Questions tagged [wiring]

For questions about the wiring of a car(apparatus that connects electrical circuits).

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140 views

BMW 118d RADIO PROBLEM

So I installed a after market radio. Apparently BMW doesn't have a ACC+ wire, only a constant 12V (yes it was weird for me also) I checked all the cables with my multi meter but there wasn't a single ...
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1answer
297 views

Toyota Navigation System Connector doesn't fit Pioneer receiver

I'm trying to replace my car stereo in my 2006 Toyota Camry XLE with navigation system. I had the default navigation system Denso DW468100-0150 and wanted CarPlay and Bluetooth, so I bought the ...
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1answer
97 views

What does the dashed box mean on this wiring diagram?

I couldn't find an automotive mechanical stack exchange, so hope this is ok here. This is a partial wiring diagram of the PCM on my truck (2011 Dodge Ram). I am trying to find the Driver Unlock Relay ...
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1answer
60 views

How to figure out wiring scheme of cars AC controls

I'm not sure if this is the right for for this, but my 2011 Nissan Maxima has it's AC controls in the same part as it's stereo controls (see here) and I would like to replace my stereo. This means I ...
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1answer
62 views

What type of terminal pins do radio harnesses use?

Brief backstory: I got a car that was a great deal and the radio is the only thing wrong with it. They told me that while they were swapping out the OEM radio it wouldn't accept the new one and then ...
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1answer
3k views

Head unit ignition switch wire has constant power

I have an aftermarket head unit in my 2014 Jetta that I installed myself. After several times waking up to a dead battery when I was sure I didn't leave the radio on, I decided to kill all power to it ...
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3answers
71 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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1answer
44 views

2007 Mercury Montego V6, Need to test the alternator output independent of the wiring harness and computer

We've had the alternator rebuilt once and replaced it entirely with a brand new one. We've replaced the battery twice. Mechanics keep insisting it's the alternator. And I quote "it's never the ...
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1answer
86 views

310 watt light bar 12 awg wire harness

I am currently looking at a 32 inch 310 watt LED light bar for my 2010 Honda CRV. The light bar I am looking at is https://www.amazon.com/dp/B07MCNYXFT/ref=cm_sw_r_cp_apa_i_JpKPDbTR3J8R4. The ...
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1answer
26 views

Moto Guzzi V85tt -- Immobilizer antenna short circuit error B0005 after light install

I recently added some auxiliary lights to my V85tt motorcycle. I used Cyclops lights with a Skene controller to tie them into the high beams. They are sold as a pair. I believe everything was ...
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1answer
36 views

Obd2 not working, need to rewire

1996 chevy p30 5.7L Obd port wasn't working. After I looked under the dash it's apparent someone has cut all the wires and never wires them back in. I guess there was front end damage so I assume they ...
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2answers
540 views

Starting wiring diagram for 2012 Grand Cherokee?

I'm currently working on a 2012 Jeep Grand Cherokee with an intermittent no crank issue. If you turn the ignition on and short the starter relay it starts up straight away. I have a good live feeding ...
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1answer
50 views

How to correctly test voltage on taillight/trailer plug/harness?

Vehicle in question is a 2007 Toyota Rav4 Limited with the 3.5l V6 and has the factory tow package. I have a trailer harness in which the green pole, aka the right/passenger side turn signal, is ...
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2answers
452 views

Starter solenoid breakdown

Triumph T100 motorcycle, starter solenoid clicks a lot and doesn't turn motor enough, it would start after pressing starter button for a length of time but solenoid would then break. When my original ...
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2answers
5k views

Trouble connecting 16 pin car stereo power cable to Pioneer radio

A bit of a mystery to me (I'm new to this). I have a power cable in my car like this: The back of my new Pioneer stereo has a connector like this: Basically it doesn't fit (the plug does not have ...
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2answers
4k views

How To Diagnose 3rd Brake Light (Without Proper Equipment)

I have a 2012 Ford Focus (sedan version). The third brake light stopped working recently and I'm trying to determine if the problem is with the light itself or inside the vehicle, but a I have very ...
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2answers
852 views

