Questions tagged [wiring]

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

Filter by
Sorted by
Tagged with
3
votes
3answers
4k views

2003 Ram 1500 4.7 Misfiring Cylinder 3

Would a bad fuel injector cause plug not to fire? Weird voltages at harness for cylinder 3 compared to other cylinders. No spark at plug. Coil and plug new and tested on other cylinders. I am leaning ...
3
votes
1answer
754 views

How can I identify which wire should hook to my headlight switch in my Mazda Protoge (91)?

The headlight switch in my dash is not connected to anything (I noticed this after the headlights quit working!), so I took the dash panel off in an attempt to find the plug. The only plug I could ...
3
votes
0answers
232 views

2004 suzuki sv650s fuel pump does not prime or start

I've just purchased this bike as a non runner due to the alarm ( datatool system 3) I bypassed the alarm and it run like a dream. I then proceeded to remove the ararm by following all the wires and ...
3
votes
3answers
194 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 ...
3
votes
1answer
3k views

Bosch MAP Sensor Voltage issue

For those who think: TL;DR long story short: I want to measure the voltage output at certain temperature but do not get a signal. Details: I have a BOSCH MAP Sensor here (0281006108), it has 4 Pins:...
3
votes
0answers
54 views

Getting Wiring Harness through Radiator Support?

I'm currently in the process of doing my best to overhaul an 88 Chevy Silverado Pickup 2500 V8 5.7L. I do not know much about cars, but am learning. Anyway, long story short, the engine hoist I have (...
2
votes
4answers
18k views

Radio Wiring diagrams and/or color codes?

I've got an older Nissan truck (1994) that did NOT come with a factory radio. A previous owner had an aftermarket style radio installed, and the installers used one of these universal radio ...
2
votes
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 ...
2
votes
1answer
79 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.
2
votes
1answer
180 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 ...
2
votes
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
votes
3answers
2k 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 ...
2
votes
2answers
2k views

How do connect any rear door speaker to my sony aftermarket car stereo

I have a VW Polo 2003 1.2 and would like to add a speaker to each rear door. I am a complete newbie when it comes to electrical work in cars (actually in most things about cars other than the ...
2
votes
1answer
36 views

underseat lighting that goes on when door opens or with switch

I'm looking for a wiring diagram that will allow my under seat LED lights to turn on when the car door opens, or with a switch. I am planning on tapping into an existing light that goes on when the ...
2
votes
2answers
1k views

Truck Cap Lighting and Wiring - Can I splice two ground wires together, connect to one ground?

I have a new truck bed cap. I need to wire the cap's dome light and third brake light. As such, the cap has four wires (supply to dome, ground from dome, supply to brake light, ground from brake light)...
2
votes
2answers
52 views

My 99 Ford Mustang will not keep a charge on the battery. We have replaced the batter 3 times since last summer. What could be draining it?

I am looking for help. I have a 99 Ford Mustang v6 5speed. We have replaced the battery 3 times in the past 8 months and the battery is now dead again after replacing it less than a month ago. We ...
2
votes
1answer
768 views

Rewiring Liebherr crane with magnet

I'm trying to replace the wires from the boom to connectors that go into the wiring harness and into the ground. The existing wire is 13 mm with a 2000 volt rating and the replacement my boss ordered ...
2
votes
1answer
2k views

installing car radio - cords issue

I bought a simple radio, and i am trying to install it. From the new radio the following wires exist: speakers: 2*grey, 2*pruple. 2*blue, 2*green. Yellow - go to battery Black - go to ground red (acc) ...
2
votes
1answer
763 views

New CD Receiver requires the microphone for Bluetooth audio?

I just installed a Pioneer FH-X720BT CD receiver in my vehicle. I did not install the external microphone that came with it as I didn't want a wire hanging around, and I assumed that the microphone on ...
2
votes
2answers
1k views

What are the methods to improve headlights of a car?

I'd like to improve the headlight illumination on my Toyota Carina AT 150. It is equipped with square type 55W lamps, but it's difficult to drive in the city or rainy/misty conditions. What are my ...
2
votes
2answers
23k views

Amp Install Question. Splice in pre or post factory amp?

I am planning on installing an amplifier in my 2008 Mustang and hoping to keep the factory head unit for now. My amplifier supports high level input through the RCAs. My question is should I splice/...
2
votes
1answer
239 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 ...
2
votes
1answer
3k views

Testing a motorcycle ignition coil and spark plug

Here is an image for reference: I am attempting to test this ignition coil and spark plug. How do I go about connecting this to its corresponding 6v battery to get it to fire. As well I will be ...
2
votes
1answer
28 views

Do i need a separate powerswitch for amplifier besides remote

I have a Ford Fiesta 2010 model. Its fitted with JBL GT5-A402 amplifier with 240 watt. It is connected to a Pioneer head unit. Rem wire is working fine. Amplifier is powered directly by the battery ...
2
votes
1answer
801 views

Identifying chewed wires of my 2005 Ford Taurus

Some mice chewed up the wiring of my 2005 Ford Taurus. I have already replaced the spark plug wires, but I need help identifying the remaining wires and the parts to which they run. Here's the first ...
2
votes
1answer
114 views

