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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2
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2answers
137 views

Battery running flat on a regular basis

I drive a Vauxhall/Opel Astra Mk5 1.8l SRi, registered in 2004. For 2/3 months now I've been having to keep a spare battery in the car as the car battery is running flat. My first thought was that ...
3
votes
0answers
62 views

How to fix “lazy” electricity to the cab of an '89 Mazda B2200

I don't know how else to describe it but as "lazy". There's power to the speedometer/temperature/fuel portion of the dashboard, but nothing else in the cab has power, including the interior light. ...
3
votes
2answers
7k views

Electrical problems due using battery charger as a jump starter

I have a 2003 honda civic, and the car battery went dead on me. I didn't have a jumper cable with me, but I had a car battery charger. So, I hooked it up to the battery and tried starting the car. ...
1
vote
1answer
233 views

How to fix weak headlight

Since I bought my civic 1997, a year ago, the driver side headlight has been shining weak. I changed the bulb once, it still shows weak. I took it to the electrician, he turned a nut tight and it ...
-1
votes
1answer
100 views

How can we measure the tilt of steering wheel in car without any special sensor for it?

I am searching for some possible way so that I can get the tilt or amount by which the steering wheel is rotated and without any use of special sensor for it , in Indian Cars like Swift D-Zire , Beat ...
4
votes
1answer
286 views

How long should fusible links be?

I've installed a 12" fusible link as a replacement for a fusible link on the line that charges the battery from the alternator. I showed the OEM part to the guy at the parts store and he gave me a 12" ...
3
votes
1answer
215 views

89 jeep cherokee will run but when i turn it off and try to restart it the battery is dead

The battery is still good and the motor will keep running when you disconnect a terminal. Can my alternator be bad? If not I'm also thinking a dead short? What is the best way to find out?
2
votes
1answer
221 views

Mercedes OM636: Can I Resolder Wire to Coolant Temperature Sensor?

The wire contact connected to the Coolant Temperature Sensor of my Mercedes OM636 (Boat engine same as Mercedes 170D, 180D) was corroded and got accidentally snapped off. Can I just solder this back ...
-3
votes
1answer
87 views

01 Chevy impala

My car won't do anything when I turn the key no lights or nothin, battery is new, alternator good new starter , but if I hook cables up to the side post battery it will turn over and when it starts it ...
1
vote
2answers
155 views

Volvo 940 stalls and speedometer goes wacko

My 91 Volvo 940 has been dying lately and won't restart. If you jump it, it restarts, but then sputters and stalls within about a minute. Before it stalls, the speedometer bounces up to about 20 mph ...
3
votes
0answers
66 views

No power to instrument fuse

I have a 94 Oldsmobile Bravada and the digital dash quit working. I found that I do not have power to the instrument fuse but have power to all other fuses in the panel. I can not find an electrical ...
4
votes
1answer
56 views

Wires Coming Out Of Center Console

I bought a 2011 Ram 1500 about 6 months ago. I removed the rubber liner for a small compartment in my center console. When I tried putting it back I realized it would not go down all the way and found ...
5
votes
2answers
4k views

Aux Audio Input for 2006 Honda Accord

I'd like to add an auxiliary audio input to my 2006 Honda Accord LX-SE: What parts do I need to purchase? Can someone with a rudimentary understanding of electronics perform the installation? What's ...
3
votes
2answers
5k views

Could less than optimal battery charge prevent starter bendix drive from engaging flywheel?

With a less than optimal 12.2 volts at the battery terminals and the bendix drive at the starter failing to pop and engage the flywheel, would battery charge be a likely cause of such a failure? Or ...
4
votes
2answers
3k views

12v Acc/Switched vs 12v Always On

I am currently designing a part that should always be on when the key is turned to On/Acc, and only sometimes on when the key is set to Off, or removed. My car is a 99 Camry, but I have a good ...
3
votes
1answer
158 views

1999 GMC Sonoma 2.2L, 5spd, SLS - no reverse lights, suspect transmission

No reverse lights. Complete diagnostics reveal; good Fuses, good blubs, good continuity, good reverse light switch. The switch was checked two ways: 1. jumped out with a piece of wire between ...
2
votes
1answer
376 views

Rear motorized hatch in 2005 Nissan Armada will not open

My 2005 Nissan Armada rear hatch has opened unexpectedly (while parked) several times in the past few weeks. Now the rear hatch will not open with either the key fob or via the interior hatch button. ...
5
votes
2answers
3k views

