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Questions tagged [electrical]

Concerning the main electrical system of a motor vehicle or internal combustion engine. Consider using [tag:electronics] for radios and other such systems. Use [tag:electric-vehicle] for questions about electrical powered vehicles and their unique systems.

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'91 Toyota Celica GTR (ST183) charging diagnosis

I've been working on getting a Celica up and running after a couple years of laying mostly idle, it's been dry-stored for most of it. The biggest issue I have right now is that the system is not ...
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1answer
23 views

Wiring for radio issues?

I have a 04 jeep grand cherokee special edition and the factory harness was cut out so I figured whatever I'll just hard wire it. Found all the speaker wire colors matches them up but the battery ...
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1answer
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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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1answer
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Van won't start and no lights come on; battery good

I have a 1992 GMC Vandura 2500 5.7L. A few weeks ago, I tried to start it. All lights and radio came on but it wouldn't start. I tried again a week after that to show my dad but it still wouldn't ...
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Honda Civic 2005 1.7cc

I welded the roll bar with the battery connected and the car won't start now. It turns over but will not start now.
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0answers
23 views

No resistance measured between two electrical parts, ECU fault?

I'm troubleshooting a car with a faulty Camshaft Sensor error. I used the factory test plan to test the wiring between the sensor & ECU. Here is the wiring: ECU Pin87 -> Wireloom Pin 87 -> ...
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1answer
30 views

Starter won't turn even with jump cables

I've got an old Opel (Vauxhall) Vectra 96 that hasn't been used for a long time. This spring I tested it and the motor started fine, though I had to use jump cables because the battery is completely ...
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Battery Alternator and Starter Fine but have to jump start car

I have a 2012 Buick Lacrosse A few days ago it wouldn't start and appeared to be the battery or related issue. I just started it, ran it for a while, then turned it off and restarted it just fine. ...
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2answers
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How to repair a broken rear window defroster grid?

I have 2012 Volvo S40. At some point, something has scrapped against the window and broken a few of the grid lines. The result is that part of the defroster grid does not work. Most of the window does ...
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2answers
49 views

Fog lights won't turn off

I came back from vacation (20 days) and my 2006 XC90 wouldn't start. The key fob wouldn't unlock which was the first indication and then I just had absolutely no lights so I assumed it was a full ...
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1answer
13 views

03 kia spectra runs on fresh battery

Car will fire up on good battery but after bout ten minutes lights go out acts hit nrake or anything and it dies hearing a buzzing from sensor or throttle body told needs alternator belt but seems ...
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1answer
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2008 Toyota Corolla doesn't start when key moved forward to “start” position

When I went to leave work tonight, the car wouldn't start. I've tried two known good keys, and cleaning the battery posts and cables where they connect to the posts. There has been no indication the ...
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Dash board and radio screen flashing

I have a 2004 Saturn stick shift. When I go to put on the e-brake, my dash and my radio screen start blinking really fast. If I put on my right blinker, it doesn't blink but if i put on my left one it ...
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2016 Subaru Forester electrical problems

I want to get an advice on what would be the right approach to deal with our leased car, Subaru Forrester 2016. Our lease contract is for three years. We have another year until the end of the lease. ...
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2004 Honda Pilot sometimes only starts when hood latch released

My 2004 Honda Pilot occasionally will only start when the hood latch is released. When this occurs, the car is completely dead, and no electrical system works, including keyless entry, lights, etc. ...
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Nissan Rogue 2010 no reverse after replacing valve body

Vehicle moves forward Vehicle does not go backwards. Vehicle throws codes related to accelerator pedal position sensor. I didn't work on that so I am stupified. I have checked the service manual ...
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2002 accord with power and electrical problems

my dash lights all dim considerably when i do something else that requires power, like using the power windows button. If I turn on the ac, the car sounds like it's working overtime to keep it running....
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Why would this happen:

If anybody could help me understand this behavior, I'd be grateful: 2003 R1 5PW, Fuel-injected, has an alarm/immobilizer fitted, doesn't report any fault codes: Motorcycle would occasionally (three ...
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Audio install in 2008 Corolla has affected gear shift light and headlights?

