Concerning the main electrical system of a motor vehicle or internal combustion engine. Consider a different tag for radios and other such systems.

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Running my camper on solar

I would lIke to run my camper fully on solar and I'm unsure what I would need to do it right. It would be for heavy use, lights, appliances, tv, ect... I have a 2014 camper that has a 50 amp plug on ...
5
votes
1answer
1k views

No spark on my new motorcycle

I recently purchased an 81 Suzuki GS450L, my very first bike. I'm not getting a spark. When it dies, it does so silently. No backfire, sputtering, etc. My first thought was that it had aftermarket ...
3
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0answers
140 views

Hooking up daytime running lights on my vehicle using relays

I am looking to run my 2006 Honda Ridgeline's daytime running lights on 50% power, or close to it, on the accessory wire. When I turn my park lights, head lights, or brights on, I would like them to ...
2
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2answers
33 views

Upsizing a hot rod cooling fan from 7a to 20a

12v car power supply with 160a alternator and 30a relay, will this system support upsizing the cooling fan from 7a to 20a?
4
votes
1answer
163 views

Could 1.9 Nm be enough to accelerate 130kg electric go-kart?

I'll apologize in advance for a fuzzy question. My problem consists of two parts. For starters, I'm trying to buy a DC engine for learning purposes and most of them only specifies the watt (which I ...
7
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1answer
164 views

Diode selection or “Engine Running Only” electrical source on 1965 Mustang?

I am working with a 1965 mustang and have added heated seats. The seat heater wiring does not have a latching circuit and is controlled by a SPDT Hi/off/Low switch. In an effort to only allow the ...
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1answer
180 views

1974 Honda Cb125 Not Starting + Strange Clicking Noise

I have a 1974 Honda Cb125. The other day, she started fluttering at speeds above 30mph. I had run into this issue before, and it turned out to be a bad spark plug connection. I have since replaced ...
3
votes
1answer
43 views

Clio I indicator control non-functional

Model: 1997 Renault Clio RL Panache The hazard lights are functional and I've changed the fuse (to the on-board spare) for the indicators, but still the control stick for the indicators has no ...
3
votes
1answer
60 views

How to check 05 mustang quality of lights and sensors quality

Is there any way to have the sensors for dashboard lights and digital interface tested? The guys at Sears said they didn't like the sound of my car though the fluids were all fine. It's funny they low ...
4
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1answer
111 views

Any reason I couldn't replace my entire fuse box with self-resetting breakers?

I'm always rewiring something or upgrading a component here or there on my vehicle. I recently discovered self-resetting breakers that can replace standard automotive fuses. This seems like a silver ...
6
votes
2answers
2k views

Why are my wires melting together?

I'm currently neck deep in an eletrical shortage issue with my BMW 316i. I found the wires that are blowing my fuses, and it's bad. Like at least 5ft of 8 or more wires fused together behind my ...
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3answers
2k views

What causes a low coolent temp light to come on a 2012 Honda civic

My 2012 Honda civic with 19,000 miles has a blue temp light on dash and it seems to be running fine?
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2answers
90 views

1998 BMW 318is excessive current draw - possible starter issue

My 1997 BMW 318is started making a whirring noise that varies with engine speed, and an electrical burning smell after driving, and the battery goes flat very quickly. I measured the current draw ...
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0answers
337 views

Ford Fiesta Mk6 Diesel Engine Fault

Upon acceleration the following lights illuminate once the engine reaches 3000-4000 RPM: A message; "Engine Fault" appears on the dash screen. Once this happens, the engine will no longer rev ...
3
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0answers
233 views

06 scion Tc turns over then shuts off in two seconds

My fiancé drove the car with no problems this morning. After work she realized she left an interior light on which killed the battery. She got a jump from a car and charged the battery up a bit. The ...
2
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0answers
139 views

Constant power drain, even with all the fuses pulled [closed]

I have a battery problem on my Jeep Grand Cherokee model 2012. When I checked with multimeter, I found the drain current is 2.5 amp. Then I start to take the fuses out one by one, the drain current is ...
4
votes
1answer
244 views

Horn blows constantly and tail lights remain on

I was pulling up my drive this morning when my horn started blaring non-stop. I got out and pulled the horn relay to make it shut up. I tested the relay and determined that it was working fine, and ...
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3answers
841 views

Is 60/40 solder fine for splicing wires that have to endure hot engine bay temps?