Daytime running light failure — one side only

I have a 1991 Miata. It's a Canadian vehicle, and so is equipped with daytime running lights. Recently, I've noticed that the passenger side light is not working as a DRL. The driver's side light ...
2
votes
2answers
163 views

Flickering lights and volt light on 2004 PT Cruiser

My 2004 PT Cruiser just flashed the internal battery light. I was able to drive home, but I noticed that the LED lights on the clock were flickering. I played with the RPM of the motor a bit(manual ...
3
votes
3answers
1k views

LED tail lights flashing at ultra high speed

I've just replaced the old tail lights on my 1993 Triton ute with LED ones. Now I have the issue where the indicators flash at such a high speed it may as well not be flashing at all. If I put the ...
3
votes
0answers
285 views

Where is the “comfort relay” in a BMW 1992 325i AUTO?

Please advise where the Comfort Relay is positioned in my car which is right-hand drive. The problem is that the windows and sunroof do not open or close.
2
votes
2answers
2k views

'98 Honda Accord electrical/power issues… What could the culprit be?

I've been having some gradually worsening issues with the electical & power functioning of my 1998 Honda Accord. Here's a detailed rundown of the symptoms I've been experiencing since I first ...
3
votes
3answers
628 views

Tail Light / Turn Signal randomly not working

I have a 2003 Ford Sport Trac and the drivers side tail light went out a few months ago. The bulb was spent and I replaced it. After a couple of weeks it stopped working again, but the bulb is fine. ...
3
votes
1answer
751 views

Wiper motor voltage troubleshooting

I am troubleshooting a rear wiper motor problem in a 2003 Ford Focus wagon (LE). When I measure the voltage to the contacts (with the wiper switch on), i get intermittent (~4 s) voltage at 200 mV. ...
1
vote
1answer
32 views

Can I plug dj gear to Pilot 2013?

The touring pilot 2013 can provide 650 watts, and has a 115V outlet. But can it handle a good 2-3 hours of djing or would it kill the battery? All together the dj gear may consume up to 150 watts
4
votes
1answer
718 views

Electrical issues: where are the grounds on a 1997 vw golf mk3 tdi

When I have the ignition switched on, if I press the brake pedal, or use the headlights, the foglight gets turned on. I think this is an earthing issues so I have checked the grounds in the two ...
2
votes
1answer
3k views

can i split off another circuit from fuse box to run power to cigarette lighter?

I am not getting any power to my cigarette lighter or to the fuse in the fuse box. I have a 91' Ford Ranger with around 110k miles so other than that and the air conditioning it runs fine. I was ...
2
votes
2answers
278 views

SB350 cutout at freeway speed, revs fine in neutral

Was hoping someone could help me out with an issue I'm having since I'm running of ideas... In case it helps, its a 71 Nova with a small block 350. Carbuerated and HEI, without any computer chips or ...
2
votes
1answer
870 views

Peugeot 307 CC with power folding mirrors - Replacing Passenger side window motor

I have a 2006 peugeot 307 CC. My front passenger side window motor works now and then, but grinds, and only goes up in 1" stages. Also, the roof only opens part way, then stops. I have had an auto ...
3
votes
1answer
768 views

Wiring up boat electronics - 240V and 12V with inverter

I've just bought a boat, but the electrical systems need a bit of an upgrade before going cruising for any length of time. At the moment, All the 12V runs from a single starter battery, and there are ...
3
votes
1answer
187 views

98 Windstar: An 8x5x3 black plastic box fell off

When I got home from work yesterday and parked my '98 Ford Windstar next to the house, my wife pointed out that a 8"x5"x3" black plastic box was sitting at the end of the driveway, and a slightly ...
1
vote
2answers
521 views

No power to interior lights, etc

I got Mercedes A Class W168. Recently I got a weird problem, when I switch the key, only battery & SRS lamps lit at dashboard. Engine, headlamps, radio, horn, windows, power steering work. ...
4
votes
4answers
2k views

High Beam Indicator Problem

I have a situation where I'm doing wiring for the dashboard of a vehicle. For whatever reason, the turn signal/headlight switch on this vehicle outputs a 6 volt signal on the high beam wire when the ...
3
votes
2answers
93 views

Will low gauge wire to a fuse be a bottleneck?

