Questions tagged [wiring]
For questions about the wiring of a car(apparatus that connects electrical circuits).
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Left headlight turns off after starting car
Issue
The left headlight on my 2005 Chevy Malibu seems to have a mind of its own. It turns on when I unlock the car, and it also stays on for a bit when I shut the engine off and get out of the car, ...
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Voltage drop on 2009 Toyota between alternator and battery
New battery keeps dying slowly. I get 13.7 volt output at alternator but only 12.8 at battery. Thinking that voltage drop due to bad wiring between alternator and battery. Trying to trace wires but ...
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Understanding the process of wiring
If 14 gauge wire can supply 120 volts to three 60 watt light bulbs
Then why do some vehicles require 3 power wires for one light bulb ( 2 for HID lighting for the ballast and one for the parking light ...
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Fusible Link vs Fuses
Problem:
I have some voltage drop between the battery positive and the alternator. I'm planning to solve it by replacing the wire. I would like to build my own cable and upsize the wire for future ...
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99 Dodge ram No power at all
I have a 1999 Dodge Ram 1500 with Magnum engine. I lost the key so a friend hotwired it at the steering column. It worked fine until at some point when starting it via wires he crossed 2 wires now ...
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Quick-release for battery terminal loops (D18S/T3)
I have a D18S/T3 battery that I want to use to power the lights of an aluminum boat.
I don't want to leave the battery in the boat when I'm not using it. I figure the elements would damage the ...
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D15 to d16 swap/possible problem
I've got a 95 del sol with d15b7 and looking at a d16y4. I'm wondering about trans mount up and wiring being that I have obd1 with obd2 port, and the motor is 96-97 jdm. I've heard something about ...
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How do I fix hard shifting gear selector on 1994 F-150 auto transmission?
I have replaced the neutral safety switch and the shift tube (broke due to difficult shifting). When a second person gets in and starts the truck, I can get under the truck with a socket wrench and ...
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Car alarm install. Should I interrupt starter or ignition?
I'm installing a basic car alarm on my 2000's (USA) domestic make (gasoline) truck. This alarm has an immobilize feature that is intended to prevent the vehicle from starting.
The mechanism is a ...
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Saturn ion 2007 Temperature gauge
My car temperature suddenly drops down while driving and won't move until I remove the battery and put it back... What could be the cause pls?
I have change the engine coolant temperature sensor or do ...
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Possible wiring issue?
The car in question is a 2012 Nissan Pathfinder. I’ve noticed that every time the car is turned off the stereo and the clock reset and I’m having to adjust it accordingly when I start it back up. ...
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2002 Nissan Sentra 1.8 - where does this go? (engine turns over but won't start after unrelated repair)
Background:
No knowledge of cars. Car running fine, then heater and engine heat began fluctuating and overheating. Expensive diagnosis- low coolant due to leaking radiator hoses, need to replace.
To ...
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12 V split charge system, full circuit specs
I'm working on a 12 V split charge system in a vehicle and I'm confused about which components to choose.
Here's my current setup
Alternator (BOSCH A0165) : 150 Amps
Relay (NAGARES RDT/3-12) : 100 - ...
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Wires from exhaust
Driving down the road today and i hear a snap, then lost all acceleration, these four wires wrapped in a casing were ripped out after wrapping around the axel, they are attached to part of the exhaust ...
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What are these things wired into my cars electrics?
I have recently bought a used 2006 BMW 520D E61 and have found 2 devices wired into the electrics next to the rear fuse box.
One of these I'm pretty sure is a GPS and the other one looks like a ...
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How can I identify the pin order on this board?
I'm working on a project on my car, which involves some tinkering with wiring diagrams, pinouts and modules. I'm quite inexperienced with the electrical part of the stuff, so I'm sorry if this ...
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What is this connector near a 2000 Durango SUV tow hitch?
My 2000 Dodge Durango SUV has a 4-pin trailer light connector next to the towing hitch. Nearby, tucked up near the exposed spare tire, is this cable:
Looks like two contacts, although there may be a ...
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Mazda rd 8 2005
Ok I need help I’m trying to connect my AC fan and my coolant fan back to original connection I had disconnected and had rigged to where when I started the vehicle it would start the fans now I fixed ...
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Two A/C clutch diodes?
'07 Cobalt. A/C clutch fuse was blown. The clutch circuit now reads open to ground, so it seems something catastrophic happened. I am considering what a repair would involve.
The schematic (below) ...
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418
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Possible to have damaged wire that beeps on continuity check?
I suspect I have a issue on one of the connectors in my harness, so I'm testing the loom for continuity on switches contacts and connector pins etc. following the schematic.
I'm wondering is it ...
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Alternator connection is bad
So I have a problem where one of the wires connecting to the alternator comes loose and stops charging my battery. I have an 08 Honda Accord. I have pulled the wire out and attempted to clean the ...
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Replacing driver door wiring harness 2012 Ford Escape
I'm trying to replace the driver's door wiring harness on my 2012 Ford Escape, and I can't seem to get the main connector (at the hinge) disconnected. Is there a trick to disconnecting this? Do I ...
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no sound when turning key, but battery should be fine
I know it isn't the battery. I just had the charge checked, and it starts... Sometimes. But the majority of the time, I turn the key and there's no noise under the hood. The door indicator beeps when ...
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2003 Mini Cooper S headlight not working
I have a 2003 Mini Cooper S, the main near side headlight is not working. The rest of the lights on the near side work.
I have changed the bulb, and I have swapped the ballast over with the offside ...
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Can DC grounds for 48V to 12 Volt Converters be shared?
In my RV, I've run batteries in a series for 48 volts. I'm running that 48 volts DC to (4) 48V to 12V converters. These Converters have a NEG for the 48V input and a NEG for the 12V Output. My ...
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What are these unused dash plugs on my E-350 (cutaway / bus)?
I opened up the dash on my 2012 Ford E-350 cutaway (with a Starcraft Allstar bus body) to replace the factory radio.
In addition to the wire harnesses (and vacuum lines) for the HVAC, 12v plugs, and ...
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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
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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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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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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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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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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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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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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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