About the main electric systems of the car. Consider a different tag for radios and other such systems.

learn more… | top users | synonyms

1
vote
1answer
48 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 ...
1
vote
1answer
95 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 ...
1
vote
1answer
83 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 ...
1
vote
1answer
25 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, ...
1
vote
2answers
601 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 ...
1
vote
2answers
272 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. ...
1
vote
1answer
927 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 ...
1
vote
1answer
319 views

Motorcycle battery - correct voltage running and stopped?

Hopefully a pretty straight forward one: I've been having trouble starting my bike. I checked the voltage on the battery when it was idling and got 12.9. Is this too low?
1
vote
1answer
563 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 ...
1
vote
1answer
776 views

Blower resistor blowing on '02 Chrysler Voyager

We've got a 2002 Chrysler Voyager with something of an odd problem. The blower resistor likes to burn out. It's easy to replace, but after doing so, our vent speeds go out one by one, until all we ...
1
vote
1answer
22 views

Front Driver-side window stopped working

Vehicle: 2000 Chevy Blazer 4WD Issue: Front Driver-Size window button is no longer working. Other Details: I checked all other buttons and electrical related things and they all appear to be ...
1
vote
2answers
116 views

how to hardwire a car.(dashcam)

video where i check all my fuses: https://www.youtube.com/watch?v=74YimFvXEsQ fuses that lighted up without key: 11 Moonroof (20a) 12 accessory power socket (with idk why it did since it doesnt ...
1
vote
1answer
320 views

Why is my Temperature gauge keeps going up to hot and car loses power whenever this happens

The problem started a year ago. I changed the engine because there was oil coming out of somewhere. The mechanic said I had a hairline crack. I changed all of the sensors etc ... not too car savvy ... ...
1
vote
1answer
36 views

My car starts fine but spits and sputters until I unplug my temperture sensor then runs without sputtering

I replaced the alternator and afterwords my car would start, but run like its missing. When I unplug my temp sensor it runs without the missing. Even when it's plugged up, you hit the gas and it wants ...
1
vote
1answer
219 views

Where is the coolant fan relay on a 2001 Monte Carlo SS

My check engine light is on. Shop failed the car for NY state inspection. Says I have a bad coolant fan relay. Where would this relay be located?
1
vote
1answer
19 views

2001 Dodge Durango Acts like door is open when they are shut

On our 2001 Dodge Durango sometimes acts as if a door is open and all the cab lights come on and the bell keeps dinging even when they are all closed and we are driving. When this happens we also ...
1
vote
1answer
55 views

Is this the correct procedure for a stator test?

Stator Test I have a 2007 DL 1000 V-Strom: I followed the following process while checking the stator: Put multimeter to VAC Tested the three phases of the stator connector plugged into a new ...
1
vote
1answer
86 views

1974 Honda Cb125 Not Starting + Strange Clicking Noise

I have a 1974 Honda Cb125. The other day, she started fluttering at speeds above 30mph. I had run into this issue before, and it turned out to be a bad spark plug connection. I have since replaced ...
1
vote
1answer
49 views

1997 dodge caravan won't start when motor gets hot

I have a van with the 3.3 in it. It will start in the morning to go to work sometimes die on the way and restart. It also will not start when the motor gets hot it will turn over but not getting any ...
1
vote
1answer
443 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 ...
1
vote
2answers
148 views

2006 Kia Spectra5 Battery/electrical issue

The battery is good but the car is like there's no battery at all. No lights no nothing. Won't start, can't jump it. Got the car home on my trailer and later that night my son came home and said the ...
1
vote
4answers
254 views

Tunning the ECU of a Volkswagen Golf MK6 1.6 TDI DSG

I am a owner of a Volkswagen Golf MK6 1.6 TDI DSG (105HP), and i am a beginner in mechanics, but in computers i am an expert. I stumbled upon those days on some websites that claim to bring you ...
1
vote
1answer
190 views

Engine hesitates when accelerating - 1996 Sunfire

I have a 1996 Pontiac Sunfire with the 2.2L engine. When I accelerate slowly the engine seems to run fine. However, if I accelerate quickly the engine seems to hesitate. I have already replaced the ...
1
vote
2answers
108 views

Volvo 940 stalls and speedometer goes wacko

My 91 Volvo 940 has been dying lately and won't restart. If you jump it, it restarts, but then sputters and stalls within about a minute. Before it stalls, the speedometer bounces up to about 20 mph ...
1
vote
1answer
99 views

dodge intrepid 2000 electrical problems

I have a Dodge Intrepid 2000 My car was recently wrecked.The front is bent in. After the wreck everything electrical was still working the only thing wrong with it was the alignment belt. I had ...
1
vote
1answer
266 views

Ford Focus 2006 - Trunk latch won't close

I lost my keys, so I had a locksmith come and make another Key. He took the lock latch off to do something with a computer as well as the door and ignition. Now the trunk latch will not latch and ...
1
vote
1answer
298 views

'99 Audi A4 seat belt warning sign

I've had this seat belt warning light on my dash for a few weeks now. My dealer says the wiring to my driver seat is gone and replacing it could cost close to 800 USD. Is there a better option?
1
vote
3answers
831 views

Why doesn't homelink plus programming work as described in the manual?