'94 Kawasaki ZZR600: Electrical issues

first post here, be gentle :) I have an (presumeably) electrical issues with my '94 Kawasaki ZZR600 (ZX6). Two weeks ago, I was ready to go to work when suddenly the bike died on me, all electrical ...
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3answers
541 views

Ground Loop Fuel gauge

I just restored my car (1970 Datsun) and the only thing I can't get to work is the fuel gauge. I have a brand new gauge (just a fancy and expensive ohm meter really) that is correctly programmed. A ...
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1answer
217 views

Intermittent Wiper Wiring Nomenclature

! I have drawn up a schematic using instructions and schematics from my car and components I am installing. My question is in regards to the gray wire at the left side pin 6 of the Rain & Light ...
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1answer
105 views

What type of trailer plug is this?

I can't for the life of me figure out what type of trailer light adapter this is. It's on a 2006 Toyota tacoma. It doesn't fit any standard 7 way plugs. I have an adapter that looks similar but the ...
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2answers
44 views

steering treehouse/stem, forks replaced now it wont start

Are there safety features such as the kickstand being down, clutch in or a loose ground wire that effects the start button directly? If so, what grounds do I check on my 2001 Suzuki Katana 600f?
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1answer
106 views

Spikes while observing my obd2 scan tool

I have a 2005 chevy avalanche 1500 4wd automatic. I bought this last summer and ever since I got it, it has had problems one after the other. I recently bought a OBD2 scan tool and started observing ...
2
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1answer
109 views

Battery Drain Immediatly

So, I am currently putting in a finalized sound system in a 1998 C5 corvette. I finally put the whole thing together( 4 speakers, hooked to an Alpine amp with RCAs. And a amp included sub box, the ...
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1answer
80 views

Deciphering Wiring Harness Diagram

I am an electronics enthusiast and I am helping a friend decipher a wiring harness diagram for his vehicle. He sent me the attached image to help him figure out what wire goes to where, but both he ...
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0answers
15 views

RV inverter wiring

I would like to install an inverter in my 5th-wheel. I want it wired into the panel so that the trailer will switch between shore/generator/inverter automatically. The problem is, there are a few ...
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1answer
64 views

1997 Subaru Legacy won't start after shorting ignition switch

My 1997 Subaru Legacy was recently stolen and recovered, and the thieves broke the ignition switch -- the key simply will not turn. As I was removing the ignition switch, I noticed that on the back, ...
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0answers
14 views

Ford Fusion 2015 SE 2.5: Amplifier 12Volt wiring from Fuse

Hay friends, I setup a small amp 2x~60 Watt for factory missing 2 rear speakers on Fusion 2015-SE (I added speakers myself) and there might be "~6A" current usage from the amp. I found that ...
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1answer
45 views

What are some good ways to trace wires in an engine?

Something chewed the wires in my car's engine recently. What are some ways to trace which wires goto which components? Backstory: a few months ago, my car started acting funny. One of the blinkers ...
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31 views

Do they make a under front car seat wire connector protector

under front car drivers seat wire connector protector 2017 Camry LE my dog puppy like to pull on the wires. has anyone made a cover or anything to protect these venerable connectors to pets, if so ...
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1answer
32 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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0answers
54 views

Starter not engaging motor

I have a 1986 Kawasaki bayou 300 that the starter is not engaging the motor. I put a brand new starter on and didn’t fix it. Also put on a new starter solenoid and still didn’t fix it. I checked every ...
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1answer
199 views

Brand New EGR Defective, wiring harness problem or both?

I just installed a brand new EGR on my neighbors Peugeot Partner II 1.6L HDI Turbo Diesel. As soon as I connected it and tried a bidi self test I got a bunch of codes. Cleared the codes, and now ...
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3answers
2k views

2006 Chevy Factory Stereo Wiring

I'm replacing the stock stereo in my 2006 Chevy Colorado. All of the diagrams I've seen online show that A1-A7 are unused example but A1 and A2 have a similar, smaller wire (see picture). The adapter ...
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42 views

Toyota Sienna 2009 Code P0705

A few months ago, check engine light, VSC, Trac off lights came on. And the Neutral and Drive lights turn on at the same time when in drive (the other gears just turn their on light fine). After ...
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5answers
1k views

Upgrading starter wire?

