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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17 views

Volkswagen Polo 2009 bluetooth problem

I have a Volkswagen Polo from 2009 with some electronics I think are upgraded through the time. The display which shows the media radio and stuff also shows an option for phone, phone messages, and ...
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35 views

Do I need a battery maintainer, a portable jumpstarter, or a completely new 12V battery?

Hybrid vehicle has not been used for several months due to COVID-19 pandemic. Vehicle has a 3 year old 12V AGM battery. Battery is not used as a true "starter" battery; it just boots the ...
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28 views

Climate Control Module Temp Numbers Jump Around

I have a 2003 Hummer H2 and if I wanted to change the temperature in my vehicle, I would do so by turning the knobs on the vehicle's climate control module. One of which is for the driver side while ...
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34 views

How does engine braking mapping work?

Some recent cars and a lot of bikes can change engine mapping and change engine braking electronically. For instance, my bike is not an automatic bike, so it has mechanical gears and I am able to ...
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1answer
32 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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38 views

Intermittent Electrical Issues Jeep Wrangler 1998

I just bought a 1998 Jeep Wrangler today. When I took it for a test drive yesterday, everything seemed to work fine, but when I was driving it home today some electrical issues came up. The first ...
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46 views

Alternator whine fix for aftermarket stereo

I bought a Dual MPR420 as a cheap replacement for my 22 year old Toyota Camry that I keep around as a utility car. I used the right Metra harness, spliced using heat shrink butt connectors and ...
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1answer
33 views

Motorcycle USB Port on Accessory Switch while connected directly to battery?

I have a TW200, and I am wiring a usb port with a voltage read out. The only way to get a accurate reading of voltage is to connect to the battery directly. Testing with the low beam wire that comes ...
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59 views

How is alternator directly connected to vehicle electronics?

I've tried a lot of research but I can't find specifically what I'm looking for no one has actually mentioned this and I've looked at various wiring diagrams which still don't prove how this is ...
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1answer
31 views

How could a battery issue lead failures in ABS, Cruise control, stop-start, etc?

We have a 2014 VW Golf (diesel automatic) and recently we have started getting sporadic "christmas tree" errors when starting it. A few seconds after starting the engine, we get error after error ...
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30 views

2012 nissan murano interior light won't go off

2012 nissan murano interior light doesn't go off after door is closed. It does go off after 15 min. as it says in the manual.
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29 views

What are my options to add Bluetooth connectivity to a 2007 Honda Civic FD4 (without FM Tx)?

2007 Honda Civic FD4 didn't come with Bluetooth support. I am aware of adding the Bluetooth connectivity through an FM transmitter to use the car audio setup, but I'm looking for a better way with ...
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42 views

powered window and back windscreen wiper anomaly

At first i thought it was random, then i realised that there is clearly a pattern: I start the car then i check and both the wiper and the window works as expected. 20-30-40 minutes down the road i ...
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28 views

Why there is ticking noise and turn indicator lights blinking in car while driving even if I'm not touching the lever?

I own a Tata motors Indica DLS V2. I've noticed that there is ticking noise (similar to the one produced during turn signal) and turn indicator lights blink while driving, even if I'm not even ...
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332 views

Electrical isues on j10 nissan qashqai

I have a problem with my Nissan Qashqai, its a late 2010 so its a facelift model. The lights flicker when I am driving, when im parked, basically all the time, my windows roll down slowly, some ...
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44 views

How do I disconnect these plugs/connectors?

It's from a light indicator for my toyota security system.
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2answers
79 views

Should ground wires be fused?

I'm installing a ham radio transceiver into my car, which draws up to 25 amps and can't be used with the 12V socket. Instead, I'm following this and this and similar guides, which recommend running a ...
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33 views

Car engine got wet through low water pass - any potential unseen damage?

Last night it was raining hard. There was a bridge that was flooded but I couldn't tell because the ruler marker sign was knocked down. As I approached it the car got deeper and deeper into water. ...
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53 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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334 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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45 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
59 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
35 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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355 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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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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15 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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0answers
295 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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65 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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879 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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19 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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2answers
74 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
100 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
52 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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79 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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41 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
85 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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18 views

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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84 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
91 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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5answers
22k 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
208 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
271 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
140 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
94 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
58 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
626 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
57 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
35 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
83 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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150 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 ...