I need to splice the pigtail connectors from my old O2 sensors onto the new O2 sensors since the new connectors have a different shape. As the sensor is right behind the engine and will experience ...
4
votes
2answers
391 views

Driving electric cars through large pools of water

The state of California is expected to be hit by a large storm in the coming days and there are frequently clogged drains in my town. I have an electric vehicle that seemed to handle driving through ...
3
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1answer
2k views

Jetta intermittent starting problem

I have a 2007 Jetta with 75k miles on it. What I'm running into is that out-of-the blue, the car will not start. Generally, it turns over, but never starts. One time, it started but shut itself off ...
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4answers
19k views

What are the tradeoffs for positive vs. negative ground?

I just got a classic Ford 8N tractor running again. Someone trying to be helpful flipped the battery around, connecting negative to ground. This made the engine crank backwards! So I had spark, ...
2
votes
2answers
514 views

Shorted electrical, lots of things not working

I was installing a boost gauge, and must've shorted something out because now my turn signals, fog lights, ac blower, and wipers don't work. I checked the fuses but they weren't blown. How can I ...
2
votes
1answer
576 views

Chevy Malibu 2009 won't start

I have a 2009 Malibu, yesterday I was heading back from school, then I started hearing a bizare sound like a whining sound, 2 minutes afterwards the engine stopped. When I got off to check under the ...
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1answer
3k views

Why is my Temperature gauge keeps going up to hot and car loses power whenever this happens

The problem started a year ago. I changed the engine because there was oil coming out of somewhere. The mechanic said I had a hairline crack. I changed all of the sensors etc ... not too car savvy ... ...
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2answers
813 views

2002 Saturn SL2 Stalls After Warmup No Spark

My SL2 stalls (it just cuts out, no warning) shortly after warmup (this all started right after I topped off the coolant after a low coolant light came on, although I don't know if they are related). ...
3
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0answers
151 views

Electronic problem with Ford Fiesta diesel

While driving my Ford Fiesta Classic diesel engine car, I lose all the acceleration. The RPM meter gets stuck on 2 and all other readings were reset automatically in the speedometer? What could be the ...
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vote
1answer
226 views

Low beams don't work on VW Golf MK3

On my 1996 Golf MK3, the low beams stopped working. I checked the fuses, that's not it (swapped 1 & 2, low beams, for 11 & 12, high beams). I wiggled the ignition switch and the headlights ...
3
votes
1answer
1k views

Head Lamp on Honda Shine

I'm planning to change/modify the Headlight bulb. kindly suggest. My bike (Honda Shine) has 12V 3AH(MF) Battery & Head Lamp 12V 35W/35W halogen bulb. In rainy season & city Bye-pass roads the ...
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1answer
141 views

My car starts fine but spits and sputters until I unplug my temperture sensor then runs without sputtering

I replaced the alternator and afterwords my car would start, but run like its missing. When I unplug my temp sensor it runs without the missing. Even when it's plugged up, you hit the gas and it wants ...
4
votes
1answer
1k views

2007 honda cr-v dead battery, electrical fuses blown

Honda CR-V 2007 I parked this car on Friday. It would not start on Sunday and the cd changer changed a bunch every time I tried and a few other dash lights came on. It was cold during the 2 days ...
2
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0answers
19 views

Broken spark plug stuck/seized in place [duplicate]

Changing spark plugs to a 2002 chevy cavalier last one broken and stuck! Tried soaking with wd40 & PB Blaster but still not moving...any advice?
2
votes
1answer
180 views

Car stalled and restarted after some minutes

I have a very old car which uses mechanical transmission (Maruti Zen) Recently while driving on the road, I switched off the engine because of heavy still traffic. I forgot to turn off the head ...
2
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1answer
2k views

Is it possible to disable central locking on a Jaguar S-type (2000)

One of the many problems with my car is that occasionally I can't lock it because a mechanical problem in the passenger side front door interferes with the central locking process. I lock the drivers ...
4
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2answers
116 views

Low beam headlights failing every 3-4 weeks

I have Volvo XC90 2006 and for the past few months every 3 - 4 weeks changing low beam light. Last time even did not last 5 days. Any recommendations why this light is failing?
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vote
1answer
397 views

MAF sensor output signal vs. RPM?

