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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15 views

Automotive electrical question

I would like to hook up a under hood lamp to my Cadillac Escalade. A TSB (Technical Service Bulliten) from Cadillac says to never connect accessories to the vehicles wiring without using a diode to ...
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0answers
18 views

Fuse box above battery melting

I have a 2001 VW Beetle which has a nasty habit of melting the above battery high voltage fuse box. I've replaced it three times already and replaced the alternator as well, but I'm at a complete loss ...
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1answer
27 views

Fluctuating ammeter 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 ...
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0answers
27 views

How to Track Down and Electrical Short

In a previous question regarding my dashboard lights not working I found that the "tail" fuse would burn out immediately upon turning on the headlights. This is after someone did repairs to the horn, ...
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0answers
16 views

1998 Ford E150 Van - Implementing Power Doors and Windows

I put different doors on my ford van that have power windows and locks. My van was not equipped with these features originally. How do I get power to the doors in order to make the windows and ...
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60 views

How to wire an ignition switch for boat throttle controller

I have an old Bass Tracker boat. They no longer make the throttle controller for the boat, but I need to replace the ignition switch (which is in the throttle controller). I looked online and this ...
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87 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 ...
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95 views

97 Jeep Cherokee check gauges light came on and then my battery gauge dropped down to 9 didn't lose any power?

I'm so confused I had just left my house and got 3 blocks away and my check gauges light came on, then my battery gauge dropped down to 9v. My Jeep didn't lose power, and the radio, heat, lights and ...
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37 views

Major electrical melt down in wiring

I have a 2000 Pontiac Grand Am. I noticed my cigarette lighter quit working. I had a friend put a new fuse in my car for me, then I used my cigarette lighter. All of a sudden smoke was coming through ...
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86 views

Constant power drain, even with all the fuses pulled

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 ...
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101 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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71 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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46 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
16 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?
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1answer
119 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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0answers
363 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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274 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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2answers
42 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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54 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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2answers
279 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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0answers
63 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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2answers
2k 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. ...
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1answer
2k 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
42 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
858 views

Mercedes Atego OBD2 live data codes

I have tried to connect an OBD2 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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495 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 the ...
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1answer
329 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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1answer
44 views

Oil pressure light on when igntion is off and goes out when key is on and engine is not running

83 Mitsu PU Diesel. Oil light on drawing .25 amps when key is off. Key on the light goes out. All other lights and gauges work as they should. Light is off when the engine is running. It is ...
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2answers
64 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
191 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
236 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
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
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68 views

Which car parts require more energy than the starter?

Today, my car didn't start. I think that the crank was turning over because I could hear the loud sound a car makes just before starting up but the car was not starting. Anyways, I called a mechanic. ...
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2answers
41 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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2answers
187 views

what are the methodes to improve head lights of a car?

please advise me to improve my head light for better lighting. original toyota carina AT 150 square type 55W lamps available and its difficult to drive in city areas and also rainy and misty areas. ...
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1answer
136 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
2k views

What is wrong with my 99 gsxr 600 when my regulator keeps burning out?

I recently had my clutch replaced and a new battery put in. Within a month my regulator/rectifier burnt out of it. So, I purchased a new one. After 2 weeks that one burned out also. I replaced the ...
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1answer
669 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
213 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
3k 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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3answers
12k 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 ...
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2answers
127 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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1answer
37 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
178 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
136 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
41 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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2answers
910 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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1answer
758 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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2answers
350 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
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 ...