Questions tagged [electrical]
Concerning the main electrical system of a motor vehicle or internal combustion engine. Consider using the [electronics] tag for radios and other such systems. Use the [electric-vehicle] tag for questions about electrical powered vehicles and their unique systems.
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1948 Ford Farm Tractor
A friend of mine asked me to look at this tractor because it would not start. My background is in auto repair. The engine turned over but no spark. The points would not open because the rubbing block ...
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Can I reconnect a battery to pull up windows while alternator is out?
I am in the process of changing out the alternator. The old one is out, the new one is not in yet. I won't be able to get to it until tomorrow and I forgot to pull up the windows. Because the negative ...
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Differences between drive by wire and drive by cable
What are the main differences, advantages, and disadvantages of using a drive-by-wire versus drive-by-cable system?
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Citreon C4 Grand Picasso HVAC inoperative
I havent driven my C4 since before Christmas but ive been starting it regularly and keeping it snow free. Just started it again but the air con and demister isn't working. Could it be frozen?
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Motorcycle Electrical issues
I have a 2013 Ducati Monster 696cc that wont start, when I turn the key to the leftmost position the dash does not light up. None of the lights turn on except for one out of four LEDs that are mounted ...
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My Honda Odessey loses power all of sudden while driving
My 2016 Honda Odyssey loses power all of a sudden while driving. Everything loses power. Radio gone, speedometer stuck at 38mph, frozen, same with tachometer. I could not open a door or a window. I ...
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EFI fuse blows randomly.
I am beating my head in with this issue. EFI fuse blows randomly, I have found no patter. When it blow, it will keep blowing them and not start. I have to disconnect the battery first and then replace ...
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2009 Suzuki LS650 Battery Problem/Question
I bought a new battery that had the same amp and voltage as my current battery that I was going to replace. I double checked via the website, and they confirmed it would fit my motorcycle. (Moto ...
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2005 Honda Civic - Interior electronics shut off intermittently while driving
My fiance's 2005 honda civic has had the interior electronics shut off while she was driving on a couple of occasions (weeks/months apart). I have not been able to reproduce this or been around to ...
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Ignition Switch Issues
I have a 1999 Daewoo Lanos Auto
For some reason my ABS, brake and engine warning lights have come on permanently When this happened the wipers, windows and heater all stopped working, I had to call ...
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Will this method work to recharge deeply discharged batteries?
I have a deeply discharged battery(showing 0.49 volts or so) and the parts store have told me it is not charging after 3 hours so it’s not rechargeable.
In this answer the comments somebody mentions ...
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Blinker/Marker light issue
Just recently got this issue while replacing the headlight housings on my 03’ Chevy S10.
After I replaced them i noticed the right side blinker/marker light bulb had gone out, so i went to O’Reillys ...
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Electrical issues with Mazda3 '07
Recently I started experiencing some weird electrical issues with my car:
FM stations settings get lost
My remote key gets unpaired
The engine often shuts down at intersections (when stopping) as if ...
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Loss of power to the sound system. Can it be the ground?
I have a 2008 volkswagon rabbit. The sound system has stopped working completely. I've checked the fuses and none of them are blown. It is a stock 2008 vw rabbit 4 door which came with the ...
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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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Battery Draw while car is off at 3.24
I have a 2007 Saab 95 wagon... For about 6 months at random about once a month my car has been dead. After calling AAA and they told me there is a draw from the battery at apx 3.24 which is should be ...
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COP +12V short to ground?
I have here a 03 Durango 4.7L V8 with a COP ignition system. Each coil pack has 2 wires which according to FSM one wire feeds all injectors and coil packs from a relay and one is a "signal" from the "...
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Cool Ventilated and heated seats, can both options be used at once?
In our S 350, both can be turned 'on' at the same time in the front and rear seats. Now is it that going to mess up the fan motor?
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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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Hi i have vw polo classic 1.4 2006 when its hot it doesn't wanna start and cuts power while driving
Help Hi i have vw polo classic 1.4 2006 when its hot it doesn't wanna start and cuts power while driving I changed coil pack and petrol pump and put a new gasket but still continues
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Will a 12v alternator/generator connected in parallel to the vehicle alternator cause damage long term?
I am a computer systems administrator and I've don't basic work on my car but haven't done anything significant with car electrical.
I have an overland/adventure truck I'm building with a battery bank ...
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Current draw on an ODB port if left in with engine off and key out
I have a USB socket off my ODB port (I know!). it powers my satnav but my question is this: If I turn off my satnav but leave it plugged in to the USB is there any current draw?
Thanks to any wizard ...
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Weak spark with OK coil resistances
I am having an odd behavior with a two cylinder honda gx620 engine. There is no spark on both plugs. While not really an uncommon occurrence all my usual checks have yielded no result. I did the ...
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Battery drains and GM 2000 Grand AM dies while driving
Heyo everybody, thank you for any expert opinions I may find.
My Grand AM can hold power and will drive. However, while driving my battery light is on, and the car will eventually run out of power. ...
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Pontiac Grand Prix won't start, horn would honk, electrical system goes crazy
Some facts:
My dad has an aftermarket Remote Keyless Entry
Not aware of any aftermarket theft system, does not use keyless start
He's used 410 watt power inverters through the cigarette lighter but ...
