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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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 ...
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2answers
47 views

No pressure in car pressure washer

Sorry, if off-topic. I have a two year old electric pressure washer. Model: Bosch aquatek 100 plus. I use this every week to wash my car. Last week, the motor was making a lot of sound and the ...
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2answers
413 views

Honda Loses All Power, but Starts Back Up

1998 Honda Accord EX (Automatic) - Loses all electrical power while traveling (speed doesn't seem to be an issue; loses power at slow (turning corner) or fast (highway) speeds. Flashers come on when ...
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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 ...
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0answers
615 views

How do I fix an immobilizer problem on a 2006 Kia Sedona?

How do I fix a problem with my immobilizer? This is a follow up to this question: 2006 Kia Sedona intermittently not starting What parts (if any) do I need? What would be the best way to go about ...
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1answer
409 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. ...
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2answers
65 views

Left blinker quirky when braking

This is a bit of a strange problem but the left turn signal on my '98 Saturn SW2 is acting a bit funny. When braking the blinker will either simply not work or work very slowly. When not braking it ...
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2answers
178 views

Is it ok to start the car with my GPS, cell phone, etc. plugged into the 12V port?

I remembered reading somewhere that we shouldn't start our cars with devices (GPS, cell phone, video game device, etc.) plugged into the cigarette lighter port. This is because when we start our car, ...
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2answers
383 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 ...
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1answer
465 views

When is a magneto more efficient than an alternator?

A magneto is device similar to an alternator for creating electrical energy. Many small gas engines, including several road worthy motorcycles, use them to generate electrical energy. They can be ...
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1answer
3k views

Toyota Tacoma 2007 fuse diagram

I am having bad luck searching online to find a concise fuse diagram for my Tacoma. I am a little frustrated with the abbreviations that are on the diagram on the box cover. In particular, I need to ...
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1answer
33 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
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89 views

2008 Genuine Buddy 125cc - Starting Problem

I bought Genuine Buddy yesterday on craigslist rode it home and of course it won't start this morning. The battery works(the turning signals and hazard lights work), and the gas tank is full. It ...
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1answer
98 views

OIL ON MY ALTERNATOR

My 1996 XH Ford GLI LONREACH UTE with a 4.0 Tickford motor 5 sp man, had a oil leak (oil leak fixed! and I was quite proud of myself) from the rocker cover gasket, resulting in enough oil that would ...
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2answers
93 views

Battery/alternator on 99 Chevy Prizm?

My car was running fine (no lights/warnings). The next day I tried to start it and it was completely dead not even a click sound like normal battery is going bad kind of thing. After I got it jumped ...
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1answer
309 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 ...
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1answer
974 views

Honda Unicorn Electricals Problem due to water

I am using Honda CB Unicorn 150cc. Last day I had to ride my bike through water, after which none of the electricals were working. Only Head lamp will work while the engine is on. After when I ...
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2answers
241 views

Flaky turn signal

I'm working on a 1998 Ford Contour with a right rear turn signal that is acting up. The indicator on the dash and the right front turn signal are quick flashing while the right rear signal/bulb is on ...
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5answers
4k views

Horn / hooter works when car is off, not when car is on?

I have a (South African) Opel (Chev? Vauxhall?) Corsa bakkie (ute?). But I think this is more a general question than specific to this type of car. However, this model I own does not have many onboard ...
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2answers
130 views

Mazda Air Mass Meter - where can I buy one?

I have a 1993 Mazda 323 estate (GLXI 1.6l petrol). It's not been terribly reliable and has suffered from inconsistent idle - sometimes idling fast (~1500 rpm) and sometimes erratically and sometimes ...
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2answers
76 views

Suddenly losing electrical power, but after jump start, test the battery and alternator, they seem fine

99 corolla seca. OK so first time it happened i was driving and i suddenly lost power (electrics / everything else) it just kind of putters a little and then that's it. I called roadside assist and ...
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1answer
27 views

Tractor wont start

Not sure if this is the right stack exchange forum to post this in or not, hoping it is... I have a Toro lawn tractor which is having issues starting. I have been using it fine for the last few weeks ...
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2answers
85 views

2003 Jeep Liberty 3.7 v6 misfire

I have a misfire on all 3 cylinders 1, 3 & 5, all on the same side of motor. It seems more likely to be an electrical problem than coil packs since all are on same side. Is this a problem anyone ...
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1answer
46 views

new starter in 74 pontiac with 350 turns over and fires but won't stay running

My starter went on my 74 Pontiac with a chev 350 (Canadian). It first was not starting sporadically and I would have to crawl under and tap on it to get it going. I got a new starter and now it will ...
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1answer
57 views

Repair broken light connector on Volvo 240

So I tried to replace the broken corner light assembly on my '92 Volvo 240 last night. On the old unit, the gray connector (pictured in link) was stuck, and eventually pulled free with part of the ...
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2answers
146 views

MG Rover Immobiliser removal

I have a 2003 MG Rover Streetwise, I need to remove or at least completely bypass the OEM Immobiliser. Driver door lock is broken due to attempted theft, so no point trying to enter the code, the key ...
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1answer
128 views

2009 Chevy Equinox Turn Signal

My 2009 Equinox turn signal lever is acting up. When you switch it to turn left you have to hold it down in order for it to work. It returns to neutral but won't stay on without holding it. The right ...
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1answer
395 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 ...
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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 ...
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1answer
211 views

Honda Civic DX dash temperature gauge malfunctioning?

