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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Using slightly larger wire for repair
I am trying to repair a car wire that goes to an antenna (powering 'comfort access') that seems to have been chewed up by some animal / insect / rodent -- the original wire is a 20/22 gauge wire and ...
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Seat Cordoba 6K2 (2000.) Not work central trunk locking, manual works
I have a problem with central locking trunk on Seat Cordoba 2000. year model with Signo packet of equipment. Manual locking is working.
I have try locking motor connect to 12V source, an it works. ...
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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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Jump-starting a car: connecting black to the engine block
I recently found out that when jumping a car, you should not connect the black connector to the recipient vehicle's battery, but rather to a grounded point on the car. The expressed purpose is to ...
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How do I fix a broken connector inside the transaxle?
Problem
I was trying to replace my shift solenoids, and when I pulled the electrical connector off of one of the solenoids, the plastic tab on the connector broke off. I'm concerned that if I leave ...
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1988 nx Honda 250 No start has fuel, compression, spark
I had to wire the bike up myself bypassed the ignition, lights an all that to get it to spark got a brand new carburetor for it I have half the exhaust off so when its cranking sometimes it will shoot ...
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Engine swapped my KIA but dont get a spark
I engine swapped my KIA optima 2.4L N/A with the 2.0L turbo variant, however when I use the original 2.4L N/A ECU I get spark from the plugs but when I swap the ECU to the 2.0L turbo variant I get no ...
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2017 VWPassat RLINE 1.8T
I basically put some acidic and corrosive fluids inside of my windshield wiper reservoir tank didn’t notice it until a few weeks later and plenty of trips, using my fluid and cleaning my windows that ...
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2009 Jaguar xf 2.7 diesel battery issues
Car wouldnt start this morning and battery reading 11.66 v on the multimeter so time for a change I think.Looked to see the age of the battery and found this inscribed on the top of the battery.......
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Does the kilowatt rating of a starter indicate anything about the torque or quality of the starter?
I have been shopping for a starter for a John Deere Gator. The OEM starter is 0.9KW. There are several aftermarket starters that replace the OEM part number. The advertised kilowatts vary from 1 KW ...
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1980 Oldsmobile 98 electrical system went totally off after attempting to start it
Car has been sitting for 2 years. It had previously ran perfectly. I purchased a new battery. I checked cables and installed battery. Turned the ignition to on without attempting to start it and ...
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2021 Toyota Venza Lighter Fuse Location
I had a radar detector hooked up to cigarette lighter outlet when all of a sudden the outlet lost power. I tested with other 12V cig cables to confirm and it indeed has no power.
As the first step in ...
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2005 Chevrolet Express 3500: Help Identifying this part
I have a 2005 Chevrolet Express 3500 (cut-away converted into a shuttle-bus) which I've stripped bare and slowly doing a mini "schoolie" RV conversion.
While changing the spark plugs today, ...
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2020 chrys Pacifica horn won’t blow; Adaptive Cruise cntrl and More won’t work after minor bump to front left corner of bumper
Had minor bump to the left corner of the front bumper. NOw the horn won’t blow; the ACC Adaptive Cruise Contl; Forward Collision Warning won’t work. Engine runs hot at 240 degrees instead of normal ...
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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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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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Seat ibiza 6K2: How to operate the ventilation without a car radio
I'm facing a challenge with my 2002 Seat Ibiza 6K2. I'd like to remove the factory radio unit entirely, but I'm concerned about how it might affect the ventilation system.
Has anyone successfully ...
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Right turn signals go faster overtime
So, my motorcycle right turn signals go faster overtime (aprox 8s after turning them on). The other side just works without any issues. Both front and rear lights are working. What could it be? Bad ...
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I have a distribution block buried under my center console. Would getting 12v from that line vs directly from the battery present any fire hazard?
My car has an unfortunate lack of always-on 12v power points -- something I'd like to remedy. I want to add a new powerpoint in my center console hooked directly to an always on source, eg: the ...
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Is it harmful to keep 12V accessory on ignition start?
I have an Ecoflow battery to be used in a Volkswagen Caddy and which I'd like to keep connected to the Caddy's 12V accessory port (unless the car is OFF for more 1 or 2 hours). The Caddy has the 12V ...
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2002 Nissan Maxima - transmission shifting & performance issues - P0720 & P1574
I have a 2002 Nissan Maxima which which started exhibiting a number of transmission issues shortly before and during a 2,600 mile road trip across the country, and is still experiencing these problems;...
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2006 Civic ex - Wont Start
I'm new to this site and have tried to find my answers. So this is my story.
I've had my 06 civic for 2 years. The 1st six months of having the car. It didn't turn on while getting out of a graveyard ...
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Why does loading a circuit cause a voltage drop?
So this question relates to cars but applies to all electronic circuits really.
I was watching a car diagnostic video on youtube and in the video he demonstrates the difference between doing voltage ...
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Engine swap & ecu
So I was thinking about putting a vw 2.0t into my 1999 eclipse gs. Would I have to get a standalone ecu or can I wire in the engines ecu in place of the eclipses oem. I'd be able to figure everything ...