I'm trying to program my 2007 Prius to open my garage door. I succeeded doing this for my 2006 Highlander with no problems. However, for the prius, I cannot get the car to work as described in the ...
1
vote
1answer
531 views

What may be wrong with my central locking?

My Skoda Felicia from 1998 has central locking (not remotely) which has problems. The doors can be unlocked through central locking from the front doors. However, the driver's side door only unlocks ...
1
vote
1answer
340 views

Can I add an MFD to my VW Polo?

I have a 2004 Polo 9N, very basic (even has wind-up windows!) and was wondering if I could retrofit the MFD that the higher-spec models have? Thanks, Gareth
1
vote
1answer
294 views

Does anyone know of a commonly available DPDT or DPST relay? (For use as replacement starter relay)

I have a car (1971 Jaguar E-Type 6 cylinder) with a bad starter relay. The original relay is not available, and all of the specialty parts suppliers sell a generic replacement relay. I'd like to ...
1
vote
1answer
670 views

Cruise Control and Brake Lights not Working

I recently fixed a problem where the cruise control and brake lights stopped working at the same time in my 2006 GMC Canyon. The question is not how to fix this, but how it broke to begin with. I ...
1
vote
1answer
2k views

Using an iPod / iPhone in a 2005 BMW 525i Sedan

I just purchased a BMW 525i (2005 model, automatic) and was wondering if this model supports an adapter like later models for an auxiliary or iPod cable integration? I did some Googling and found some ...
1
vote
1answer
698 views

97 Ford Explorer battery going dead

On Friday, my girlfriend's '97 Ford Explorer v6 lost electrical while driving. We were able to get it going again with a jump start. Lost electricity (lights / gauges) while driving, but were able to ...
1
vote
1answer
1k views

reverse lights always on

I have an older 1993 Mitsubishi Triton ute. The issue is that the reverse lights are always on while the car is running regardless of gear position. The gearbox works, that is to say that the car ...
1
vote
1answer
254 views

Concealing a radar detector [closed]

I've seen some guides online for hard-wiring a radar detector into the electrical system of the car via the moon-roof line or similar. But what about concealing the detector itself. I'd like to ...
1
vote
1answer
6k 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 ...
1
vote
0answers
17 views

2006 jeep commander Drivers side window controls only work for rear windows

My 2006 jeep commander driver side power window controls will only work for the rear windows. I have checked the switches and they are in working order. The front windows and the power mirror controls ...
1
vote
1answer
21 views

Partially blowing a motorcycle main fuse?

So in the continuing saga of my 81 Suzuki GL450L I have been making continuing improvements to the electrical. The coils as previously found were definitely an issue, but possibly not 'the' issue. ...
1
vote
0answers
25 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 ...
1
vote
0answers
25 views

changing ford e4od to 4r100

e4od is a gear driven speed sensor/ 4r100 is reading directly off tailshaft and signal is much faster causing speed to read much faster. Is there a way to put an in-line adjustable type signal changer ...
1
vote
0answers
30 views

Convert my 05 mustang to electric

I'd like to convert my 05 mustang to run by electric power. Is there anyone who I can pay to do the conversion? If not for me is there any place that will in general do conversions?
1
vote
0answers
106 views

Car will not restart after running a while

I drive a Maruti Alto 800, 2013 Petrol model. It is a manual car. It starts fine, cold. I drive for, say half an hour and stop for say refueling then it would not start. It would start after waiting ...
1
vote
1answer
299 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. ...
1
vote
0answers
121 views

Opel Frontera Electrical Problem - can't access diagnosics

I have an Opel Frontera 1999 2.2 Diesel. It refused to turn over a couple of years ago and it's taken me this long to get to doing anything about it. I was advised that it was something wrong with the ...
1
vote
0answers
43 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. ...
1
vote
2answers
106 views

Battery dies frequently

I've had my 97 civic for a year now and the battery died about 3 months after I bought the car. Each time it died, I'd kick start it, drive for a few days, then it would die again. So I went to the ...
1
vote
0answers
166 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?
1
vote
0answers
506 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 ...
1
vote
0answers
183 views

Where is the “comfort relay” in a BMW 1992 325i AUTO?

Please advise where the Comfort Relay is positioned in my car which is right-hand drive. The problem is that the windows and sunroof do not open or close.