About the main electric systems of the car. Consider a different tag for radios and other such systems.

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1answer
3k views

Headlights turning off randomly

I have a 95 Chevy S10. When I drive my truck around at night I notice that occasionally my headlights turn off for about 3 seconds and then come back on by themselves. There doesn't seem to be any ...
3
votes
1answer
642 views

Battery replacement on 2001 Chevy Venture

I have a 2001 Venture that needs a battery replacement. Will disconnecting the battery activate the Theftlock system in my stereo? My impression is that the VIN is stored in flash memory, so a ...
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votes
3answers
2k views

Alternative reverse light switch

I am about to take me ute to get a "safety" certificate so that I can get it registered (QLD, Australia) and I have one issue left that is still a possible problem. The switch that operates the ...
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votes
2answers
3k views

Should only the left “Rear Fog Light” actually light up in a pair?

On a 2003 Saab 9-5 Aero, only the left rear fog light lights up. The right side has a bulb but when I switch the bulbs, the left still is the only side that lights up. I thought it might be a wiring ...
3
votes
1answer
216 views

Hour meter stopped turning

I have an hour meter for my engine in the middle of my tachometer. It has stopped incrementing when the engine is on. I pulled the tach (which works fine) and all of the four wires that attach to it ...
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votes
2answers
346 views

Trailer wiring corrosion

Every couple of years I find that the trailer wiring connector (7 pin) on the back of my truck doesn't work properly, causing the brake or turn signals on the trailer to not function. This is caused ...
3
votes
1answer
15 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 ...
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votes
1answer
148 views

98 jeep cherokee wont start. get one click then everything shuts down no more dash lights or nothing

replaced the starter a month or so ago and has started fine, until today.... i turn the key and all power is lost. i tried jumping it, charging the battery, hot wired the starter and still nothing.... ...
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votes
1answer
79 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, ...
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2answers
531 views

1997 Honda Civic won't start; stuck in park

Last Sunday I was driving home and noticed my dash had no lights and my power windows would not roll up. As I pulled into the driveway to park I tried to put the car in reverse. As I did so the ...
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4answers
426 views

Right hand side blinkers on Holden/Opel Barina not working

The right hand side blinkers in my 2005 Holden/Opel Barina stopped working. When I turn the blinkers on they do the right click-click sound just much faster than usual. All 3 blinkers stopped working. ...
3
votes
1answer
492 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. ...
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votes
1answer
569 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 ...
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votes
7answers
12k views

Unable to start the vehicle depending on how long it has previously been driven

I have a Citroen C3 which is giving me a headache. The problem is a recent one, and is basically that I can't start the car. The strange thing is that the problem only surfaces when I've been driving ...
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votes
3answers
3k 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 ...
3
votes
1answer
64 views

Number plate lights not working

Hi I have a one year old Motorhome, the number plate lights have corroded beyond repair. I am waiting for the to be repaired under warranty. Does this mean technically my Motorhome off the road as I ...
3
votes
1answer
144 views

Brake lights on '94 Honda Prelude stuck on

All 3 brake lights on my Prelude seem to be permanently stuck on. This occurs all of the time - the lights stay on even if there is no key in the ignition. I've had to disconnect the battery. Would ...
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votes
1answer
3k 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 ...
3
votes
1answer
72 views

2007 S40 - Accessory Delay (5 secs) when turning the Key to Position II

My son's 2007 S40 has an accessory delay of 5 (secs). The lights and indicators ultimately come on. The car has no problem starting and runs nice. The dealer says it needs a new ignition. An ...
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votes
1answer
1k views

Replacing Vauxhall Corsa C (2002) rear fog light

I need to replace the right rear fog light in a 2002 Vauxhall Corsa C; not just the bulb but the whole unit. I'm looking for instructions on how to replace the lamp preferably without removing the ...
3
votes
3answers
424 views

2003 Nissan 350 Z won't accelerate

We own a Nissan 350 Z and this morning it would not start. It would turn over but it wouldn't fire. After pulsing the gas a little bit it would start but then letting off the gas would cause it to ...
3
votes
1answer
386 views

2007 Nissan Maxima Windows and Sunroof are Unresponsive

All the windows will not go up or down including the sunroof. Everything else is working. The fuse under the hood looks ok. There no sign of it being bad. Can it still be the fuse and if not what else ...
3
votes
1answer
178 views

Can I decrease the sensitivity of my seat belt “person detector”?

