ...
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10 views

2002 VW Passat headlight warning beeper only works after closing door once

I have a 2002 VS Passat GLS Wagon that I've had for the last few years. I have a problem where I leave the headlights on far too often. I know I should learn to not leave them on but 3 dead batteries ...
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2answers
88 views

Help!!! $500+Tax for two chewed wires [closed]

A Car noob here. I have a Toyota Rav4 model 2014 and I always go to Toyota's service center for my regular maintenance. I know they need to make money so I expect to be ripped off every time I visit ...
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1answer
45 views

Is drilling a hole in my car's fuse box cover a bad idea

I'm wiring in some accessories to my vehicle and my 1990 car has a basic fuse box with a plastic cover. On removing the cover I've discovered each fuse holder has a terminal which would be ideal for ...
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1answer
25 views

Rear lights not working on Chevrolet Matiz

I noticed that the rear lights of my Matiz do not work (Or rather the guy behind me in a thunderstorm noticed...). The brake lights are fine, though. This is what I did: checked the bulbs, they both ...
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41 views

Charge 24V Battery from 12V Alternator in Trailer

What is a reasonable approach to charging a 24V battery system from a 12V source such as an alternator? Can I simply use a 12v-to-24V step up converter? Seems I’d actually need this converter to hit ...
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1answer
31 views

'00 Malibu no crank replaced ignition completely now worse. Help!

2000 3.1 V6 Malibu – I cannot get the engine to crank. What I have done in the last 2 months; Replaced the battery – tests @ 12.98V cables off, 12.78V cables on, 12.58V with key in (KOEO) position ...
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30 views

How to hook up wireless charging pad to battery of my motor (Honda CBR500R 2020)

I want to hook up the following wireless charging pad in combination with my RAM mount X grip to my motorcycle's battery. I am a complete noob when it comes to this electronics. How can I make sure I ...
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2010 Town and Country electrical issues

My wife's 2010 Town and Country has developed a number of issues and I can't tell if they are all related much less how to fix them all. The driver door and the driver side sliding door will often ...
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1answer
41 views

Issue with fuel injection pump?

I had been driving a TATA Indica Vista quadrajet 1.3L turbocharged (diesel) yesterday over a total distance of around 250kms. We had like a few stops in between at 5 or 6 places. After stopping it ...
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24 views

How to fix fog lights not working?

Hyundai Tucson 2013 GLS 4DR My fog lights are not working, and I don't remember them ever working, basically I never required them. I attempted a number of things, but nothing seems to work :( the ...
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18 views

Rewiring fuel economy gauge to show engine temperature?

I have a 2010 Subaru Outback Premium. I hate that it has an analog fuel efficiency gauge instead of an engine temperature gauge. Is it possible to rewire the cluster so that it displays engine ...
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12 views

Power window motor (LH) in Nissan Versa 2009

Recently I got a problem in my Nissan Versa power window motor (Driver side), about 3 weeks ago, sometimes the window goes goes up and down normally and sometimes it stuck and doesn't move at all, ...
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1answer
31 views

I have a 2008 Chevy Trailblazer, when I go over bumps my temp gauge drops to 40'C and my A/C goes warm

I have a 2008 Chevy Trailblazer 4x4, when I go over bumps my temp gauge drops to 40'C and my A/C goes warm air blowing. It's intermittent. Going over another bump will return it to normal. I took it ...
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17 views

My bike is dying on random

Okay so I’ve had this bike (2004 gs500) for roughly two weeks and it’s ran perfect. Today I was riding with perfect preformence when I throttled and noticed it waited a second before doing anything ( ...
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19 views

Dodge Grand Caravan Won't Turn Over

I have a Dodge Grand Caravan 2001 that was having running rough and the exhaust smelled like raw gas. I replaced some sensors and that didn't work so I decided to replace the ECU. I got a new ECU from ...
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77 views

In a moldy car with electrical problems, to protect the future technician, should the mold be cleaned before the electrical repairs are done?

I have a sedan that's been sitting in a parking spot since before Covid. It initially laid idle because of a battery drain. It killed 4 batteries in a year. Multiple service calls were unable to ...
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23 views

Chevrolet Matiz doesn't start first time in day

I have a 2008 Chevrolet Matiz car, 3-cylinder 0.8L engine with the following symptoms: Start hard the first start of the day (after 10-12 hours) then start each time from the first, if the interval ...
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15 views

Fuse for radio, 12v charger, internal lights 2006 vw LT35, where is it?

Fuse for radio, 12v charger, internal lights 2006 vw LT35, where is it? I can locate the fuse box on the driver's side seat, but this looks very different from Haynes Manual. It's a RHD. I cannot ...
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40 views

2012 VW Jetta SE battery cables hooked up wrong

my boyfriend hooked the jumper cables up backwards the electric systems lit up then went black and something started to smoke near the battery we have since had trouble with the battery keeping power ...
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33 views

I need to add an OBD-II based accessory to a OBD-port-less and ECU-less car

My guess is the accessory would work fine if only provided power (no need for it to receive diagnostics info, just to turn on to perform its function). Would it be possible to connect pins 16 and 4 to ...
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1answer
37 views

Adding 12v anderson connector

I'm looking to add a 4awg cable from the battery up front to an anderson connector at the tail of the truck to provide additional power to my trailer. Normal power draw would be less than 50 amps. I ...
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38 views