I recently had the radio replaced with smart audio in our 2008 Toyota Corolla. Although the new audio is great, mysteries have arisen which the Best Buy mechanic will try to solve at a later date. ...
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1answer
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1986 Nissan D21 Connector Part

What is this? As a hint, I'm losing about 2 volts between the alternator and the positive terminal of the battery here. It appears to be the last connection on the way back to the battery, just after ...
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0answers
7 views

95 Aerostar Dash lights

thank you all for your efforts to help each other. My '95 Aerostar's dash lights, A/C and radio turn off when I brake. Anyone have an idea what the issue is?
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1answer
20 views

2002 Honda CB250 wont turn over after new battery

I recently bought a Honda CB250, and did the 30 minute ride home fine. Then a couple of days later I took it out again and pulled over after about 10 minutes of riding and turned it off. After that I ...
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2004 Pontiac sunfire

Please explain what could have happen... I drove to the store fine but when I came out started my car it wouldn't go into drive. I could reverse only but seeing I was over two miles from home that ...
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2answers
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How to service a vehicles electrical system?

While I have a good knowledge on general service procedures for a vehicles engine, suspension, exhaust and other usual systems, I'm unsure of how to keep a vehicles electrical system in top-notch. My ...
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Truck won’t start has no power to the dash or anything

I have an 04 Chevy Silverado with the 4.8L enigine and a manual transmission and I am having electrical problems with the vehicle. One day I was coming to work and my clutch started going out I ...
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Holden Rodeo Headlights Randomly Stop Working and Come Good

My 2000 Holden Rodeo has started having issues with its headlights. Randomly the headlight will go out while driving or won't start when I turn them on. Have tried... shaking indicator stalk rapidly ...
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1answer
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Honda Accord 2008 Overheating at cold start

I've been having quite a problem with my car. At cold start the temperature goes straight to hot, A/C stops working, car smokes black and this happens at any giving time. I changed the temperature ...
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1answer
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Radio malfunction

I have a 2012 Dodge caliber and my radio plays music, then suddenly stops for a couple seconds, and then plays music again. It continually does this as long as the radio is on and playing some type ...
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1answer
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What is the name of the following electrical symbol?

What is the name of the following symbol (in red) : This is from the front wiper motor schematic of a Toyota Corolla car. First time I have seen this. I searched a little bit on various websites but ...
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1answer
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Sylvania 9005 HB3 12V 60W, I want to know the 60W is for 1 pair or just only 1 bulb?

I plan to buy a new LED headlight for my car. My car original High Beam bulb is Sylvania 9005 HB3 12V 60W ,but I confuse that the 60W is for per bulb or 1 pair? If 1 pair it's mean that 1 bulb is 30W?...
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1answer
57 views

Clicking noise in my car when I accelerate over 20ks

I have a 1998 Mazda Sentia. Everytime I accelerate over 20ks a clicking kind of sound happens inside the car (Sounds like continuous unlocking and locking of the doors). You can hear it more in the ...
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28 views

Blower motor not working

I have a 2004 VW Beetle. I changed the HVAC unit and put Freon back in, but the fan will not work. All fuses are good -- what could it be? When I put power to blower, it works.
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3answers
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Car won't start, horn won't honk, headlights won't come on, what could cause this?

