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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2answers
70 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 ...
3
votes
1answer
49 views

What would go into a tranny swap on a modern vehicle

I have a 1999 Isuzu trooper and I have been toying with the idea of doing an engine and transmission swap on it. If all goes well with the engine I plan on getting I would like to replace the ...
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1answer
25 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 ...
3
votes
1answer
88 views

Electronic disaster after replacing water pump and alternator on a 2008 Scion?

I have a 2008 Scion. I changed the water pump and alternator. After I put it back together I have no power steering, power door locks or windows, Tail or brake lights. Half the warning lights on the ...
3
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1answer
59 views

1997 Honda Accord F22B2 - Electrical Issue After Cylinder Head Repair

I recently replaced the head gasket and timing belt on my F22B2 (non-VTEC, 4 cylinder) 97 Honda Accord. I got everything put back together, but now the ignition switch doesn't have the same results ...
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2answers
531 views

96 Toyota Camry won't stay started [closed]

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 fine....
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4answers
2k views

How stable is voltage in a 12V car outlet?

I want to use a Mini-ITX PC board in a car. I plan to use the 12V "cigar" outlet or take the 12V elsewhere, but from the same 12V source that is dedicated to be used for user devices within a car's ...
3
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2answers
496 views

How do cigarette lighter splitters work?

I have a 3 way cigarette lighter splitter that says: Input: 12VDC, 8A Output 3 Ports: 12VDC up to 8A Fuse: 8A, 250V Does this mean it outputs 8A per port or, does it mean if the load of all ...
2
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1answer
60 views

Constant drain on battery solution

I have a 2012 Ford Fusion SE. My problem is that my dc power outlets (cigarette lighter) are on continuously. I was charging one of my cell phone battery packs and as I unplugged it I noticed that ...
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0answers
119 views

Ford Focus - Central Locking Failure

I would really appreciate some help. So my central locking has stopped working. I can put the key into the door and lock and unlock the car but I can't use the fob on the key. Attempt 1 I tried was ...
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2answers
12k 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 (...
2
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2answers
157 views

Subaru Forester XT 2002 driver power window malfunctioning

My driver side power window does not go down automatically but will go down if you keep the switch depressed. On the other hand the up function only work by continuously pulling and releasing the ...
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1answer
92 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 ...
4
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0answers
34 views

loss of gauges on a 2003 Ford Escape

My son has a 2003 Ford Escape V6, that will all of a sudden have a loss of all gauges while he is driving and then they will come right back up with no loss of power. There has been times he has ...
1
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1answer
2k views

requirements upgrading of headlamp from 35/35w to 60/55w on bullet 350 uce

I own a Royal Enfield Bullet (std) 350cc 2013 uce model. The bike is fitted with a 35/35w HS1 PX43t halogen bulb. I want to replace it with a 60/55w halogen H4 bulb. Earlier I had installed the ...
4
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1answer
40 views

Have a 2000 Jeep XJ Cherokee Sport with Electrical issues

I have replaced computer, starter, alternator and battery twice in the last 2 years. The other day when I turned the key the lights cut off and no attempt to start. I removed battery connections and ...
0
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1answer
148 views

1996 Ford Explorer Speedometer and Shifting issues, O/D light flashing

My 1996 Ford Explorer began having issues at the end of a moderately long drive home while going approximately 60 miles per hour (not sure if related; I drive that speed often). The speedometer ...
4
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0answers
119 views

Wire front camera+sensors+display on SINGLE Ignition switched 12V wire

I want to install front parking sensors & camera (+display). So I have: Kit of 4 sensors + controller Camera Display Basically I know how to install & wire them, the thing I don't sure is: ...
4
votes
2answers
2k views

When reconnecting a battery, why connect the positive first? [duplicate]

When reconnecting a battery, why is it recommended to connect the positive lead first, and the negative lead last? What difference does it make if they are connected in the opposite order?
3
votes
1answer
176 views

Brake light connector drops to 0v when bulb is in, 12v without bulb

I'm stuck with a basic electric problem, on my honda cb500. The rear light bulb is a twin-filament for position/brake, 12v 5/21w. It's brand new and tested. The battery has 11.9v. On the rear light ...
2
votes
1answer
36 views

Odd Dashboard Cluster and Control Behavior

Car: 2005 Dodge Grand Caravan Problematic behavior About this time last year is when this all started. It first surfaced in that when I went to startup the car it started but after about a second ...
2
votes
1answer
63 views

positive ground / neg. ground

With a/c current in a home rather than a vehicle, I don't think one would ever get a positive ground. Electricity always flow from the positive to the negative from what I have been learning about a/c ...
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1answer
117 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
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?
2
votes
1answer
230 views

2006 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 ...
2
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1answer
54 views

electric windows broken

Can anyone help just got home and have gone to do my electric windows up and non of them will go up I had an issue with the passenger side switch not doing the window up but would do it down but now ...
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2answers
284 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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1answer
140 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.
2
votes
2answers
547 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
81 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. ...
3
votes
2answers
1k views

How to simulate that automatic-engine stop feature?

I have a brand new Honda Vezel (Japanese market only). It has this fanciful but useless and nuisance feature that shuts down the engine when I come to a stop and automatically restarts the engine ...
3
votes
1answer
63 views

Utility trailer lights issue

My small utility trailer has sit here for more than a year. Now I found its lights don't work anymore. I used my multimeter to test the four wire harness and find the following: Connect any other ...
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1answer
51 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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2answers
110 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 ...
2
votes
1answer
35 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
392 views

Car Stereo and separate clock keep resetting when car is turned off

Car Stereo and separate clock keep resetting when car is turned off. I bought recently a 2005 Kia Spectra. Car had several previous owners. Stereo is aftermarket pioneer. The stock clock in the car ...
3
votes
1answer
47 views

CanBus - monitoring

My Volvo (2002) uses CANBus to monitor various lamps (I assume its current that's monitored). I intend to splice into one of the headlamps and one of the sidelamps and use those live feeds to dim (...
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0answers
36 views

Merdeces stalls after 30sec-1min, and battery warning light is on [duplicate]

I've got an old but low mileage Mercedes and This problem puzzles me. The car stalls after a short time(30 seconds to 1 minute) after start up and the battery warning light on the dash lights up. I ...
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0answers
18 views

Automatic A/C recirculation problem [closed]

I have a Toyota 2014 4-Runner limited and I have a problem where the recirculation button will automatically turn off. It works fine when it's on, but is there a way to turn off the auto turn off?
3
votes
1answer
68 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 ...
3
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4answers
4k views

Alternative reverse light switch

I am about to take me ute to get a "safety" certificate so that I can get it registered (QLD, Australia) and I have one issue left that is still a possible problem. The switch that operates the ...
1
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1answer
400 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 ...
2
votes
1answer
38 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 ...
5
votes
4answers
2k views

How does a lightbulb with two filaments know which one to light up?

I need to replace the taillight/brake light on my car, and it's a bulb with two filaments (known as 12V P21/5W - see pic) My car has two taillights on each side. A standard 5W bulb for the top half, ...
3
votes
1answer
66 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 ...
2
votes
2answers
556 views

What's wrong if I replace a signal light bulb, but it still acts as if it's burnt out?

I hit the ditch the other day and got towed out. There was no physical damage as far as I can tell, but whenever I indicated right, it would blink fast as if a bulb was burned out. I replaced the ...
2
votes
1answer
461 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 ...
1
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1answer
49 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 ...
1
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1answer
66 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 ...
3
votes
1answer
377 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 ...