Questions tagged [electronics]

Electrical components that monitor or control the engine and other vehicle systems, or that provide entertainment, information, or network access. Engine Control Units (ECUs), their sensors, radios, navigation systems, and rain sensors are examples of *electronic* components. Compare with *electrical* components which distribute, switch, and consume electricity as a source of power – such as the battery, alternator, fuses, lights, starter, and sparkplugs.

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49 views

What is this 5-pronged electrical outlet attached to the alternator used for?

I have the below hookup right next to the engine (CAT 3116) and I'm not sure what it is for. I tried googling this, but didn't find a hookup that was similar. The approximate circumference of the red ...
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26 views

Ford Transit - ABS Pump no power

I have a 2.2 FWD Ford Transit from 2009. My ABS/ESP and the red brake warning is on as well. When reading the error codes I normally don't get any ABS related codes. But when erasing the error codes,...
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1answer
37 views

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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1answer
56 views

Unidentified component on carburetor

A couple of days ago I went over to a friend who owns an older KTM motorcycle and as I was having a look on his motor I noticed a component on his carburetor which looked like something electronic but ...
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1answer
20 views

No electrical power triumph street tripler

the battery on my bike was dying, I needed to jump start it to get it running, however this time (it's never done this before) the battery started smoking, so I took it off straight away and brought a ...
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1answer
36 views

Cannot operate car audio system, Only works in reverse gear

From few days in my Honda Fit GP5 2014, the car audio system (pioneer AVH-265BT) can only operate on the reverse gear. If I'm not on the reverse gear setup is fully locked and I can't control anything....
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8 views

Nissan Primera P11-144: electro «control box»?

On my car, Nissan Primera P11-144, there is a couple of electrical malfunctions on secondary systems, namely on climate control and ceiling lighting: CC blows only hot air regardless of set ...
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6 views

S550 Mustangs - route wire from fuse panel to center console?

Are there any tip and tricks to routing wire from the passenger footwell fuse panel and into the center console? I'm looking to add an accessory that would require a power cord to pop out right below ...
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24 views

Will a magnet mount affect the performance of a radar detector?

I am in the market for a Uniden R3 radar detector but I'm not really enthused by most of the mirror mounts out there. It distracts from my line of sight to have something up on my mirror like that so ...
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1answer
32 views

Honda Civic 2000, Engine Control Unit replacement

I need to replace the engine control unit, ECU, of my Honda Civic 2000, my car doesn't have an immobilizer, it starts with a basic metal key, so, do I need to program the used ECU replacement?
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3answers
36 views

Red and yellow wires to aftermarket stereo system have no power

I have a 2001 Chevy Silverado diesel 2500 4x4. I took my old stereo out which had power to it, and I installed my new stereo. Now the red and yellow wires have no power! (They did before.) I ...
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10 views

RX 300 (2001) doors lock/unlock problem

I have Lexus RX 300 (2001). 3 doors starts not responding to lock/unlock in most cases. But sometimes works. Only one rear and trunk doors works correctly. Also works correctly manually with keys....
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1answer
30 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. ...
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1answer
30 views

Audi A7 - 2016 model without parking assist: is the installation of the module “plug & play”?

I have the intention of buying a used Audi A7 Sportback from 2016, without the "parking assist" option. Since i'm a newbie to this kind of stuff, i was wondering if it's something i can install myself ...
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1answer
26 views

Backup lights, monitor and alarm sometimes don't work when backing up

When I switch the stick to R on my automatic gear, the backup lights, monitor and alarm sometimes don't work, sometimes do. It feels as if it's random when there's current in the wires. When they ...
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27 views

How do you quiz the electronics of a Mercedes?

I am planning to inspect a 2012 Mercedes S550 for possible purchase. How do I interrogate the electronic system of the car to get information about things that currently may not be working, or about ...
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36 views

2005 ford f150 5.4 triton

I have acquired through an auction a 2005 f150 FX4 with a triton 5.4 engine. It has sat indoors idle for about nine(9) years. Cab corners are the only body issue. Battery has gone dead at some unknown ...
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2answers
36 views

Can't find fuse for radio

Honda Accord 2012 has 3 fuse panels and no fuses labeled radio. I have checked several labeled accessories and can't find blown fuse. Can you icentify correct fuse for radio?
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Electronics Flicking on and off

so last week I pulled the rocker cover off my Celica 7th gen to get at the broken lift bolts (typical), also cleaned MAF sensor and throttle body while I was at it. After putting everything back ...
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33 views

Is there a way to transmit a CAN bus signal over a high current DC line?

I would like to use a high current cable with batt + and chassis ground from the vehicle to the trailer, and also use the same cable to transmit a CAN bus signal to the trailer. Is there a way to get ...
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1answer
28 views

91 Buick Regal radio/amp replacement

I have a 91 Buick Regal sedan that some part of the car stereo has died on. It turns on but I cannot get any audio out of it. It seems that the radio and amp are contained in one unit under the glove ...
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6k views

cigarette lighter is always on

In my 2006 ford ka the cigarette lighter socket is always on, which means that when I turn off the engine I have to unplug the USB thingy I've got in there. It's a bit annoying and I'm constantly ...
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2answers
61 views

How can I swap wires/pins on generic aftermarket O2 sensors?

I purchased some generic aftermarket O2 sensors for my 2002 Land Rover Discovery 2, which were significantly cheaper than the "official" Land Rover replacement parts. Unfortunately after installation,...
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2answers
87 views

Boat Alternator Charging 4 Batteries 70 Amp Draw 50 Amp Charge

This is the current situation, looking for some expert advice. Total amp draws with night time running lights + GPS + other accessories I am at about 70 amps. My alternator puts out max 50 AMPS ...
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1answer
66 views

Damaged pads on PCB after trying to replace LEDs. How to repair?

