Questions tagged [wiring]

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

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1answer
29 views

Wiring electric helmet directly to snowmobile battery

I have an electric snowmobile helmet with a RCA plug and not instructions. The black wire has a connector for the screw terminal on the battery, but the red wire is bare. What do I connect the red ...
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2answers
126 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
52 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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2answers
224 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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33 views

Ford Fusion 2014 unused connector under rear seat

I have Ford Fusion 2014 2.5 and I would like to put a subwoofer+amp in the trunk. Under rear seat, right side, close to the trunk, there is unused connector with 5 wires. Could someone please help me? ...
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1answer
178 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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3answers
238 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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2answers
32 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
37 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 ...
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1answer
88 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
42 views

2014 Jeep Cherokee Wiring harness ground to a 12v power outlet

can i ground tekonsha 118605 trailer harness to a 12-volt power outlet ground located in the rear cargo area on my Jeep Cherokee?i have the power wire ran to the battery and everything done except the ...
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1answer
234 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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2answers
2k views

Need help wiring low beam and high beam headlights

New aftermarket headlights on my daughter's truck have separate lights for low and high beams. I would like to wire them together so the low beam will still work independently, but they both will come ...
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1answer
45 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
6k 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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2answers
50 views

Windshield Wipers turning on on their own

2012 Ford Focus SE My windshield wipers have been going crazy. The other day, after parking my car and taking the key out my windshield wipers turned on. Eventually they stopped after a few minutes. ...
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1answer
3k views

Something is causing my 12V ignition wire for the stereo not to function

I have 2002 ford focus and I installed a new stereo system it was working fine.... then I had to pull the stereo out again b/c I forgot to install Mic. and cig lighter.... after I hooked those things ...
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1answer
56 views

Correct gauge of wire for earth/ground

One of my ground cables, which links the battery to the gearbox has snapped. I used a caliper to measure the diameter of the wire, and it is approximately 6mm in diameter (so i calculated this to be ...
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1answer
32 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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2answers
49 views

Finding wire for “Unused Fuse”

There are many unused fuses populated in my 2010 Ford Fusion's interior fuse box. I've tested with a voltmeter and the fuse I have in mind turns on and off with the ignition, which is what I want. Now,...
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2answers
22 views

Wires cables hoses and bushings

What purpose does changing to braided hoses, polyurethane bushings and the sort do to improve performance and reliability in general
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1answer
25 views

310 watt light bar on 12 volt car battery [duplicate]

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 wiring ...
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1answer
64 views

Loss of power when park lights switched on

My Nissan Nv200 2012 right hand drive has this issue when ever i am driving then switch on the park light so as to illuminate the dashboard i immediately lose pedal power.Switch it off and vehicle ...
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1answer
1k views

HuiFei Android HeadUp Unit not shutting down completely, ACC and CONST wires mixed up?

I Bought No brand Android head up unit from ebay (Hong Kong) here is a link to the unit Generic android 4.4.4 car stereo My car is Volkswagen Golf VI 2010 The problem is that when I turn the car off ...
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0answers
32 views

How do I connect an Antenna Cable to a Sat Nav's Power Cable?

I have just purchased a new Sat Nav Unit and would like to connect my original Radio Antenna to the Sat Nav Unit, so that I am able to pick up Radio Stations and control their output via the Sat Nav ...
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1answer
64 views

Subaru automotive wiring and fuses - 0.3mm2 wires with 15A fuses?

A factory Subaru Impreza 2006 has 0.3mm2 ECU/ECM wires protected by 15A fuses while the service manual itself states that 0.3mm2 has allowed currency rating of 7A, that is 2 times lower than the fuse ...
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1answer
42 views

2002 Silverado 4.3l wiring question, MAF sensor and water temp sensor throwing intermittent codes

My truck had been throwing intermittent MAF codes for a month, P0102 "low or no voltage." I only noticed due to the rough idle and "stumbling" on acceleration. I finally got around to giving the MAF a ...
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1answer
23 views

'09 VW Tiguan - Fixing broken wiring on the rear defroster

So I took my Tiguan in for routine maintenance for the first time since buying it used 6 months ago. I've noticed that the rear defroster doesn't work so I mentioned that to the mechanic when I ...
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20 views

56 plate fiat punto grande main beam won't work but hight beam will

Hi I don't no if I will get any advice I got a car to mess about with just to learn about cars a bit more and the main beam will not work but the high beam does I have checked all the fuses and none ...
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2answers
5k views

Mercedes ML 430 will not start. No click, no electrical lights nothing.