My 2001 Civic DX has a issue with the temp gauge in the dash. The needle has traveled to the opposite side than it normally registers on. Meaning it is pointing to the left away from the temp ...
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2answers
171 views

1997 dodge caravan won't start when motor gets hot

I have a van with the 3.3 in it. It will start in the morning to go to work sometimes die on the way and restart. It also will not start when the motor gets hot it will turn over but not getting any ...
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1answer
63 views

How is the power from the battery distributed when starting a motorcycle?

When starting a motor the emf from the battery creates spark (ignition system), but it also moves the engine's pistons (starter). My question(s): 1. Which requires more power - the ignition system, ...
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1k views

Should I use 4, 2, or 0 gauge wires for powering an amplifier from the car battery?

I currently have a 1200 amplifier connected in my car. I have two 4 gauge wires connected to my amp (One that connects to the red side of the front car battery and the other that connects to the black ...
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2answers
615 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. ...
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1answer
3k views

Car keys off but fuse still lights up the tester when set to ground

So normally when you want to test your fuses, you set the car to on and put the tester clip to ground then put the tester's lead on the fuse. if it lights up then the fuse is working. Well, even when ...
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1answer
1k views

My car stereo does not save radio station presets

I have a 2005 Honda Accord with original radio. The problem is that it doesn’t save any radio station presets. Well, sometimes it does, it seems like when the engine is hot and I program the stations ...
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1answer
506 views

Motorcycle battery - correct voltage running and stopped?

Hopefully a pretty straight forward one: I've been having trouble starting my bike. I checked the voltage on the battery when it was idling and got 12.9. Is this too low?
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2answers
4k 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 ...
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1answer
313 views

Does anyone know of a commonly available DPDT or DPST relay? (For use as replacement starter relay)

I have a car (1971 Jaguar E-Type 6 cylinder) with a bad starter relay. The original relay is not available, and all of the specialty parts suppliers sell a generic replacement relay. I'd like to ...
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1answer
1k views

Blower resistor blowing on '02 Chrysler Voyager

We've got a 2002 Chrysler Voyager with something of an odd problem. The blower resistor likes to burn out. It's easy to replace, but after doing so, our vent speeds go out one by one, until all we ...
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2answers
11k views

Where is the Wiper Relay/Control Module located on a 1994-1998 Ford Mustang???

I am trying to repair my wipers, there is no voltage in the wires that connects to the wiper motor. I checked the fuses and current is passing through them, so they are ok. I think the Wiper Relay ...
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1answer
29 views

2007 honda civic trunk screw & peg wont come out

I recently discovered that I had no license plate lights so I immediately went to the auto part store and picked some bulbs up. Only to find that I can only replace one side because one of the screws ...
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1answer
73 views

How to wire trailer brake to 2014 Ford Focus ST

I am in the process of wiring in a universal trailer light controller into my 2014 Focus ST. In doing so, I've run into a very strange issue which is just beyond my electrical knowledge and I'm ...
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1answer
62 views

Starter or Electrical?

My 2007 Mustang GT makes funny noise when starting, and lately disconnects my Clock and radio. Would that mean that I need a new starter or do I have electrical problems?
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1answer
92 views

Dodge Caravan headlights; 1 on with running lights, other on with headlights

I have a 2002 Dodge Caravan. When the running lights are on, one of the headlights is on. When I turn the headlights on, they switch; the one that was on with the running lights turns off, and the ...
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1answer
232 views

Car radio stopped working

Hi I'm 16 years old and have just bought my first car. It's a 2001 Mazda protoge. Today while I was driving I plugged in a USB charger for my phone and the radio shut off. Now the radio won't turn on ...
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1answer
36 views

Low idle and tacho twitching after electrical cut out

The car is a 93 VW Cabriolet (Mk1 Golf/Rabbit). I was parked with the engine on lowering the hydro/electric roof when the engine and power cut out. I couldn't restart the car so checked the battery ...
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1answer
32 views

What is the pin layout / labels of this oil gauge?

I have a veglia oil pressure gauge from a fiat coupe 16v. On the reverse of the clock is 4 pins, the top and left ones are labeled negative and positive respectivly, but can anyone tell me what the ...
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2answers
65 views

Electronics not working after trying to replace stereo

The trunk release, power locks, key fob, radio, interior lights, power mirrors, and the horn (horn only works when car is running) all don't work but my power windows still work great. What could be ...
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1answer
22 views

Rear blinker failure on camper trailer

My right rear blinker on camper trailer does not work but every thing else does. I have a test light to test fuses and relays on truck to see if that may be an issue. It has camper tow package. Where ...