I did an alternator upgrade recently, and I have 3 feet of 1/0awg wire left over. Would it make any difference if I were to use this remaining wire to replace my starter's current 6awg wire? I have ...
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0answers
43 views

2006 accord power lock wiring question

I'm not sure if such a specific question is appropriate here, but: I have a 2006 Honda Accord Coupe EX with nav. and MT. The Power Window Master switch in the driver's side door is from a 2003 model. ...
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3answers
6k views

When to use chassis and when to wire to battery neutral?

I'm thinking of adding a 4 AWG wire to the cabin of my wife's SUV from the battery so as to be able to use a 750 watt inverter to its max*. In researching this I came across people installing amps ...
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1answer
49 views

Should I replace wiring harness? If yes, how to do it?

My Hyundai Tucson 2013's fog light is not working. Also a bulb in cabin which is supposed to stay steady is blinking. I suspect this could be because of the voltage drops and electrical faults. I ...
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0answers
15 views

Hyundai battery drain

My car battery drain i checked all the fuses with series connection of ammeter in battery negative always showing 0.85A what is the reason can any one please tell me. My car is HYNDAI I20 Magna 2012 ...
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2answers
118 views

Put in aftermarket stereo and used aftermarket wiring harness adapter... won't work unless connect battery and ACC wire together? Draining battery

I have put an aftermarket Double Din stereo in my 2001 Nissan Xterra and used the correct aftermarket wiring harness adapter kit. I have wired it color for color with the exception of leaving the ...
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0answers
35 views

Help Identifying Wiring Harness

I need to find out what this goes, the year and I think it’s to a corvette eco and wiring harness but don’t know for sure Help [![enter image description here][3]][3] [3]: https://i.stack.imgur.com/...
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1answer
37 views

I have an Opel Astra H 2008 Bluetooth adapter and need to install a power switch for it

So I have a 2008 Astra H with the default radio. I have installed a CTAVXBT001 Bluetooth kit. I want to be able to switch it on/off by adding a switch to the adaptors wire. I have my soldering kit ...
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2answers
44 views

Trying to find an answer for my 92 Dakota not turning over

I've changed the neutral safety switch and checked the wiring from the battery to the starter and the it still nothing but i can start it off the solenoid and it runs like a charm any suggestions
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0answers
29 views

What is the correct ammeter wiring?

I bought an ammeter which I would like to connect in my car. This ammeter is a gauge available on Aliexpress and has only two poles (some ammeters have a third negative pole). I wired from one side ...
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2answers
110 views

What relay do I use to power aux lights from two separate switches

What type of relay is the picture below? I am wanting to power some aux LED lights but would like the ability to switch them and have them come on with the high beams when they are switched off. I ...
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0answers
40 views

Amplifier draining battery

I have a 2005 Chevy Avalanche with a parasitic draw. I have it narrowed down to the factory bose amplifier and had already replaced it with no change in the current draw. I had disconnected the radio ...
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2answers
296 views

LED bar power directly from battery?

I am soon going to install a LED bar on my Hyundai Tucson 2006. I want the lights to go on whenever the high beam is activated. I have located the fuse for the high beam, and intend to use an adapter ...
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1answer
97 views

Choose Correct Diode

I had to do some creative wiring on my car's A/C to get it working without a $1000 repair bill. Now the A/C works perfectly, but I need to isolate the current on one of the wires to so that it only ...
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0answers
53 views

What's happening with my alternator?

So, my car has blown up to 6 alternators thus far. Luckily I had a life time warranty replacement on it and did not have to pay for it. Autozone is definitely going to void that warranty on my next ...
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1answer
2k views

Electrical power shutting off while driving. 2002 Buick Rendezvous CXL

I've had this problem for about a week now. While driving the car radio, instrument cluster, A/C and lights shut off intermittently and I can hear clicking from relays in the fusebox. The engine runs ...

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