I'm replacing the SMD LEDs on my instrument gauge cluster in my truck with a new color LED. While attempting to remove one of the original LEDs, the solder pads came off from both the positive and ...
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1answer
31 views

Will a loose positive terminal cause damage to a car?

As I was driving my car on the usual daily commute, I noticed the dashboard started dimming as my blinkers were blinking. Scared as to what could've caused this, I stopped and opened the hood where I ...
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1answer
41 views

Passenger front blinker, rear blinker & brake, and middle brake lights all out

I've got a 2008 Chevrolet Cobalt. The passenger front blinker, passenger rear blinker & brake light, and the middle brake light are all out. The hazard lights also do not work on the passenger ...
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1answer
253 views

Peugeot 307 multiple error codes, same cause?

My sister was driving her driving her Peugeot 307 XS 1.6 2006 the other day, and out of nowhere all these error messages start popping up on her screen. It started with "Battery charge or electrical ...
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2answers
46 views

Installing electronics next to SRS Airbag controller in car

I have bought an add-on for my car stereo (GROM USB3) which adds USB and Bluetooth capability for playing music and answering calls. This module is contained in a little box with 4 ports, and connects ...
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0answers
33 views

Missed a connector in my AC system?

I just changed the heater core in my 1999 Subaru Legacy Outback. I had to take the dash out, and disconnect many connectors. After putting it all back together, my heat now works (yay!), but my AC ...
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0answers
58 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,...
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118 views

Dashboard lights blinking wildly

Here's a video of my Subaru Forester dashboard. Temperature, cruise, skid control, maintenance lights are on randomly and blinking. I'm guessing all of these problems are related. What could be the ...
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1answer
131 views

Keyless car won't shut down

My car , a keyless car Peugeot 4008, won't start or shut down. The first time , when I pressed start, the screen light up then the swippers and lights turned on and won't stop and everything stopped ...
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1answer
47 views

Electronics only work occasionally

I recently got a 2000 Mercury Villager Estate. Most of it runs fine - AC, interior lights, headlights, etc. Some of the electronics -- radio, windshield wipers, some of the power windows (I don't ...
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1answer
32 views

Is it possible to add keypad entry in vehicles that were not designed to have it

I have a very old car - a 1993 - and the power locks simply by putting the actuators in a series circuit that is energized by routing through the switches. Is there any way to add a keypad entry (...
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0answers
339 views

2006 Honda Civic door locks won't work when key is off

We have a 2006 Honda Civic which has recently begun having an issue with the door locks. The power door locks will only work when the key is in the ON (II) position. If it's not in that position, then ...
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1answer
390 views

2013 BMW electronic oil level check fails to complete

My wife's car is a 2013 BMW 335i with M-Sport package. The engine has no dipstick so the only way to check the oil level is using the menu-driven display. However, this never completes. ...
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1answer
4k views

How to set the clock in a Honda City 2018

I've done it once before (last daylight saving change) but even with the owner's manual I can't work out how to set the clock. I've tried with both the car on and just in accessory position but ...
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0answers
32 views

Which Directed Electronics Module is This?

Isn’t water a wonderful thing? My '76 Corvette had a water leak in the windshield and the rain obliterated a module that was installed under the dash. I bought and installed it around 2012 or 2013. ...
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0answers
31 views

2000 Jeep Grand Cherokee Console not working

I am an owner of a 2000 Jeep Grand Cherokee. The roof console (the display attached to the center of the roof that normally displays compass direction and such) does not display anything. No idea what ...
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2answers
3k 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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5answers
1k views

Simplest installation of car-powered car-pc

Am posting here as this question seems to be considered off-topic on both the electronics and the Raspberry sister sites. Would like to install a carputer (Raspberry Pi), and am wondering about the ...
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2answers
2k views

Are mechanical relays still used for turn signal circuits? If not, where does the clicking noise come from?

I noticed that when I activate the turn signal of my 2017 Jeep (full of computerized electronics), the flasher makes a very mechanical sound, just like cars have done for I-don't-know-how-many decades....
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1answer
20 views

2010 Focus OEM satellite radio

I have a 2010 Ford Focus S. I noticed a Sirius radio button and phone button. The Sirius button will trigger a “no satellite radio” message, and the phone button triggers “no phone”. After looking ...
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2answers
10k views

Does disconnecting the battery have negative side effects?

A recent answer at a sister site suggested disconnecting the battery routinely. I often disconnect my battery before embarking on a hike. Especially if I am in a remote location. This is a nice way ...
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0answers
63 views

Battery gets discharged…sometimes!

This is one of those intermittent issues driving mad any car driver: What I have: New battery, new alternator brushes, new current regulator, new belt. Polished brushes tracks. All properly ...
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3answers
492 views

Unable to locate the power wire for dome light

I own an old Maruti Suzuki WagonR (2009) which is not having a dome light in passenger area. I want to install a LED light there but can't locate the power cable coming from battery. Since the car is ...
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1answer
13k views

Why do we use a relay and switch to control on/off of horn circuit instead of using a simple swtich?

I know that a horn requires a larger amount of amperes to operate than many other electrical systems. I am reading a book and I stepped into this situation: ..shows a relay application in a horn ...
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1answer
41 views

Modifying Pioneer Radio

I would like to add iPhone integration to an old Honda Accord. Pioneer makes a nice line of radios that integrate well with iPhones. The feature that stands out to me the most is the ability to launch ...
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0answers
521 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.. ...