Questions tagged [wiring]
For questions about the wiring of a car(apparatus that connects electrical circuits).
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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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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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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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Undervoltages detected in rear fog light, not working, Mondeo MK4
I have a Ford Mondeo MK4 Saloon from around '08, Ireland, Right hand drive. Last year I noticed that only one of the reversing lights was working, but the car test passed it anyway. However when the ...
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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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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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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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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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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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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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Peugeot 206 LX (2002), I have installed a cd player which works but it doesn't remember volume/clock settings
I have installed a new CD player Philips CEM2100 it works but when I turn the car on and off it loses several settings such as:
Volume, eu region for radio (this may be because I haven't fitted the ...
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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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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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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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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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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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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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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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'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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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