Questions tagged [wiring]

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

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57 views

Can a “switched” automove circuit be re-routed to power devices currently wired to an “always-on” circuit, all just in the fusebox?

The reason behind this question has been asked (and answered) countless times: How to make an automotive dashcam, that plugs into a 12V accessory socket, switch off when the engine is not running. (Or ...
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48 views

73 F100 ignition

73 F100 Electronic distributor (no points) **NEED CORRECT WIRING FOR/TO EACH OF THESE DEVICES ** Ign switch (Blk w/grn, Yellow, Red, Pink & two Red w/grn - on one terminal ) ICM (2 + 4 w/Blue ...
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79 views

What type of pins do H13 headlight sockets use?

I'm changing out the headlights in my 2004 Jeep to something more modern that require H13 sockets. I purchased some OEM H13 pigtail connectors, but I would much rather prefer to cut off my H4 ...
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177 views

Car stereo wiring for illumination

A friend gave me the Toyota PZ071 stereo head unit. He installed a different set in his car and the original head unit he gave to me. Unfortunately, the installer left the original connector harness ...
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1answer
726 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 ...
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1answer
66 views

need a diode to put in when installing new wiring

need a diode for a Harley three wheel police bike. don't know any specs but is a 12 volt alternator system. diode goes between gen. and oil press. lights and the regulator. Harley no. 74559-65 is not ...
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23 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
69 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
25 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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2answers
303 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
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
218 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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1answer
49 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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538 views

Can I ground an amplifier on a bolt that touches the chassis or does my ground need to touch the chassis?

I currently have my amplifier grounded like this but I need to turn up the gain to the max to hear my subwoofer. Is this a good ground or does the ground connector ring actually need to touch the ...
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1answer
55 views

What extra wiring connectors are in the back? 2006 Highlander Hybrid

Today I installed a towing cable harness in my 2006 Toyota Highlander Hybrid and I had a bit of difficulty at first because the correct connector was somewhat hidden (wrapped up in protective material)...
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1answer
156 views

What wires to use in wiring loom for 1986 CG125

I have an old 1986 CG125 6V motorcycle that needs patches/extensions to the current wiring loom. What gauge wires do I need to use (amps and thickness)? I have the Haynes Manual but cannot find the ...
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4k views

Car speakers making humming/crackling noise after installing aftermarket stereo

So over a year now i had installed an aftermarket stereo which worked perfectly fine for a couple months after installing it properly making it a molex connector as a new harness. Fast forward, the ...
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1answer
142 views

Wiring a switch in horn line for on/off operation

I have an '06 Ford Escape with a faulty door jamb (somewhere out of 4) that causes the alarm to go off at inopportune times, especially in the summer. I've learned it's an expensive and time ...
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1answer
23 views

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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1answer
18 views

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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16 views

Trying to find out if my BBR tuner is burnt out or is it my magneto

I was riding my bike in my ground wire fell on my exhaust and burn is that enough to short out my BBR2 cdi or magneto should I check my wiring.I don’t have a volt meter handy ...
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1answer
27 views

2007 Mercury Montego Premier Various Electrical Issues [closed]

Recently purchased an 07 Mercury Montego Premier for a secondary vehicle/work vehicle. Engine seems to be great, but there are various minor issues that just annoy me. Driver's side window works, ...
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68 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
30 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
43 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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37 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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22 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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24 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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20 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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20 views

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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25 views

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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31 views

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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72 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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2answers
69 views

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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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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187 views

Can I bypass solenoid clutch switch by grounding the pin directly with a wire to the chassis/frame?

My solenoid switch has 4 pin for an Honda motorbike. One of the primary pin to be energized for the solenoid to click is the clutch switch. My question is: can I connect the pin with a wire that i'm ...
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612 views

Need service manual for Mahindra Scorpio CRDe 2006 model

I am trying to diagnose a problem with the ECU of my Mahindra Scorpio, I am looking for Fuses and Relays where it's being located, Specifically looking for schematics and wiring diagram of my car.. ...
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22 views

Yamaha fz700 brake and headlights problem [duplicate]

Recently bought a Yamaha fz700 bike. Headlights don't work whatsoever, checked fuses, bulbs, and I found that wires aren't getting any power. Flipping the Hi/Lo beam switch doesn't change anything ...
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1answer
353 views

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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1answer
1k views

How much does it cost to fix headlights and window up/down button? [closed]

I drive a 1990 Oldsmobile regency My headlights no longer work all of a sudden. My brights still work fine. Why did this happen? Also, the window up/down button on the passenger side no longer works ...

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