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
557 views

Honda Prelude: digital fuel and temp gauges dimming and brightening repeatedly

I have noticed an annoying issue on my '94 (4th gen) Honda prelude. The digital petrol and temperature gauges appear very faint when starting the car. After about 5 mins they brighten again, only to ...
5
votes
1answer
27 views

Replacing interior lights with LEDs (2003 Jeep Liberty)

I replaced the bulbs in the interior dome lights in my jeep with LED's. In front, there are two lights - driver and passenger. In back, there is one. The old lights were too dim, the new LED's are ...
5
votes
1answer
35 views

2002 Hyundai Elantra

I made a down payment to purchase a 2002 Hyundai Elantra and while viewing the car when the battery was disconnected with the car running the car died. Does that mean it's the alternator? Because if I'...
5
votes
1answer
131 views

Security and engine issues

I have a fiat stilo 1.4(2004) plate. It had an intermittent issue with the "car security manager loose connection" and the car wouldn't start sometimes, But when shaking the fuse box/power ...
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votes
1answer
1k views

No spark on my new motorcycle

I recently purchased an 81 Suzuki GS450L, my very first bike. I'm not getting a spark. When it dies, it does so silently. No backfire, sputtering, etc. My first thought was that it had aftermarket ...
5
votes
1answer
234 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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votes
4answers
2k views

Can an O2 sensor cause faulty spark plugs on driver side only when the spark plugs were just changed?

I took my truck (2006 chevy silverado 5.3l v8) to chevrolet dealership due to the fact that it kept sputtering then dying. The check engine light was on the whole 9 yards. The fuel pump has been ...
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votes
0answers
36 views

Won't Start, No Crank, Lights Inside Work, Key Issue, Electric?

Details Chevy Malibu 09 Low on coolant (still visible in the tank so not entirely out) Belts are fine-Never overheated. Timeline One day it didn't start (don't remember it cranking) but then it ...
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0answers
64 views

low beam headlight won't work unless highs on

I have a 1961 Apache. It has the 4 headlight system. The dash lights wouldn't work right unless I wiggled the switch. I install all new headlights and bulbs in the dash. Then I installed a new ...
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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?
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votes
5answers
9k 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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votes
3answers
748 views

Upgrade to HID lights in a Jeep Wrangler

I would like to upgrade to HID lights in my 2008 Jeep Wrangler. The stock lights aren't bright at all. My question is, since this would be an aftermarket upgrade, what am I looking at here? Is it ...
4
votes
2answers
248 views

LED lights on same switch [closed]

I'm trying to wire 4 low voltage LED lights in a vehicle. I would like all 4 lights to come on with one switch, and only 2 of the 4 lights with another switch. I could also use one switch if it has ...
4
votes
5answers
28k 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 ...
4
votes
1answer
90 views

1996 Mustang GT won't start with shifter in Park, but will start in Neutral

I just had this weird problem today. The engine will turn fine, but won't start with shifter in Park. Once started in Neutral the motor runs fine with no hesitations. Battery is strong. Any ideas?
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votes
4answers
69 views

What's the vehicle lifespan effect when turning systems off by using the ignition key?

One of people who drive our Van Toyota Sienna 2014 has the habit of turning OFF all of the internal controls by counterclockwise turning the ignition key. This is to say, before turning the engine off ...
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votes
2answers
14k views

why doesn't my motorcycle power on?

I have a Suzuki sv 650 2007. My bike recently turned on head lamps, tail, and gauges. Now it won't power on at all, not even a jump start can turn the power on. What can I do to solve the cause? Does ...
4
votes
1answer
52 views

Key-on electrical for the Honda NC700x

I've got a 2014 Honda NC700x motorbike, and I'd like to install the aftermarket Bikemaster Heated Grips on it. I purchased the 7/8" kit, instead of the 1" kit that is also offered. When it comes to ...
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votes
2answers
4k views

12v Acc/Switched vs 12v Always On

I am currently designing a part that should always be on when the key is turned to On/Acc, and only sometimes on when the key is set to Off, or removed. My car is a 99 Camry, but I have a good ...
4
votes
2answers
222 views

Start a circuit or device when you insert key in car ignition

I want to start a circuit in my car when I insert my key in car ignition and let it turn off when the key gets removed. I have Honda Civic 2007. Can someone just help me out as to from where do I take ...
4
votes
3answers
2k 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 ...
4
votes
1answer
165 views

Is it necessary to have the good car's engine running when jumpstarting

When jump-starting a vehicle, one first connects the positive and negative terminals between the two cars: positive to positive and negative (good battery) to a bolt head on the vehicle with the dead ...
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votes
3answers
20k views

How do I know when a car battery was produced?

I have a hard time finding when my car battery was produced - can't find any defintive information. The battery is Bosch Silver with the following data printed: 5EN in huge letters and two rows of ...
4
votes
2answers
6k views

Can cold weather cause TPMS sensors to malfunction?

