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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1answer
65 views

Fluctuating amp meter on 1948 automobile

On an old auto 6 volt (generator/regulator) system, what causes the ammeter to fluctuate between zero and -35 amps? Seems acceptable at idle but fluctuates on the discharge side when driving. Will ...
3
votes
1answer
140 views

turn signal blinks wrong direction

I have a 2009 Jetta SportWagen TDI (Mk5). When I turn on my right turn signal, usually the left turn signal turns on instead. I'm pretty sure it is a problem in the lever arm. I can consciously ...
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votes
2answers
174 views

05 Mustang electrical problems

I have a 05 Mustang base V6 auto. Headlights won't stay on. Sometimes high beam works. Everyday it's different. Last night when the fans turned on the lights would come on the off again when the fans ...
3
votes
1answer
120 views

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 ...
3
votes
1answer
403 views

2001 Mazda Protege — Battery Charge Problems

For the past year or so, I've had to manually charge the Protege's battery before going anywhere, every single day. Either the battery is not "holding its charge" or there's a component that's ...
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votes
2answers
77 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 ...
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votes
2answers
3k views

2001 Monte Carlo ss. 3.8 liter cooling fans

2001 Monte Carlo ss with a 3.8 liter motor in great condition. The problem is... check engine light on, Temperature gauge not working and cooling fans stay on for 5 minutes after turning car off. ...
3
votes
1answer
193 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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1answer
2k 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 ...
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1answer
2k 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 ...
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votes
1answer
249 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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votes
1answer
14 views

Terracan 2.9 crdi 2004 won't start

Wile driving i activated the high beam (headlights) and the rpm-meter started flickering for a moment and then dropped down to 0. Stopped the car and shut of the engine for 10 min for other reasons. ...
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0answers
50 views

starting a diesel tractor

I have a diesel tractor with a generator.after sitting for a long period the battery was low so I used a portable jumper battery but mistakenly hooked up the cables in reverse. this caused smoke to ...
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votes
1answer
42 views

1999 Jeep Cherokee 4.0L electrical problems

I am new to this and in need of some advice. I just purchased a 1999 Jeep Cherokee 4.0L, with 211,000 miles and have some electrical problems. I noticed that one of the two green wires on the back ...
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0answers
16 views

2000 Mercury Sable instrument cluster and headlights do not turn off

My 2000 Mercury Sable Premium LS (3.0L 24V Duratec V6) has an electrical issue: When I remove the key from the ignition, the instrument cluster and headlights do not run off. I can reach in at any ...
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0answers
16 views

F350 2002 wiring problems

F350 2002 wiring problems. Electric mirrors were fixed and then problems with power windows, air conditioner and radio arise. The windows, radio and air conditioner stop working after started and ...
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0answers
58 views

Stubborn rear fog light (BMW E46)

The rear fog light in my BMW E46 2001 is broken. Obviously, I first tried replacing the bulb itself, but the old bulb was still fine. I tried with a new bulb anyway, but the light didn't work. I ...
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0answers
22 views

Problem switching in new dome lights in the front

I'm trying to install these multi-color dome lights, I successfully installed the right side, but when I tried to install on the left side, the left one won't work. The product is not the issue, I ...
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0answers
47 views

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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0answers
26 views

parking light on 1990 Volvo 240 not working,

The driver's side parking light on my 1991 Volvo 240 is not working. Bulb is ok. Turn signal and head lights working fine. Mechanic says it is most likely a corroded wire inside an "assembly" or "...
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0answers
149 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 ...
3
votes
0answers
259 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 ...
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0answers
157 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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0answers
68 views

Changing Ford e4od to 4r100

e4od is a gear driven speed sensor/ 4r100 is reading directly off tail shaft and signal is much faster causing speed to read much faster. Is there a way to put an in-line adjustable type signal ...
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0answers
965 views

Mercedes C250- Eco mode not working

i have a C250, W204, 2011 model, and i noticed that the ECO mode is not working anymore. When i turn the car on, the ECO button light is green and the ECO sign appears in the cluster. After 1-2 min, ...
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459 views

Turn signal malfunction, is it multifunction switch or the flasher relay should be replaced?

I am having a similar problem on my 2007 Jeep Grand Cherokee Laredo, and the problem is: Stalk left: left/right all off Stalk neutral: left on Stalk right: left on. I will try the same trick and to ...
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1answer
249 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 up......
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1answer
346 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 "Park"....
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0answers
66 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. ...
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0answers
68 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 ...
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0answers
315 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.
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0answers
51 views

Access OnStar Wires on 2012 Equinox

I've got a 2012 Equinox that I want to attach an inviscord to the Onstar wires, but I am not sure how to access the wires. There is a wide black plastic cover where the rear view mirror attaches to ...
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0answers
1k views

Mercedes Atego OBD2 live data codes

I have tried to connect an OBDII ELM327 adapter in Mercedes Atego. Somehow I managed to get it in that OBD2 connector. I can see that my adapter is receiving electricity. These are the PID's that I ...
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2answers
627 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 ...
2
votes
2answers
108 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 ...
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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 ...
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3answers
6k 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 ...
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votes
2answers
507 views

Interpreting ABS/DSC fault code

I have an ABS, DSC and handbrake warning light (the latter telling me it's likely from one of the rear wheels) on my BMW E46 320d from 2001. The warning used to be intermittent (it would go away, then ...
2
votes
1answer
453 views

Daughter's 2005 Nissan Sentra 1.8 SE - No Low Beams - High Beams Fine

Daughter was driving home last night from work and noticed "it was very dark" on the way. Turns out low beams won't come on at all. High beams, parking, tail, turn signal and flashers all fine... just ...
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3answers
326 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
102 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
1answer
36 views

1999 Katana 750 will not start

Rode it today ran fine. Come back home and I stalled it. 20 minutes later I turn the key to ride it again and nothing. I have no lights of any sort. I did check the fuses and they seem ok. What else ...
2
votes
2answers
80 views

Viable replacements for lead-acid batteries?

Given the state of battery technology, is it viable for either motorcycles or cars to replace the original spec 12V lead-acid battery with a different type of battery? My question comes about as I ...
2
votes
1answer
78 views

Does fire damage the electrics of a vehicle?

I have a bike but the question is also for a car of my neighbor. Both are parked in the garage where, sadly, some moron proved his moronity by doing something moronic, which caused a fire to flame. ...
2
votes
1answer
228 views

Negative-grounded vehicles: some switches on positive, some on negative, why?

As far as I can tell, on my van which is negative-grounded, all fuses are somewhere between the positive terminal and the load being protected by the fuse. However, some switches are on the positive, ...
2
votes
1answer
191 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 ...
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2answers
35k 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 ...
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1answer
675 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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2answers
2k views

Aftermarket start-stop system

I am looking for an aftermarket device that turn off the engine when the car is in rest and turn on the engine when the throttle is pushed. Which are the producer? Where i can find it on internet?
2
votes
3answers
22k views

Can I disable antitheft (PATS) on 03 Mustang?

Just bought an 03 Mustang from an auction and took it on a trip. The anti-theft system kicked in and I had to disconnect/reconnect the battery to get it working again. That worked a few times and I ...