Tagged Questions

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

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7
votes
1answer
217 views

Finding And Fixing A Short

Make: Chevy Model: Cavalier Year: 1993 (old I know) Symptoms Turn signal no longer works. The lights do not come on, and there is no "ticking" sound. New Fuse for signal blows as soon as the car ...
3
votes
2answers
3k views

Should only the left “Rear Fog Light” actually light up in a pair?

On a 2003 Saab 9-5 Aero, only the left rear fog light lights up. The right side has a bulb but when I switch the bulbs, the left still is the only side that lights up. I thought it might be a wiring ...
3
votes
1answer
214 views

Hour meter stopped turning

I have an hour meter for my engine in the middle of my tachometer. It has stopped incrementing when the engine is on. I pulled the tach (which works fine) and all of the four wires that attach to it ...
2
votes
2answers
254 views

Can I replace the glass mirror in my (wing) mirror?

A neighbour of mine hit my (wing) mirror with a sliotar and it's cracked/smashed. Can I replace just the glass (the actual mirror itself)? Preferably doing it myself. As oppposed to having to buy a ...
5
votes
2answers
3k views

Manual horn switch

what are the pitfalls or things to look out for when manually wiring a switch from the battery to the horn? Some background: I just moved to texas where they require vehicle inspections. My horn ...
3
votes
5answers
5k 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
2answers
2k views

Aux Audio Input for 2006 Honda Accord

I'd like to add an auxiliary audio input to my 2006 Honda Accord LX-SE: What parts do I need to purchase? Can someone with a rudimentary understanding of electronics perform the installation? What's ...
2
votes
1answer
308 views

Daewoo Lanos SX from 2002 soemtimes does not detect coded key.

I have a 2002 Daewoo Lanos SX which uses coded key. From time to time the car will stop detecting the key and I get into a situation where I'm unable to start the vehicle. The problem usually lasts ...
4
votes
4answers
5k views

What is the best overall ODB2 scan tool?

There are a number of different ODB2 scan tools out there, some PC based, some standalone units, some more for tuning and some more for diagnosing problems. What are the different features that these ...
2
votes
1answer
64 views

How will a hybrid electric vehicle electric drive perform in severe frost?

Every description of hybrid electric vehicles goes to lengths explaining how good it is that an electric motor can be used in cases where the internal combustion engine is not very efficient and thus ...
5
votes
3answers
3k views

2007 Nissan Armada power window fuse location

According to the fuse block diagram, there is not a dedicated fuse for the power windows. Anyone know if the power windows are on another fuse? Front drivers side window will not go down and switch ...
3
votes
1answer
172 views

Can I decrease the sensitivity of my seat belt “person detector”?

Any time I put something - as light as 10 pounds in my passenger seat, my seat belt alarm goes off in my 2007 Pontiac Vibe. To avoid the VERY annoying beeping, I usually end up buckling up my ...
1
vote
1answer
5k 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 ...
9
votes
4answers
2k views

2000 Jetta runs rough, shutters on cold start only on wet days.

This is an issue I've had off and on for, embarrassingly, at least a year: On misty or wet mornings, everything starts out fine but, a few minutes into the drive (like clockwork. I even know the ...
8
votes
2answers
13k views

What is BCM(Body Control Module) in a car?

I own a Fiat Grande Punto. Recently I was told by the authorized auto workshop that the BCM in my car has failed and needs to be fixed. So i have two questions regarding that - What is a BCM and ...
0
votes
1answer
51 views

1994 Tracker Emergency Brake

I have a problem with the emergency light ((!)) staying on, just started 2 days ago when I went over a speed bump, Brake fluid is full, I topped it up a month ago, the gas task was close to empty so I ...
4
votes
1answer
4k views

How should the lights for a trailer be hooked up?

I have a tent trailer and the lights don't work right. It has a 4 wire connector to my car but one of the wires on the trailer connector was worn out and probably not working. So I got a new 4 prong ...
3
votes
2answers
335 views

Trailer wiring corrosion

Every couple of years I find that the trailer wiring connector (7 pin) on the back of my truck doesn't work properly, causing the brake or turn signals on the trailer to not function. This is caused ...
4
votes
2answers
3k 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 ...
8
votes
4answers
3k views

How to assess battery charge level and alternator performance?

What diagnostics can be done to to assess battery charge level? I'm interested both in one-off tests like can be done in car service and also continuous monitoring during normal use. Car panels ...
2
votes
1answer
119 views

What are the resistance values for a 1970s GM fuel level sender?

I'm looking for a chart that will tell me the resistance values for each fuel level. There are a few such charts like that for resistance readings on coolant temperature senders. Does anyone know of ...
0
votes
0answers
174 views

How do you locate a battery drain? [duplicate]

Possible Duplicate: Battery drains by itself when vehicle is parked (parasitic draw) Something is leaching current from my battery. Leaving it parked for a few days results in the battery ...
4
votes
2answers
2k 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 ...
2
votes
2answers
365 views

What's the correct fusing for a headlight relay?

Summary of the situation: I have a 1975 Ford truck that suffered from the "Ford flashing headlight problem". The factory wiring uses 18ga wires over a very long path and through an under-rated ...
9
votes
3answers
19k 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 ...
4
votes
2answers
542 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 ...