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Questions tagged [wiring]

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

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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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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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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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49 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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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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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 ...
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39 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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258 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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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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'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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47k 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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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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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
160 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
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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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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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628 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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1answer
31 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
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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
29 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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2answers
2k 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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1answer
189 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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I have problems with low beam and cruise control on my Holden Commodore VY

Headlights were working fine. Low beam is now too dim to see with ( Both sides) High beam still works well. Cruise Control was working well, but now works on and off, sometimes for a while, next time ...
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1996 ford contour bank 1 02 wiring problem

I have a 1996 ford contour 2.5 v6 that my dog pulled the wiring and plug off of the 02 sensor.the wires off the harness are this brown w/blue stripe.black w/orange stripe..white w/green stripe.and ...
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2answers
200 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
39 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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How to plug engine harness into 81 chevy aftermarket distributer

We're rewiring the engine on an 81 Chevy. The distributor has two markings. Tach and Battery. There are two wires that fit the outlet. Do we need both, is there any way to tell which cable goes ...
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1answer
35 views

BMW head unit losing memory after some time

I have bought an aftermarket head unit and a harness adaptor for the BMW. I'm not great with cars but thought I'd give this a go myself. The harness has a flying red wire which required connection to ...
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c30 engine wiring

I was putting a new starter into an 81 custom deluxe and one of the wires crumbled. The wiring harness looks like its original. We're wondering about trying to patch it or replacing the harness ...
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Tail light doesn't work, when I turn on the headlight

I have a 2007 Honda Civic with over 200k miles. When I turn on the headlight, tail lights don't turn on. Turn signal light works fine, brake light works fine and reverse light works fine as well. I ...
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1answer
20 views

Where do I find the fusible link in my 2001 Mitsubishi Eclipse V6?

The right headlight low beam circuit fails to provide power to the headlight; there was an intermittent short at the headlight connector between the ground and power leads. The relay is operational ...
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1answer
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2008 chevy 2500HD 6.0L

Rear O2 sensor plug on drivers side has been torn off of the main harness leaving only two wires left to go to the O2 sensor. O2 sensor appears to have had 4 wires coming from it. How do I rewire ...
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What can I do to combat wire embrittlement?

I live in a very hot climate where temperatures regularly touch 45 deg C and the heat in the engine bay area means that under-hood wires, especially the thinner ones, endure high levels of thermal ...
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3answers
21k views

Two cable connectors under each car seat - what are they for?

I know that one of them is for AirBag (probably the thick yellow one), but what is the other one? Car is Chevrolet Aveo 2007. As can be seen on driver's side there is: thick yellow cable (update - ...
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Please help no one knows what's wrong

I have a 2008 Chevy Equinox went to start it and nothing no sounds nothing all lights and gauges work battery is fully powered had it towed to garage and they said it was starter so we replaced it ...
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Stereo Headunit resets everytime its switched off/on

Car: Audi TT 2011 Stereo unit: Pioneer SPH DA120 New on here and dont usually need to ask but i cant find an answer to my problem anywhere. Had a huge headache installing my head unit and a new sub ...
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46 views

KIA Oprius / Amanti 2006 instrument cluster pinout, wiring diagram

I am currently doing an instrument cluster swap, but I need the pinout or wiring schematics for it. Thank you in advance.
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108k views

Is it necessary to have two ground wires (1 to engine and 1 to car-frame)?

My jeep's stock wiring has two ground cabled coming from the negative terminal. I recently upgraded all of my positive cables, and now I'm on to the negative. Is it necessary to have one cable going ...
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2002 Ford E450 7.3l Ambulance starter issues

My starter will only work when I jump the wires on my "new" fender mounted solenoid. Not using the key, just have it turned on and jump the solenoid. At the starter there is a red wire (thin) looks ...
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3answers
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Aftermarket stereo with alternator whine

I replaced the OEM stereo unit in my 2001 Toyota Celica with an aftermarket one to have bluetooth, USB connectivity, etc. No new wires were added, I just used the original wiring with an adaptor like ...
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diagnosing battery drain -ford Taurus 97 - fuse 23

pulling out fuses one at a time, i isolated the leak to: fuse 23 - leaking off-scale (> 250mA at 12V) - "Wiper system,variable assist steering, remote entry, anti-theft" fuse 24 - leaking ~180mA - "...
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Deutz AgroStar 4.61 wiring plan

I want to build a GPS-based automation steering for my Deutz AgroStar 4.61 tractor. For this I would need some wiring plans to know how I should wire the tractor-electronics with my microprocessor. ...
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2answers
2k views

Trouble rewiring O2 sensor harness after dogs ate it

This is a 2005 GMC Yukon 4x4 4.8 L. Ok, dogs actually ate my harness going to Bank 2 Sensor 1 O2 sensor. The connector from the body side of the wiring is completely gone. I found a connector I can ...
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1answer
747 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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1answer
805 views

Nissan Versa 2014 reverse light wire

I have a backup camera to set up, but checking which wires go to which light isn't easy since the bulbs are mounted onto a circuit board instead of visually being able to see where the wires go. Upon ...
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1answer
256 views

My '06 Honda Civic headlights are malfunctioning

About a month ago I got a message on my dashboard notifying me that my Daytime Running Lights (DRL) were not working. A week later I noticed that both bulbs were broken inside the assembly. Now my ...
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2answers
496 views

Trailer AFC converter turn signals blink together

I have a Nissan Murano 2009 (made in Japan for US market). I installed a trailer towing hitch and now I want to install a towing harness. Since I live in Europe I bought Brink Wiring Kit (732614) ...
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1answer
157 views

Install cutoff switch to solve an intermittent battery drain?

Bike: 2018 Husqvarna FE350 I have an intermittent battery drain. Sometimes when I park (turn bike off and take out the key) the bike for 12 hours or so, the battery will be dead. Sometimes, the ...
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767 views

Car Stereo Forgetting Settings Upon Restart

I installed a car stereo a few months ago and it seems to forget all of its settings whenever it loses power. The stereo the car came with didn't have this issue. I am familiar with electronics so I ...
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1answer
1k 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 ...