Gem Harness - MAZDA 2 1.6 2011

Can someone please explain to me what is Gem Harness? Is it something to do with wiring? Searched the net but could not find any convincing answer anywhere. The primary reason I am asking is because ...
2
votes
2answers
1k views

No sound to single speaker, even after replacing the speaker

I have a 2005 Chevy Aveo, and the front passenger speaker has no sound. I was able to find a replacement, and swapped out the original speaker for the spare. Unfortunately, this did not help. I know ...
2
votes
1answer
3k views

Truck won't start with key, but will remote start

1996 chevy suburban 1500 4/4 5.7 liter vortec ... My truck won't start when I turn the key. I get nothing like its not getting juice. But when I use a test light it has juice on the starter. So when I ...
2
votes
2answers
46 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. ...
2
votes
1answer
444 views

Can I use a fuse tap with an external fuse on the power cable?

I have a power cable for an active underseat subwoofer that I want to attach to my fusebox (corsa d 2008). My plan is to take out a non-important 15A fuse, put it on the fuse tap in the bottom slot ...
2
votes
1answer
102 views

Car Radio Installation issues

I am having a very weird situation with my newly installed Pumpkin Auto radio. I recently bought the Pumpkin Auto universal radio and I am unable to get it to work on a Toyota Starlet Carat, model 97....
2
votes
1answer
28 views

1955 Chrysler Windsor no response when I turn the key

I have had this car for a while and have had it running for a while but suddenly it stopped working. When I turn the key there is absolutely no response; no lights no clicks, no starter activity. The ...
2
votes
1answer
118 views

Fitting a MotoGadget V2 Unit on my motorbike

I have an older fuel injected motorbike (Ducati 2003 DS1000 SSie) which I would like to customise. I am planning on fitting a MotoGadget V2 Unit, to simplify the wiring. On this unit, there are in- ...
2
votes
1answer
255 views

2001 Jeep Wrangler wiring part for headlight switch

I'm wondering what this part is called? My headlights stopped working so I pulled the dash panel under the steering wheel and found this part was corroded and burnt. Please help me out! Headlights won'...
2
votes
1answer
1k views

Before reapair wiring - may Skoda Superb (2010) have an door impact sensor?

I have ab broken door wiring harness in my Skoda Superb (2010; 8004-AIT; German version). I think about to repair it myself. But I'm not shure if the Skoda has an door impact sensor. In this case I ...
2
votes
1answer
950 views

Saturn SL1 1998 Wiring Diagram

I'm in search of wiring diagram of Saturn SL1 1998. My car does not fire-up anymore, and everything indicate that the interlock has stopped working which stop my car from starting. I want to remove ...
2
votes
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). ...
2
votes
1answer
3k views

Blower motor resistor Continuously Going Out…or not?

I drive a 2004 Chevy Monte Carlo and the A/C is usually fine. However, this car has gone through 4 blower motor resistors. What happens is that, randomly while driving or when turning the A/C on (it ...
2
votes
1answer
86 views

Honoring A Recall

I recently bought a 2005 Suzuki Reno and have been having some headlight problems. I noticed that there was a recall on them (for headlight problems) back in 2007 and again in August 2012. The CarFax ...
2
votes
1answer
1k views

Is it possible to automatically lock the doors when my Santa Fe is shifted from park?

I'm working on a 2002 Hyundai Santa Fe. I'd like to get the doors to lock when the vehicle is shifted from park, and unlock when the vehicle is shifted to park. There is an indicator on the dash that ...
2
votes
1answer
77 views

Wire attachments for KnuKonceptz Wiring Kit

I just got a KnuKoncepts 4AWG kit and it came with the wires etc. and then a baggie with a bunch of gold tips (circle things)... I was wondering how you attach the wires to these things? Should I ...
2
votes
2answers
76 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 ...
2
votes
2answers
165 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 ...
2
votes
0answers
45 views

Mazda 3 Sedan 2010 - Replacing trunk light holder

As stated in the title I am trying to figure out a way to pull out the holder from the trunk of my 2010 Mazda 3 Sedan. Adding more to the situation, the holder has melted and is now moved a bit inside,...
2
votes
0answers
65 views

Blower resistor 2x3 connector replacement

I had an issue in a Citroën C4 2008 where the blower would work on settings 1-2-3 but not 4 (max). I took out the resistor and found this on the connector that plugs into the resistor: As can be seen,...
2
votes
0answers
106 views

Switched fuse always on

Wondering if someone can help. I am putting in a GPS unit in my friends truck. Not the first time I've done this in his truck. Last time we ran the red ignition wire to his fuse box using the supplied ...
2
votes
1answer
81 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 ...
2
votes
0answers
405 views

Alternator whine with perfectly run wires

I know a fair bit about car audio, and so does my friends. We've installed probably 10-20 big time audio upgrades, meaning new speakers all around and medium to insane subwoofers in the trunk. However,...
2
votes
0answers
38 views

Combine two circuits in parallel?

From a purely electrical perspective, I'm pretty sure this will work fine and won't cause any issues. That being said, I wanted to get some more experienced thought. In my vehicle, I have a 125A ...
2
votes
1answer
224 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 ...