I just bought a new 2011 Honda Fit and while driving it home from the dealer, I noticed that a little light on the dashboard was on that said "TPMS". When I got home, I consulted the owner's manual ...
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votes
2answers
152 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. I'...
4
votes
2answers
121 views

Low beam headlights failing every 3-4 weeks

I have Volvo XC90 2006 and for the past few months every 3 - 4 weeks changing low beam light. Last time even did not last 5 days. Any recommendations why this light is failing?
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3answers
3k views

1997 Honda Civic won't start; stuck in park

Last Sunday I was driving home and noticed my dash had no lights and my power windows would not roll up. As I pulled into the driveway to park I tried to put the car in reverse. As I did so the ...
4
votes
2answers
20k 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 ...
4
votes
1answer
61 views

Wires Coming Out Of Center Console

I bought a 2011 Ram 1500 about 6 months ago. I removed the rubber liner for a small compartment in my center console. When I tried putting it back I realized it would not go down all the way and found ...
4
votes
2answers
3k views

Possible short in reverse lights on 2003 Nissan Frontier Pickup Truck

When I engage reverse on the manual transmission of my 2003 Nissan Frontier pickup truck, the reverse lights tend to sporadically turn on and off. I'm trying to figure out what path to take to ...
4
votes
2answers
44 views

Car Shuts Off during low RPM and only happens at night or early morning

I have a Holden Barlina 2004 VY model v6 I have it for at least 2 years now, but this issue only started to happen two months ago. As I turn it on, it goes smooth and quietly, but as I drive, ...
4
votes
1answer
59 views

My Yamaha cut off while idling and now there is no power

I Started my FZR600 this morning for work. Normal crank. As I lowered the choke it started to die out so I tried to give it some throttle but it didn't help. The bike cut off completely. Checked all ...
4
votes
1answer
28 views

2005 Civic - Strange electrical issues

My wife's 05 civic started to have some strange electrical issues. I'm not sure even where to start troubleshooting. She originally complained that both headlights died simultaneously. I assumed ...
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votes
2answers
86 views

1996 Toyota Camry unlocks and locks itself

my 96 Camry started locking and unlocking itself sometimes while driving and sometimes when not driving I will go to get into my unlocked car just to find it lock. It didn't really bother me til last ...
4
votes
2answers
184 views

How much current should my car draw with the ignition on?

With the ignition fully off, my current draw is pretty much zero, but with the ignition on (to be clear - engine not spinning, starter motor not engaged) it increases to 2.5 amps (at about 11.5v, ...
4
votes
2answers
36 views

Does 2000 Mercury Sable LS Premium have 12V available?

I'm going to be driving/living in a '00 Mercury Sable Sedan LS Premium 4D, which has a 24V electrical system. 100% of my equipment runs on 12V. Does this car have a high-current (>40A) 12V regulator ...
4
votes
3answers
129 views

judging oxygen sensor quality

I was looking at oxygen sensors for my vehicle on rock auto and found large price discrepancies. I saw sensors ranging from $25 up to $100. in general what do the more expensive sensors have that the ...
4
votes
1answer
220 views

Battery high voltage

I measured my "cigar socket / outlet" with a multimeter. Instead of 12v it had 19v. Is this normal? Is it my voltage regulator, alternator, battery that has problems? Car: Peugeot 307, 2.0 XSI 2003 ...
4
votes
1answer
172 views

Could 1.9 Nm be enough to accelerate 130kg electric go-kart?

I'll apologize in advance for a fuzzy question. My problem consists of two parts. For starters, I'm trying to buy a DC engine for learning purposes and most of them only specifies the watt (which I ...
4
votes
2answers
707 views

Low beams don't work but high beams do. What do I do?

It's a Chevy HHR 2006 and I don't know what to do. First one low beam went out now both are not working but both high beams are working. What do I do?
4
votes
2answers
7k views

Could less than optimal battery charge prevent starter bendix drive from engaging flywheel?

With a less than optimal 12.2 volts at the battery terminals and the bendix drive at the starter failing to pop and engage the flywheel, would battery charge be a likely cause of such a failure? Or ...
4
votes
4answers
2k views

High Beam Indicator Problem

I have a situation where I'm doing wiring for the dashboard of a vehicle. For whatever reason, the turn signal/headlight switch on this vehicle outputs a 6 volt signal on the high beam wire when the ...
4
votes
2answers
860 views

2002 Saturn SL2 Stalls After Warmup No Spark

My SL2 stalls (it just cuts out, no warning) shortly after warmup (this all started right after I topped off the coolant after a low coolant light came on, although I don't know if they are related). ...
4
votes
2answers
284 views

Audi A6 : brighter reversing lights?

On my 2007 A6 the reversing lights are very feeble, enough to make it quite difficult to reverse in my own driveway in the dark. I understand that I can't simply use higher-wattage bulbs or LED ...
4
votes
2answers
3k views

1999 gsxr 600 - What is wrong 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 ...
4
votes
2answers
467 views

i have 1998 jeep cherokee 4x4 4.0 liter battery not charging

I have 1998 jeep cherokee 4x4 4.0L. I've tested the alternater, battery, starter, (they all tested good) and replaced the pick up coil, but the battery is still not charging. It's backfiring, the dash ...
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votes
2answers
163 views

Intermittent stall at idle

I have a 98 Saturn sw2 with a recent problem. Two times now it has stalled while idling and when it doesn't stall it floats near 500 rpms (Usually 750 - 950). The first time, it would start and just ...
4
votes
1answer
70 views

What is the best way to repair these motorbike wires?

2 of the wires on my motorbike were cut and used to hotwire it. It's been recovered and I need to permanently connect these back together. What would be the best and easiest way to do this? An ...
4
votes
1answer
75 views

1988 Prelude guages stop working when hot

My tach,temp guage and fuel guage work fine when car is cool but when the car gets hot ( just sitting parked motor not running ) all 3 guages quit working . Any ideas ? Would deeply appreciate any ...
4
votes
3answers
35 views

Electrical - Low beams out, high beams still work

I have a 2001 Mitsubishi Lancer CE, unfortunately both low beam headlights don't work. However, high beams and parking lights both work. I've checked the fuse, relay and bulb, all appear to be working....