I read that the MAF sensor output voltage increases as RPM increases. The ECU uses this voltage to determine other things, like idle RPM, ignition timing, fuel injectors, etc. Where can I find the ...
7
votes
0answers
272 views

GPS dashboard mount replacement?

When I bought my car, they were doing a promo and shipping a Garmin GPS with it. Thing is, the GPS came with a nice mount, fixed to the dashboard. This was great, because it meant no wires going ...
2
votes
3answers
12k views

Can I charge a Car Battery with a Motorcycle charger?

Car battery to be charged is a DIN66 which I think is about 65ah. I have a Motorcycle charger which says it can be used on cars; it suits batteries from 4 ah to 40 ah. Does this mean that it can ...
5
votes
1answer
396 views

Should I replace this stator? (2007, Suzuki, DL1000)

I opened my stator case to inspect what I thought was a bad stator. I discovered the following issues with my magnets: Broken Magnets: Cracked Magnets: Not sure if I need to replace stator ...
4
votes
1answer
2k views

Repair or replace frayed fuel injection wiring harness?

This is on a 2008 Chevy Impala, 3.5L V6, non-flexfuel. Recently got cylinder 1 misfire / ignition failure codes. An investigation revealed that mice had gotten into my garage, made themselves at ...
0
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1answer
71 views

Putting three headlights on my bike

I want to fit a total of three headlights on my average 220. What type of modifications do I need to make in the wiring to make it possible?
3
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1answer
829 views

Car won't start/respond to remote or anything until headlights are turned on

I have a 1998 Infiniti I30 in really good condition except for this issue I've been experiencing lately with increasing frequency. What happens is, and there's no surefire way to reproduce the issue, ...
3
votes
3answers
113 views

How do I check that my battery receives enough power from generator?

I suspect that my battery does not receive enough power from the generator. How do I verify that? I know that involves a voltmeter, but what are the exact things I'm measuring and how? I have a Skoda ...
1
vote
1answer
24 views

2001 Dodge Durango Acts like door is open when they are shut

On our 2001 Dodge Durango sometimes acts as if a door is open and all the cab lights come on and the bell keeps dinging even when they are all closed and we are driving. When this happens we also ...
4
votes
2answers
3k views

What is the correct/factory wiring for a Suburban 1998 battery/alternator?

I have included a picture showing what I have now on this Suburban. Note that there is wiring not shown in the picture which is a second electrical connection to the positive side of the battery ...
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vote
2answers
386 views

Motorcycle stalls shortly after starting

I have a BMW 2008 F 800 st and the oil looks watery. It stops pretty frequently after riding it around the block. When it stalls, after some hesitation, it will start again. I need an unbiased answer ...
2
votes
2answers
83 views

99 Mustang Volt Gauge Issue

I have a 99 Mustang 3.8 liter engine. Battery gauge was going down so I had the battery and alternator tested. Was told battery was bad and I replaced it. Same thing happened. I replaced the ...
2
votes
1answer
190 views

After swapping batteries, truck is really dead, except the headlights.

I removed battery from 1997 Tacoma to replace dead battery in Sienna Van and took dead battery to repair shop for testing. Repair shop tested and charged the battery. Now Tacoma is using a fully ...
2
votes
2answers
408 views

2009 Aveo electrical problem

I have a 2009 Chevrolet Aveo that I bought new from the dealer. Today I was running errands around town and just as I was about the get on the highway to head home, the battery light and emergency ...
3
votes
1answer
9k views

Will a BCM prevent a car from starting?

I've been dealing with an issue for over a year wherein my 2005 Pontiac Grand Prix starts sometimes and does not start at other times. I had the issue diagnosed last year by the GM dealership. They ...
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votes
1answer
167 views

My Citroën C2 VTR won't start after putting a subwoofer in it

My Citroën C2 VTR won't start after turning the key. It's making a click sound. This only started happening when I put a subwoofer in my car. Can you tell me what's wrong?