Any time I put something - as light as 10 pounds in my passenger seat, my seat belt alarm goes off in my 2007 Pontiac Vibe. To avoid the VERY annoying beeping, I usually end up buckling up my ...
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votes
2answers
84 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 ...
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votes
2answers
108 views

Capacitors for cars

I recently added a subwoofer to my car. It's powered by a 300w JBL amp (and I also have 300w speakers). I currently have a 180amp alternator and a Die Hard platinum battery, which both handle my ...
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votes
2answers
69 views

Keyless control system does not respond

I have a 2000 Ford Excursion. Suddenly the remote system does not respond. I checked the battery of the keyless and replaced it, but it didn’t make any difference. Are there any thoughts, or steps ...
3
votes
1answer
79 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 ...
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votes
1answer
874 views

My 2009 Vauxhall Corsa D Won't Start

I measured the voltage of the battery without the key in the ignition and it's 12.6. When I insert my key and turn on the ignition the electrics work fine, the headlights come on etc. When I turn ...
3
votes
1answer
1k views

2008 Pontiac Grand Prix Fails to Start and Electronics Go Awry

My mother-in-law drove over this morning to pick up my wife, and when they tried to leave the car wouldn't start. Not only that; the horn honked, the wipers started, the trunk popped open, and the ...
3
votes
1answer
190 views

2000 Dodge Intrepid electrical problem

I accidently let the battery power cable touch the frame of the car and it sparked. Now my car does not light up dashboard or anything type of power. I tried jumping the car and still no sin of life. ...
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0answers
6 views

Saturn Headlight Problem

I have a 2001 Saturn SL2 that is having a problem with one of its headlights. When I turn on the headlights, frequently one is not lighting. If I go to the front and give the lens a quick knock, it ...
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votes
0answers
15 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
votes
1answer
86 views

'96 Buick Century Turn Signal Not Working

Yesterday I noticed that all four of my turn signals were not turning on. About two months I had the flasher replaced because they turned on but just would not blink, now they will not even light ...
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votes
1answer
104 views

Electrical problems after auto start installation

I have a 2000 Camry, I've installed Bulldog RS90 remote starter about 5 months ago; and it worked just fine. A couple of days ago I started my car with a key, and could not shift the gear from ...
3
votes
1answer
785 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 ...
2
votes
2answers
317 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 ...
2
votes
2answers
308 views

Lost electricity to cab and Engine won't turn over

My '94 mazda b4000 recently lost electricity to the cab and the engine won't turn over. I will get in, the seatbelt beeping will start, then that will stop. I will put the key in the ignition and ...
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votes
2answers
85 views

Turn Signal Malfunctioning

My left turn signal started malfunctioning the other day, here are the symptoms. left turn signal (on dashboard) clicks at roughly twice the rate as the right turn signal. rear turning light flashes ...
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votes
2answers
93 views

Turn lights are blinking at a different rate

I am rewriring my car with new harness and I noticed something strange. My left turn lights blink faster than my right turn lights. They are both routed through the same relay and I don't think they ...
2
votes
3answers
6k 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 ...
2
votes
3answers
298 views

Is my mechanic ripping me off?

My 2002 ford focus (built after may 23) died and the AAA and tow guy both said that it needs a new fuel pump. Anyway I went to the mechanic and he said it'll be 350 for the pump and 200 for labor. I ...
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votes
2answers
92 views

How to run a 50 amps short term load off the car electrical circuit?

I window-shopped for a car air compressor and there's a variety of them with different performance levels. Low performance compressors (like 30 liters per minute) have a cigarette lighter connector, ...
2
votes
2answers
4k views

Radio Wiring diagrams and/or color codes?

I've got an older Nissan truck (1994) that did NOT come with a factory radio. A previous owner had an aftermarket style radio installed, and the installers used one of these universal radio ...
2
votes
2answers
603 views

Ford Focus - bad starter?

Car 1.6L Ford Focus estate, made in 2000. It is right hand drive, although I doubt that matters. Issue When the ignition key is turned from "On" to "Start", there is a click (sounds like a relay ...
2
votes
1answer
385 views

1996 Chevy Tahoe Won't Start

My Tahoe won't turn over. There are no clicking sounds. Lights will turn on. Nothing happens when I turn the key.
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votes
2answers
822 views

What system should I inspect first for the following issues on a 2004 Chevy Aveo?

A 2004 Chevy aveo with around 78,000 miles has the following issues: The Daytime Running Light indicator (as well as the lights themselves) randomly turn on and off. This is a slow thing and has ...
2
votes
2answers
59 views

Low beams don't work but high beams do. What do I do?

It's a Chevy HHR 2006 and I don't know what to do. First one low beam went out now both are not working but both high beams are working. What do I do?
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votes
2answers
79 views

Getting power to phone kit by running a cable through the firewall

I am installing a phone kit in a Toyota Avensis '02. I am trying to get a cable through the firewall to the battery and I'm having difficulty. I saw someone on YouTube getting power from under the ...
2
votes
1answer
11k views

Low beam headlights out, High beam working

The patient is a 1996 Chevrolet Caprice with dual-filament bulbs. Both filaments in both bulbs light up in high beam mode, but no filament on either bulb lights up in low beam mode. What could be ...
2
votes
1answer
199 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 ...