My car wont start then a flame 🙃

Quick background info I have a 2010 lincoln mks , & it is push to start. I tried starting my car multiple times it wouldnt start, just clicking so i looked under the hood to look at my battery and ...
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1answer
59 views

Throttle Position Sensor Signals

I would like to study and discover more about the throttle position sensor that is installed in my car. The model of this tps sensor is called "cts 4089" and it has 6 pins. From what I read ...
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1answer
43 views

Van won't start, clicking sound

got a Toyota hiace from 98, we just accidentally caused a short by mis-connecting the batteries. Replaced one battery, both show a correct voltage, but the van won't start. Dashboard lights won't come ...
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1answer
26 views

How do I test the Door lock relay on a Dodge TIPM?

I have a 2011 Dodge Ram. The drivers door lock switch does not lock the doors. The passenger door lock switch will lock all doors, including the drivers. I replaced the drivers door switch with a new ...
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77 views

What is this electrical component circled in blue in this engine bay?

I was wondering what this component could be. i couldnt post full size picture since it was over 2mb but full picture also showed a part that looked similar to the part circled in blue. i think that ...
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1answer
166 views

Using OBD to control add-on lights

I have just purchased a 2021 Ram 1500 Bighorn and plan on adding side lights under running boards. These lights are led strips with amber for marker and turn, red for running lights and white for ...
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1answer
53 views

Suzuki SX4, P0134/ P0420, sensor or CPU?

So, my friend is having car trouble with their Suzuki SX4, 2007. I was told the car had some issue with the catalytic converter in the past. The mechanic told them it would cost $2000, but that it ...
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24 views

When I try starting my Honda it’s hestitant then it starts

I have a 2004 Honda Accord and when I go too start it, it doesn’t Just start right up like it stutters then starts. I took it too Autozone and had them check battery starter and alternator. They are ...
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73 views

What happens if the main battery gets connected backwards?

2008 Mitsubishi Nativa (Pajero?) now no power coming from alternator after my experienced mechanic hooked up the car's battery backwards. He saw the spark he said but didn't register as he was ...
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24 views

Air conditioner

I have a 2012 Ford Fusion. I just got my a/c recharge. The mechanic thought it was the compressor, but he put on a new fuse and it started to blow right out. But now, it blows out cold in one vent, ...
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28 views

Ford Focus DCT Acceptable Grounding

On a 2012 Ford Focus with the Dual Clutch Transmission, DCT, with a Fluke 75 Digital Volt Meter, battery disconnected, I initially read 2.6 ohms from the battery negative cable, past the negative ...
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25 views

2001 Toyota Highlander Limited DRL not working

I have tried the 7.5A fuse and the three relays without any success. What am I missing? What else could it be? The lightbulbs work. I’m out of ideas! They stopped working after a new battery was ...
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1answer
30 views

Saturn Aura Locking Issue

I have a 2008 Saturn Aura. I've recently run into an issue with my locking system. When the weather gets warmer, 3 out of 4 of my locks stop working. Sometimes it's all 4 locks that have the issue, ...
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30 views

GY6 scooter spark plug getting voltage, but no spark?

I have a gy6 scooter that's not getting any spark, but I've done troubleshooting on the whole system (except the stator) and I can't find anything wrong. Every part I've checked from the stator power ...
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1answer
37 views

2007 Ford E350 electrical problem

My 12 passenger ford E350 2007 occasionally (random times while driving for random duration 5 -40 minutes) loses power to the: dashboard stero and windows. What can be wrong with my car? How do I ...
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30 views

GY6 with no spark

I have a GY6 chinese scooter with no spark. I went to get on it one morning and it wouldn't start, I assumed I needed to change the spark plug because I hadn't changed it for about a year. I put in a ...
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1answer
89 views

Something in car is interfering with iPhone GPS

This is going to sound ridiculous but there is no other explanation. I used phone GPS while driving in my car for the past 3 years. 3 different phones, that is, and they all worked fine. I was ...
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1answer
32 views

Remove Mood Lighting on 1994 Ford Econoline E150 Magnum van

I will be removing the Mood Lighting . Do I need to disconnect the battery for that? It is possible I might still use some of it and redirect it to my solar energy. I would appreciate any help I can ...
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4answers
65 views

Vehicle dies for a couple minutes when I try to start then turns back on

I have an 02 Chevy Trailblazer I went to start my vehicle up like normal before work. When it was in accessory it was fine but when I tried to turn it over, it all went black. There was no power at ...
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36 views

Blower motor resistor keeps blowing

I have a 2006 Jeep Liberty that has had blower problems for a while. It used to be that sometimes it wouldnt blow on any setting, and then randomly come on in a few minutes after I started driving. It ...
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48 views

I have a custom chopper motorcycle wiring issue

I have a custom chopper motorcycle. I have made a sequencing tail light system in the rear. The sequencing works fine until the brakes are applied. The brake lights causes the sequencing to pulse. I ...
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1answer
30 views

What is the name of a default closed switch?

I have a 2005 Ford Excursion. It has a parking sensor which beeps when it senses something close to the rear bumper. When pulling a trailer, it beeps every time I put it in reverse. I can turn it off, ...

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