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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10 views

I have a 1993 GMC sierra 1500 and I have some questions about the grounding

When we bought the truck the original battery was grounded to the alternator and my dad told me I should remove the ground and put it to the frame. Well after we did that all of my gauges started ...
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0answers
20 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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2answers
90 views

Car turning itself off in highway

I drive a 2001 Chevrolet Lumina and I was just wondering if someone here has had any experience like mine. Today I was driving on the highway and then suddenly the car had turned itself off ...
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1answer
78 views

Knock sensor ground and dieletric grease

The knock sensor for my 2001 Subaru Outback grounds through the engine block. I've seen various advice about whether to put dielectric grease on the underside (where the grounding takes place). Some ...
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5answers
11k views

Keeping radio/stereo unit powered to save pre-set preferences?

In my previous cars I could save certain radio stations, volume levels, etc. on my stereo and they would stay saved (unless the battery went dead). I'm using the same stereo head unit in my latest ...
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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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2answers
138 views

connecting backup camera in my honda 2001

I am trying to set my back view camera in my Honda 2001. I could not figure out how to make electric configuration - I just want to avoid using tail light and my backup camera can keep running while I ...
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1answer
1k views

2007 Jeep Commander left turn signal will not turn off

I made a left turn today and now my left turn signal will not turn off (i.e., the interior arrow is flashing and the exterior front/rear blinkers are flashing). Here is the current state of things: ...
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2answers
858 views

Bmw E46: strange problems with automatically closing windows and broken light warning

I have had a couple of strange problems and I can't really make sense of it. When I parked the car, I locked the doors as always with the windows closed (I am absolutely sure about this; it was ...
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1answer
42 views

Which convenience features in a car affects fuel economy?

I understand that the A/C compressor runs with the engine belt, so it will always uses some HP when engaged, therefore it will have some effect on fuel consumption. What I want to know if there are ...
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1answer
17 views

2005 Suzuki Katana stalls when put in gear

I have reworked all the carborators on the motorcycle. All seemed well but once it was put in gear, it stalled. What do I need to look for?
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1answer
363 views

Mitsubishi L200 Warrior rear electric window issue

My rear window has stopped working and the interior light in between the front and back seats as well. I can find the interior light fuse, although the interior light by the rear view mirror works. ...
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0answers
7 views

1998 Dodge ram 1500 4x4 5.9 electrical issues

Pulled up to gas station to fill up, came out truck wouldn't turn over was after a heavy rain couple months back. truck has to be wired to a toggle switch to start, windows wont work along with blower ...
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1answer
7 views

Portable generator starter problem

The generator is King Canada Model no. KCG-6500GE, the battery is 12v and is in good condition. When I turn on the key to start it nothing happens, I do have power to the starter connection. What ...
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1answer
72 views

My 2002 vw golf keeps dying?

Hi Just wondering if anyone can help on this subject before I give up and sell it for spares! My VW golf (2002) had battery problems where I was going out to start the car and it would attempt to ...
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2answers
51 views

How to add Fog Lamps to Maruthi Suzuki Alto 800

I have a Suzuki Alto 800 lxi 2015 model and I would like to add Fog lamps for that, which is does not come with this model. But the Alto K10 has it. So I would like to modify it. Can I do that ? and ...
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0answers
27 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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1answer
40 views

Mazda 323P,Electrical circuit of engine control

For me is necessary the electric diagram of engine control Z5 and the procedure regulation of throttle position sensor.
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2answers
19 views

Bikes power is iffy [closed]

Hi I have a 03 katana and for some reason the bike won't power on anymore...I turn the key and nothing no lights nothing. I'm not sure if it's the battery or what. What should I do to trouble shoot ...
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1answer
17k 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
543 views

Should I disconnect the battery when working on my instrument cluster

I am going to be changing a few bulbs on my Opel Astra's instrument cluster. Part of the process involves disconnecting the entire cluster from the wiring harness and obviously replacing it when done. ...
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0answers
22 views

Chevy 4.8 misfiring

I drove the truck through a big puddle and it killed it. Found I had completely soaked the air cleaner and had possibly got water in the intake. I replaced the filter and took contact cleaner to all ...
3
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1answer
266 views

Fiat 500 Airbag Sensor

My Fiat 500, 2008, 1.2 Pop, 51Kw has had its front left side somewhat crushed. The body has been fixed for the most part, but the electrician/mechanic tells us he cannot turn on the vehicle in order ...
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2answers
303 views

Writing CAN Messages

I want to know what should I write with the CAN ID to send it to ECU. I am using ELM327 and Raspberry Pi with all connections to OBD-ii. initially for sending general PIDs to the ECU through ELM327 ...
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2answers
262 views