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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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Sill Protector Illuminated verify lights off
I just got Illuminated Sill Protector Installed in My Car - Mahindra XUV 3OO. I cannot verify with certainty but I feel that the Sill Protector lights remain ON even when the door is closed.
Is this ...
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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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New Spark plugs and Immediate Body Control Module Failure. Coincidence?
I took in my 2013 Fiat 500 Pop for new spark plugs and rear brakes. My next errand after the repair was the post office -- after a 30 minute wait, I came out to see my headlights were still on. ...
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Classic 350 Engine turns off while turning the handle bar to the left
Hi I have recently started to face this issue on classic 350. When I turn the Handlebar to the left all the lights are on but the engine turns off. What could be the possible reasons could anyone help ...
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Where can I find information about car PIDs?
i'm doing a research and i can't find voltage information from the car sensors, where do you find such information?
finding the voltage range would help a lot.
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toyota fortuner
i would like to ask about my toyota fortuner 2009 i checked the obd port and all wirings i also tried a new ecm but it still does not communicate with my scanner i tried different scanners but still ...
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Captiva problem
My Captiva Diesel 2007 has a problem going on a distant journey. During short or town drives, it is fine.
When it turns to be a long journey, the car turns off after a while.
My mechanic tried a ...
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2000 jeep grand Cherokee blinkers and flashers not working
I have recently purchased a 2000 Jeep grand Cherokee Limited. The blinkers were not working when I bought it was told it was probably just a relay. I have replaced the relay check the fuse check and ...
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3rd brake light flashing on Mercedes C-class
when appling the brakes my 3rd brake light flashes like a strobe light,can hook it to my standard brake light and it works But,looking for what voltage a 3rd led brakelight uses on a mercedes c220 cdi ...
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Engine stops in a second after starting, battery indicator light turns on, dashboard gauges drop to zero; works normally at the second start
The vehicle is 2006 Peugeot Partner Combi Van 1.9D. This problem has been occurring intermittently for a year. The last time was at the end of September; it occurred once a month mostly, more than ...
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2004 Honda Civic EX coupe: What would cause positive voltage on the ground strap to be present?
I left work, about 2 miles of city traffic then onto the freeway. While on thr freeway, only a few minutes, I noticed thr check engine light was blinking (which I know isn't good and i should stop). ...
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tried to jump infinity qx56 now none of dashlights work
a couple days ago I had to use my jumpbox to start my infinity qx56 4wd, then it kept getting worse where I had to jump it everytime I turned it off , and my jumpbox wasn't enouph so I hooked up my ...
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Jeep Cherokee Electrical
I have a 1991 Jeep Cherokee Laredo 4x4. When im driving all my electrical stuff turns off but turn on right away but the engine keeps running. This only happens when im driving through rough terrain, ...
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Low Beams Don't Turn on. Is My Relay the Issue?
I have a 2003 Toyota Camry, and the low beams do not work. However, the high beams do work. This is my diagnosis.
I changed the low beam bulbs, and the low beams still don't work.
I checked the 15A ...
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What might be causing both downstream O2 sensors on my car to not show any activity?
I just bought a 2004 BMW 325ci as a project and have been trying to fix it up. Scanned it and got a couple of codes which I thought were because of a vacuum leak so I smoke tested it and turned out ...
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Why doesn't my chopper have electrical power?
I have a Custom Chopper with a 1992 1340evo, my voltage regulator rectifier came unplugged from the starter. I plugged it back in and it started and ran. The next day, I started the bike and it ran ...
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2003 GMC Envoy: Bad circuit board?
I had a new alternator put in my son's 2003 GMC Envoy, and immediately after the climate display graphics aren't working. The dealership said it was a bad circuit board now. Could it be something to ...
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Odd solenoid control problem with my 05 Sebring
I have had a problem that had stumped me consistently. I have a 2005 sebring that has been intermittently going into limp mode. I checked the code and it told me the tranny control module power relay ...
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Total Electrical failure Mondeo 1.8tdci 2008
While charging a flat battery all on the Mondeo all of the electrics failed (lights, dash, not starting, Windows, ect) when I installed a new battery on the Mondeo still nothing. Any ideas on what ...
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Mercedes A35 AMG 2022, short circuit/won't start/no comms with any vehicle modules
I need some help or direction. I recently purchased a salvage a35 which had undercarriage damage. On inspection it appears the wiring cable underneath the vehicle had been destroyed, chafing the wires ...
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Ford Town and Country 2008 not starting
My car won't start, I checked everything and still won't start. When I checked the fuses . The ignition fuse does not get any power. What else can I do?
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Lexus CT200h "stuck" in neutral after accident
I bought 2018 Lexus CT200h with slightly damaged front and it won't shift into Drive or Parking. After I push Start button it shows me that the car is in Neutral. Trying to put it into Drive or ...
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Toyota Vitz (Yaris) 1999–2005 broken side marker mystery
Today I found my Toyota Vitz 2001 car like this:
The side marker was broken to pieces and I found it on top of the hood.
I initially thought that the connector was missing too (see reference image ...
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2013 Fusion both low beam headlights suddenly stopped working
2013 Fusion both low beam headlights suddenly stopped working. High beams work and side markers work, turn signals ok. Everything else seems to work just fine.
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