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
364 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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1answer
19 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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vote
1answer
14 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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0answers
2 views

2002 Dodge Stratus loses all electric power after jump starting and running a few minutes

Already replaced the alternator and battery. Alternator is putting out 13.7 volts and battery is reading 14.1. I jumped the battery and starts right up, but after removing jumper cables the dash ...
2
votes
1answer
41 views

Diagnosing Vehicle Brake Lamp Fuse Blowing; What to test next?

Fuse keeps blowing when I press the brake pedal on a 98 Windstar. Brake switch is good. Inserted new fuse and the brake lamps do not light up before the fuse blows. Removed all bulbs front and back ...
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2answers
48 views

What are the implications of driving through flood water when I have a high air intake?

My 2003 Opel Agila 1.2 Petrol, has a high air intake. Here is the approximate location of it: [ Here is the engine bay, showing the air intake on the left. Is the height of the bottom of the ...
2
votes
1answer
21 views

Cracked & frayed wire everywhere!

I have an 84 Ranger with a 2.8L V6. This car seems to have a fair amount of electrical issues, but mostly really minor. I noticed that A LOT of the wiring harness is cracked or frayed, just because ...
2
votes
1answer
24 views

Oldsmobile Stalling at Stop

My 1999 Oldsmobile Alero has been stalling when I come to stop. This happens when I'm driving at speeds of at least 45mph and coming to a quick stop, for instance, when coming off a ramp from an ...
5
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1answer
46 views

Unknown red wiring harness near cooling fan area on a Ford Focus 2004

I have a 2004 Ford Focus SE DOHC. Today, I opened the hood and found an unconnected red wiring harness (shown in the picture, it's the one with a question mark pointed at). I looked around the area ...
2
votes
1answer
16 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
20 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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vote
1answer
68 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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0answers
16 views

High idle, not shifting gears - 1995 Mercury Mystique

My friend has a 1995 Mercury Mystique that was suffering from low idle problems (stalling out at stoplights, etc). He replaced the throttle position sensor, and after that the low idle problem was ...
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1answer
28 views

Having starter issue

My starter motor is good, I can jump the solenoid and start my truck. Why isn't it working from the switch which was working before I put a new starter motor on?
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0answers
20 views

Can I fix the radio that quit working after a jumpstart?

my friend jumpstarted another car with hers. After the jump the radio in her car has not worked. Anything I can do to troubleshoot ?
7
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5answers
340 views

Can hooking up jumper cables incorrectly damage the electrical system of the receiving vehicle?

Our Jeep was having problems turning over, so we called a tow truck driver. He connected the jumper cables incorrectly, starting a small fire on the battery box. After the fire was out, the Jeep no ...
2
votes
2answers
28 views

2006 Pontiac Solstice - Wipers turn on by themselves

Here's a new one: Three times in the past week, the wipers have randomly turned themselves on. Each time turning the switch on and back off has fixed the issue. I haven't seen anything else ...
4
votes
2answers
85 views

Mystery wiring harness underneath the gearshift on a 2004 Ford Focus

My Ford Focus had an evaporator core leak, so the DIY hobbyist in me took apart the instrument panel, dashboard and finally, replaced the evaporator core. I'm on my way putting parts back together. ...
2
votes
1answer
28 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 ...
1
vote
1answer
21 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 ...
2
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0answers
29 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, ...
3
votes
1answer
136 views

VW Golf 2001 Mk4 Diesel ASR Engine Problem

I've spent a crazy amount of money on my car lately and I still have the same problem. I've replaced the: Catalyst Converter Radiator Starter Motor EGR Valve Track Rod ends & Wheel Bearings ...
3
votes
1answer
45 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
3answers
95 views

How do you test analogue electrical circuits?

When trying to diagnose problems with conventional analogue electrical circuits, such as lights, speakers, heated rear windows, etc, as well as short-circuits and unexplained current draws, it can be ...
2
votes
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 ...
2
votes
1answer
41 views

06 Solstice - CEL, no DTC, won't crank

Drove the car to work yesterday, made a few stops along the way with no issues. When I got out of the office, the car would no longer crank. I have a CEL, but no DTC (checked with HP Tuners). No ...
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0answers
29 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 ...
4
votes
1answer
47 views

Second battery for Android Stereo

I have an android head unit that suffers (like most stereos) a power drop/fail on starting the car. While the unit is engineered to retain OS power for a few seconds, the dvd player has to restart, ...
0
votes
1answer
26 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?
2
votes
1answer
55 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 ...
3
votes
1answer
46 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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0answers
15 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 ...
0
votes
3answers
234 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 ...
2
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0answers
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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votes
2answers
20 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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0answers
30 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 ...
1
vote
1answer
19 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 ...
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1answer
23 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 ...
3
votes
1answer
61 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 ...
2
votes
1answer
180 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 ...
2
votes
2answers
162 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
38 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 ...
1
vote
1answer
52 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
vote
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 ...
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vote
3answers
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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1answer
64 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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0answers
71 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 ...
0
votes
1answer
21 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 ...
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1answer
62 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 ...