I am running 4awg wire to my car's 400watt amplifier. The wire is running about 10 feet from the circuit breaker that it is connected to. The circuit breaker (as of now) is connected to the car's ...
7
votes
0answers
550 views

How to reach the fuse box from Mk1 Golf Cabriolet?

On an 91 Golf Cabriolet (Mk1), the fuse box is hidden behind the knee bar, and has no access hatch. I need to have a look at the top of the fuse box to see if fuse 19 (indicators) is broken. Is there ...
2
votes
1answer
230 views

Battery has a draw with key off

I have a 2000 Grand Cherokee, and I’m having 2.23 Amp draw off the battery when the key is off. Leave the door open 2‒10 min., and the battery is dead or not strong enough to start the vehicle. I go ...
2
votes
1answer
379 views

Front grill electrical component near radiator

I have a 2008 Mazda 3, and unfortunately I ran over some road debris (probably a tire or something, I didn't get a good look at it). My local Mazda dealer checked it out and said there was nothing ...
0
votes
1answer
58 views

Aux port '12 Pathfinder not going in all the way

So I have a Pathfinder and the stock has an auxiliary port when I got it (used), but the 3.5 cords that I insert into them doesn't go in all the way, and I'm giving it quite a bit of pressure. I'm not ...
1
vote
1answer
403 views

'99 Audi A4 seat belt warning sign

I've had this seat belt warning light on my dash for a few weeks now. My dealer says the wiring to my driver seat is gone and replacing it could cost close to 800 USD. Is there a better option?
1
vote
1answer
336 views

Ford Focus 2006 - Trunk latch won't close

I lost my keys, so I had a locksmith come and make another Key. He took the lock latch off to do something with a computer as well as the door and ignition. Now the trunk latch will not latch and ...
0
votes
0answers
20 views

Car Radiator Fan may have a Fault, I'm an electrical noob [duplicate]

I took the fan out from my engine compartment and am now ready to test it. It consists of two fans, one larger than the other connected I believe in series with two large wires, one red, one brown ...
0
votes
1answer
3k views

Sound system volume fades in/out erratically

I recently got a 2006 Mercedes e350, passed it's Mercedes certified check up a week ago so it's electrical should all be in working order. The last couple days I noticed the volume of the sound ...
7
votes
1answer
136 views

Shutting off fans at highway speeds

On my vehicle (92 Civic) and most others I've seen, the condenser fan comes on whenever the A/C clutch is engaged. This seems like a waste of electricity (and thus fuel) when cruising at 60-75 mph, ...
3
votes
3answers
7k views

What is the Magic ON temperature for Electric Fans?

I want to wire up my old truck to turn an electric fan ON to keep the radiator cool. The ECM has an engine coolant temperature sensor mounted in the engine that alters the resistance to determine ...
4
votes
1answer
715 views

Misfiring Engine Hyundai Accent Executive

My Hyundai Accent Executive is 2001 model. Recently the engine started misfiring badly during idling with Air conditioner on. It is almost like the engine is going to turn off any moment. The ...
2
votes
2answers
543 views

Safe resistance between alternator and battery?

I am trying to figure out which awg of wire I need to get for my new, 160 amp, alternator. I found this chart which shows the resistivity/length of different wire gauges. Chances are that I will not ...
4
votes
1answer
505 views

Honda Prelude: digital fuel and temp gauges dimming and brightening repeatedly

I have noticed an annoying issue on my '94 (4th gen) Honda prelude. The digital petrol and temperature gauges appear very faint when starting the car. After about 5 mins they brighten again, only to ...
4
votes
1answer
965 views

A/C electrical problem on 92 Civic

I've had intermittent A/C failure on my 92 Civic DX going on for a couple years now. It's clearly an electrical problem. Normally it's solvable by putting some pressure on the control panel, but ...
4
votes
2answers
182 views

If I were to convert a gas powered automobile to an electric car, would a difference in specs possibly damage the car?

I would like to convert a Mazda Miata into an electric car, I plan to remove the engine and the gearbox, and have the car be a direct drive. The motor I intend to use has twice the torque of a ...
2
votes
2answers
5k views

Car stereo lights dim/flicker

thank you for taking the time to read this. Last year I installed a car stereo head unit in my car. I did the installation myself rather than having it done professionally. I am no expert in that ...