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How does a scanner control electrical components?
As I understand it, most electrical circuits in cars have:
a primary side (control) and secondary side (active?), with a relay being the nexus between each side.
signal wires going to the relay are ...
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Door unlocking with signal sent over a phone call
Recently I have heard that somebody locked up keys inside the car while on vacation, so after calling family back home, asking them to use spare keys unlock button close near the phone, so that other ...
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1984 Hilux won't crank
My 30 year old Hilux won't turn over, all I get electronically is the horn and battery light. I've checked the fuses and hooked up a jump stater. No noise what so ever. Hasn't been started for a few ...
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Renault Master Battery/Charging Problem
I'm having some alternator charging issues with my Master since 1 month, today it got much worse. It is 2016 with 135k km.
Car shows up STOP and Low Battery warning, when it first started happening ...
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Voltage drop on 2009 Toyota between alternator and battery
New battery keeps dying slowly. I get 13.7 volt output at alternator but only 12.8 at battery. Thinking that voltage drop due to bad wiring between alternator and battery. Trying to trace wires but ...
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2015 Kia Forte Intermittent Low Voltage Occurrences - P0562
2015 Kia Forte
I’m hoping people can throw some ideas to this one, we are really struggling to pinpoint the issue. Many thanks in advance.
Issue Summary:
Intermittently, while driving, my car will ...
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2014 Nissan Rogue throwing B142a after engine misfires
My 2014 Nissan Rogue started having electrical issues, which I finally found was due to the VVT solenoids needing replaced. But even though the engine is firing correctly I am still getting an error ...
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Car loses all electrical on start up and then returns
My car (2011 Honda Fit) has lost all electrical power a few times in the past while. For example, I was at a gas station, and when I got back in and turned the key, it had power for a second, and ...
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Fusible Link vs Fuses
Problem:
I have some voltage drop between the battery positive and the alternator. I'm planning to solve it by replacing the wire. I would like to build my own cable and upsize the wire for future ...
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Ambient temperature sensor peugeot 207cc 2014
My ambient temperature sensor reading always in - so had the sensor replaced and its still showing the same fault. Peugeot 207cc 2014. Can you reset this or can someone help me and tell me what's ...
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Hard start and engine stalling
What should I do to permanently fix these car problems? I was called to another garage to fix a 2005 300c chrysler. The problems of the car was Hard or no start, red lightning bolt flashing, no ...
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Supplying power to rear camera from one of two sources (OR gate)
I'm installing a rear camera in my 2004 Jeep TJ with a new radio head unit with a large display. The head unit I'm using automatically switches to the backup camera when the camera video feed is ...
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Removing the cigar lighter socket in the Outback load area
I want to use the cigar lighter socket in the load area of my 2022 Subaru Outback to charge a LiFePO2 battery. I understand that these circuits should be limited to 10A (although the Subaru has a 20A ...
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Can short-circuit during jump-start damage the vehicle?
I am worried about this question -
Today I was helped on the road by a random driver (she had Mercedes w2xx, might have been w220) who helped me to jump-start my car. However, after I removed jumper ...
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2008 Mercury Mariner 3.0 Fuse #26 blowing intermittently
Looking at the owners manual fuse box diagram it's the PCM Mil but I suspect that there's more on that circuit. Having an odd intermittent fuse blowing and it seems to be sitting at a light or even ...
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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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What's the normal operating temperature for VW New Beetle fuse box wires?
We have a 2002 VW New Beetle. They made a very interesting design decision that involved sticking several wires and a fuse box on top of the battery.
Previously, ours was very corroded. I spent some ...
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99 Dodge ram No power at all
I have a 1999 Dodge Ram 1500 with Magnum engine. I lost the key so a friend hotwired it at the steering column. It worked fine until at some point when starting it via wires he crossed 2 wires now ...
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Prevent inline "waterproof" fuses from corroding
I recently bought a used aluminum boat that has 12v wiring for lights.
The wiring has inline "waterproof" fuses similar to this: https://www.princessauto.com/en/in-line-fuse-holder-with-led-...
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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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Debug a faulty stereo
I have a 2010 Mazda 3 with about 60K miles on it, 3rd owner.
It has a faulty speaker or speaker system. It started about 1 month after we bought it, that the speakers would begin a loud thudding, ...
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2010 FG Falcon dash lights and starter motor wont work
Dash lights don't work or fuel gauge or anything on dash plus car will not turn over but you can hear some clicking under bonnet but not from starter motor
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2002 VW New Beetle battery discharges only while driving?
My 2002 VW New Beetle has a sketchy (dis)charging issue. Specifically it appears that while the AC is running (though I'm not positive that's always the case) after about 15-20 minutes of driving the ...
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2011 Kia Sorento - Determine between starter and ignition problem
I have searched and this question does not appear to be in Stack. Will be as concise as possible.
Recently on our Sorento pushing the start button only turns the motor about 1 time out of 10 (if it ...
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