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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2answers
155 views

Turn signal problem and not understanding wiring diagram

I have a 2009 Sebring and the turn signal on the passenger side is not working properly. When I turn it on I hear it blink normally a few times then start to blink very quickly. The bulb has two ...
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21 views

How can I find out where pre-cut lead-through under glove compartment for passenger compartment heater on Opel Corsa Combo 2015 goes?

I'm about to mount a passenger compartment heater cable on my Opel Corsa Combo 2015, but I'm a bit unsure how to use the dedicated lead-through. Under the glove compartment there are two pre-cut holes ...
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3answers
64 views

Can an insulated copper wire oxidize down its ENTIRE length?

I was doing some electrical wiring on a snowmobile trailer today and was surprised to see black instead of shiny copper when I cut and stripped a section from the middle of a long section of ...
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23 views

Wire up hall crankshaft fluctuation sensor without wire color

Is it possible to wire up a cf hall wire sensor without color coding. Wires are ground, signal and power.
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1answer
48 views

Cars with no ACC power

I have a car that wouldn't turn on the cigar power supply when the key is on the ACC position. It comes on when I put it in the IGN, so I'm pretty sure this is by design. This is a horrible design for ...
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3answers
67 views

Does car service include diagnosing the problem?

I checked that car service checks many different parts like engine oil, filters, lights, brake, etc. I would assume they will tell you if something is not working. But will I be told also why ...
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1answer
21 views

Engine overheating while temp gauge is normal, malfunction ECU due reverse battery connection

A week ago my 2.4L 2009 sonata started transmission shifting problems and the mechanics told me replace the transmission fluid. The mechanics removed the battery and and started flushing transmission ...
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2answers
23 views

Cable routing and ground for an Anderson connector in the load area of a 2005 Subaru Outback

I want to run a cable from my main battery to an Anderson connector in the cargo area of my 2005 Subaru Outback, to support charging a secondary battery. The secondary battery will be in a removable ...
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2answers
52 views

Engine stops in a second after starting, battery indicator light turns on, dashboard gauges drop to zero; works normally at the second start

The vehicle is 2006 Peugeot Partner Combi Van 1.9D. This problem has been occurring intermittently for a year. The last time was at the end of September; it occurred once a month mostly, more than ...
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2answers
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Need advice for changing battery terminals

Hey so I have a 2000 toyota corolla 4A-FE manual, its had connection problems in the past so got a new battery and it didn't start one morning so I tightened the terminals (and put fuel in it) and its ...
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2answers
53 views

To ground or not To ground

Sure most cars have neg earth chassis return .Boats have single point ground so there are no hull currents to cause electrolytic corrosion .My question is about busses .They have been known to have ...
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2answers
25 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
66 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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33 views

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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26 views

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
25 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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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
33 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
94 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
52 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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1answer
59 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
38 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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1answer
36 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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28 views

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
42 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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0answers
26 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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0answers
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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0answers
13 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
40 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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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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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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2answers
81 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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0answers
25 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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0answers
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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43 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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0answers
36 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
39 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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0answers
39 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
62 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
44 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
28 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
170 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
67 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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29 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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