After taking a nap in the parking lot at my job, the driver's seat (power seating) -- the passenger seat did work-- I had laid back could not be readjusted. After work I went home (3am closing shift). ...
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22 views

I need the male end of a cable connector that mates with THIS female connector

I have a Jeep Wrangler in which I've had a 5.3L Chevy LS engine installed, along with the GM ECU, a custom radiator and a GM radiator fan (from a 2017 Camaro I believe). The radiator fan has this ...
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0answers
23 views

'91 Ranger Radio Circuit Board

I want to disable the tape deck from my '91 Ford Ranger factory stereo, and solder an AUX cable in its place. I took the radio apart, and to to get to the top of the board and find the labeled ...
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2answers
71 views

Starting an automatic for the lazy mechanic

I have an ignition problem with my 1985 Mk1 Golf Cabriolet Automatic (1.6 EW engine). I was watching a YouTube video where the mechanic was testing the crank position sensor in on of these cars (it's ...
2
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1answer
81 views

How do I remove this wire?

I've got to replace the wire and need to remove it from this case. It looks like it locks in somehow. Anyone have any ideas? Idk what this type of enclosure (wire holder?) is called.
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2answers
107 views

Why starter needs two positive connections

So from schematics or youtube it is clear that car electric starter is connected to battery positive terminal with two connections: one is always connected to battery (B wire) and one going through ...
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1answer
3k 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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1answer
321 views

Missing fuses - is it OK?

I recently got the car horn replaced and the mechanic changed the 2xfuses for the horn from 7.5 amps to 15 amps each after installing the new horn. This is because when testing the horn, it blew a ...
2
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1answer
280 views

Starter spins but doesn't engage flywheel

I was wondering if y'all could help me with this recurring problem. My 1983 Ford F-350 has had a starter problem for the past couple of months. After a week or so of installing a new starter and ...
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1answer
72 views

Rewiring an engine

I have a 1987 Ford Ranger with an LL23 engine in the garage. I've been able to short the starter to the battery and get a compression test done. Mechanically the engine is good. The problem is, ...
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1answer
41 views

12V 10A outlets: Slight smell of burnt copper at 8A. Is the outlet still safe now?

When I accidentally depleted our car battery, I charged it's battery from the inside outlets, using a 0-30V 0-10A bench power supply device. The car has 3 outlets. One individual outlet is rated for ...
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1answer
12 views

2017 Dodge Journey

I recently bought a 2017 Dodge Journey SE 4 cyl that has a small 5" radio in it, at first I was a proud owner of a lcd screen going from a 2002 Ford explorer to a 2017, but now I'm wondering if I can ...
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2answers
110 views

My OBD 2 port is completely shredded, need help with wiring!

The harness of my OBD2 female is shredded but the wires are still intact. I got a new female port but I failed to find a proper wiring diagram to help me align the wires to their respective output in ...
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0answers
9 views

Starting problems 49cc 2 stroke stand up

Starting issues on my kids 49cc stand up scooter. Not sure what the secondary box off the coil is. Has a catch on the fly wheel. Catch: there is NO battery. Help?
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1answer
36 views

Does anyone know the style of connector used on Ford CFI throttle body injectors?

I am trying to find the part number on a connector for the injectors used on Ford's throttle body injection. This connector is on a Bosch injector made for Ford's CFI throttle body injection used on ...
2
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1answer
356 views

2004 renault megane grand scenic ii

I am currently having an issue with my car when I try to start I have the follow messages low oil pressure, low battery, parking brake fault I have inspected all wiring fuses in engine bay all fine ...
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0answers
19 views

Electrical wires worked with a melting connector but when I cut them and tested by twisting them together it wont work

So, like the title said I had a 3 wire connector plug which I assumed had wires grounding in it which was causing it to overheat and melt, when i clipped the wires and twisted them together to see if ...
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2answers
54k views

VW Mk4 Golf/GTI airbag indicator warning light

My 2002 VW GTI MkIV recently had the airbag warning indicator light turn on. The VW dealership wanted to charge around $600 to fix it. They told me the seatbelt latch was at fault because it had an ...
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0answers
22 views

Trailer tail lights go dim with hazards on

I've wired up a 13 pin trailer plug to my 1996 Defender 90. When I connect a trailer board and I put the headlights on (tail lights come on) and put the hazard lights on, the tail lights go dimmer ...
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2answers
887 views

How to handle connecting multiple ground wires?

I want to refurbish the rear light wiring of a campervan. The wiring is a mess with way too many connectors and no labeling, and has intermittent connection issues (lights not working). On one end, ...
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2answers
3k 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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