Vehicle: 2005 Honda Accord LX 2.4L FI DOHC 4cyl Symptoms Car wouldn't start today. In the past had occasionally had it hiccup before starting but that was the only indicator of problems. No ...
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0answers
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My 2013 Accord has no power and I cannot figure out why

Last night my car had no power when I got in. No interior lights, headlights, power locks, nothing. Had a friend try to jump it and there still was no sign of electricity anywhere. Today I took a ...
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Headlight will not dim on a 2002 Chevrolet Silverado

I have a 2002 Chevrolet Silverado 1500. The headlights will not dim. Replaced the multifunction switch. Still not working. The book said there was a high beam relay. But I cannot locate one. There is ...
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1992 Boston whaler Rage

Looking for repair manual for 1992 Boston Whaler rage electricle I believe is the problem It had sat for two years , Started right up and was just kind of bogging so I went and got new fuel then ...
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2002 Subaru Impreza WRX alternator/charging issues

I have 2002 Subaru Impreza WRX. The alternator went, so I replaced it. The voltage gauge was jumping up and down when fans kicked on and when I turned on accessories. I figured the alternator was ...
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tachometer problem

The tachometer on my Opel vita gets crazy and starts to bounce after engine moves for a few minutes, then I lose throttle power-cant accelerate and engine stop. the vehicle then starts and stops a few ...
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2answers
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How do I know when a VARTA car battery is produced?

I have a hard time finding when my car battery was produced - can't find any defintive information. The battery is VARTA H3 Silver Dynamic 100Ah with the following embossed letters in the upper right ...
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Wiring diagram for negative battery terminal 2001 mercury sable ls

Changing freeze plugs inside bell housing side of motor had a "helper" who startted unplugging everything and couldnt remeber where the negative battery wires ran to any help
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1answer
28 views

Is it possible to connect multifunction steering wheel to an old car?

For example I would like to replace standard steering wheel in 2002 Fiat Punto 2 with multifunction wheel from Grande Punto or other and be able to control radio
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2answers
218 views

How to cheaply locate break in wiring?

I recently bought a 06 Chevy Impala. The radio unit does not turn on (no lights, no sound, no response). There is no voltage at the harness. But there IS voltage at the fuse. So the break must be ...
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citroen C2 2006 remote door locking reciever

can anyone tell me the location of key fob reciever, Haynes manual just says its at the front of car Or is it incorperated within the BSI unit. and are there any known relays connected to the remote ...
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1answer
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Where I do find a 12v accessory power in a 2008 Pontiac G5?

I'm trying to install a cruise control in my 2008 Pontiac G5. It's made by Rostra. It needs 12v accessory power. I think I need to go to the fuse box, but does anyone have any idea which wire to tap ...
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2answers
44 views

What is wrong with my 1997 Honda CBR 600 F3? No signs of life

So obviously in the title I have a 1997 Honda CBR 600 F3. As of right now it is showing no signs of life. I just replaced the battery and tested it right before I wrote this. It reads 12.75 volts. ...
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1answer
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Meaning of green ground symbols in Body and Equipment Mounting Manual ground point documentation

The Ford Transit Body and Equipment Mounting Manual documents ground points in a set of diagrams and tables starting in section 4.20.1 on page 211. While most of the ground points illustrated in the ...
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1answer
46 views

2006 Buick Rendezvous 3.5 will not rev over 3500 rpm in park or driving with pedal to the metal. Any ideas?

3.5 will not rev over 3500 rpm. PO 449 is the only code stored. It will not rev over 3500 cold or hot. After driving 10-15 minutes seems like the transmission is searching for a gear, just ...
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2answers
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Electric stand up scooter repair of foam filled solid tire

Vehicle: eco reco L5+ stand up electric scooter, max spd 20mph https://ecorecoscooter.com/product/l5/ Tire picked up a 3/4" long sheet metal screw. Now as the picture shows, there's a solid foam-...
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When should a 4 pin starter solenoid relay switch click?

When should a 4 pin starter solenoid relay switch with 4 pin (clutch switch, reg/rec, ignition key, start button) click? Should it click after turning on the keys, or after turning on the keys and ...
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1answer
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Fuel gauge not working on 50cc moped

I recently bought a second hand 50cc moped, and the fuel gauge always reads empty. I assumed that it was the float sensor that was at fault, so I bought a new one. I connected the new sensor but the ...