Headlight problem in my honda 125cc bike

I'm having a headlight problem on my Honda 125cc bike. My problem is that I don't have a battery on my bike and every time I connect a bulb, it blows up within 5 mins. As of this moment I can't afford ...
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1answer
41 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 ...
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1answer
38 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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1answer
194 views

CEL Code 41 on '94 Jeep Grand Cherokee

According to this answer a CEL code of 41 means: charging system circuit not responding to control signal What are likely causes of this?
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2answers
175 views

96 Toyota Camry won't stay started

My 96 Camry starts first time every time then stalls after 10-20 seconds? Last year it ran fine but rarely would stall @ running speed. I had to set for 2-3min before it would start then it ran ...
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5answers
4k views

2006 Kia Sedona intermittently not starting

What could be causing my (non-)starting issues? Occasionally (once every two weeks or so) when the keys are inserted and turned to the start position, nothing happens. No noise, no dome lights dimming ...
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1answer
15 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 ...
4
votes
1answer
58 views

Honda Accord 2000 V6, loses electrical although engine is still running - what could it be?

After driving about a mile with a cold engine, I lost power steering and all the dash lights came on (battery, oil, all the doors registered open, etc). I pulled off the road and turned the car off. I ...
2
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1answer
60 views

Central Locking Help: Why are there 3 wires for each door lock?

Tl;Dr: I want my hazards to flash with the central locking. I need to wire them up together with a diode to each side (left and right). The central locking has 3 wires My questions are: Does anyone ...
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1answer
34 views

Does a brake controller need direct battery connection, or would a switched source work?

I'm installing a break controller & 7-pin receptacle for towing. The wiring diagram I am following (below) shows the 7-pin and brake controller wired directly to the battery. I want to know if I ...
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1answer
34 views

2006 Saturn Ion wont shift into drive but will in reverse

Couple of days ago my 2006 Saturn Ion transmission stopped working, I can put the car into drive but when I hit the gas it just revs up and doesn't actually go anywhere, it will roll though like its ...
1
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1answer
16 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 ...
12
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6answers
29k views

Battery drains by itself when vehicle is parked (parasitic draw)

A 1998 Jeep Grand Cherokee has gone through 3 batteries in the last 3 months. While they have all been replaced by warranties, it'd be nice to get the problem solved permanently. I've tested the ...
3
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2answers
7k views

diagnose faulty voltage regulator causing battery overcharging?

I've been having an issue with an '03 Toyota Echo. The alternator died (at least that is what I thought) as the battery kept going flat. I found an alternator at a wrecker and fitted it, and I ...
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3answers
3k views

Noise in stereo that changes pitch with engine RPM

This is a question of curiosity. I have a '98 Acura Integra, a cheap car stereo with a 3.5mm aux in, a cheap inverter and a smart phone. If I have the smart phone audio hooked up to the car stereo and ...
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3answers
57 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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1answer
1k 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
12 views

Focus ST170 2002 Electric Mirror only works horizontal

I am in the UK and drive a 2002 (52 reg) Focus ST170. Recently the electric mirrors would only work vertically intermittently (always worked horizontally), and as of now will not move vertically at ...
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0answers
15 views

Yamaha fz700 brake and headlights problem [duplicate]

Recently bought a Yamaha fz700 bike. Headlights don't work whatsoever, checked fuses, bulbs, and I found that wires aren't getting any power. Flipping the Hi/Lo beam switch doesn't change anything ...
2
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2answers
72 views

1987 Yamaha FZ700 headlights not working

I recently bought a 1987 Yamaha fz700, and the owner said the headlights didn't work, and I can't figure out what's wrong. We checked some of the wiring out, and the bulb connectors have no power ...
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0answers
32 views

loud bang in my car

I was at the roundabout in my brand new Nissan Juke, just about to pull out when suddenly, there a loud bang which jerked my car forward, violently throwing me forward then slumming my head on the ...
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1answer
19 views

No power situation - 1990 Mercury Couger

The engine won't turn over and there is no radio or power windows. What is the connection with these three things all at once? I replaced the coil and starter. Checked fuses, relays, etc. It ...
1
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1answer
619 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 ...
2
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0answers
40 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
40 views

ML320 completely dead, no electrics can't put key in ignition

Mercedies ML 320. First key did not open door used manual key to get in. Key wont even go into ignition. No lights nothing it is completely dead. About 3 days ago the radio suddenly would not come on ...
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3answers
8k views

OBD-II reader/scan tool that can also diagnose air bag light

Is there an OBD-II reader/scan tool that can also diagnose air bag warning light? My 2004 Honda Element EX has a red air bag warning light that recently has turned on. The nearest Honda dealer wants ...