16
votes
Accepted
Why do LED running lights turn off while the turn signal is blinking?
The main purpose for this is so other drivers can see your turn signal. The LED lights are so intense, they do not allow the oncoming driver to be able to see the turn signal. By turning the LEDs off, ...
- 141k
12
votes
Accepted
Is it possible to repair an intermittent or flaky turn signal flasher relay?
Yes you can often repair turn signal flashers!
A variety of things can be wrong: here's one of them. Solder joints on the relay printed circuit boards are especially vulnerable to stress cracks, due ...
- 397
8
votes
Why do cars still use mechanical blinker relays?
I can think of several reasons straight away:
Cheap
Easy to replace
Have a very distinctive click that makes it obvious when they are on, and when a bulb has failed
Are very well understood
Anyone ...
- 18.5k
7
votes
Accepted
Why does my turn signals intermittently flash fast?
This is symptomatic of a loose or poor earth on the lamps. It may be either the front or the rear earthing point. The other item to consider is the indicator/hazard unit, it may be starting to fail.
- 6,749
6
votes
Accepted
Brake lights and turn signals don't work (but head and tail lights do) on 1998 Ford Expedition
On the Expedition the hazard, lower brake lights, and turn signals all route through the multi-function switch.
Gain access to the multi-function switch connector and back probe the light green wire ...
- 10.7k
5
votes
Where is the part of the car that senses the i-key?
Your BCM receives the signal
Nissan uses what is called a BCM or body control module.
The BCM on your car controls the following
Security (key fob synchronization, door locks)
Turn signals
Wipers
...
- 32.8k
5
votes
Where is the part of the car that senses the i-key?
For the remote entry receiver see number 11 in the diagram below.
The interior key antenna is located under the center console number 13 and inputs to the body control module seen in number 1 of the ...
- 10.7k
4
votes
2008 Toyota Rav4 passenger turn signal flashing rapidly, hazards normal
Two things.
First, you can almost guarantee with the blinker going fast one of the bulbs are out. This might include any of the small bulbs which are side markers as well as the main lights which are ...
- 141k
4
votes
Accepted
corner light (signal light) glass cover is destroyed, how can I make one?'
Generally, when looking for harder to find parts such as this signal light my first thought would be to check online retailers like Rockauto, etc. However, this turned out to be a no go as this car ...
- 643
3
votes
How to diagnose if sporadic turn signal functioning is signal flasher or signal combo switch?
Since its sporadic it is more annoying to troubleshoot, but you should be able to check for voltage after the combo switch and see if that is consistent. There should be continuous voltage to charge ...
- 3,284
3
votes
Accepted
94 pontiac transport - direct shorting of blinker / brake light circuit - fuses blowing
Blowing a fuse is a pretty good indication of a short circuit. If you have a DMM (digital multi-meter) try some basic tests:
With the fuse out, read between the prongs of the fuse socket and ground (...
- 14.3k
3
votes
Accepted
What would cause a solid turn signal indicator?
It sounds like you could have a faulty turn signal relay. A relay is a piece of electronics which flashes the light on demand. They are generally cheap and easy to replace, so I would start there. If ...
- 14.6k
3
votes
Is it possible (or practical) to repair a turn signal cancel switch instead of replacing it?
The last time (many years ago) I changed out a turn signal switch it was a PITA because of all the anti-theft devices wrapped around the steering column. By the time I got to the switch I was cursing ...
- 31
2
votes
Accepted
Turn signal not returning to neutral
Your blinker module is broken. This is on the left side behind the steering wheel. There is some mechanical part connected to the steering wheel. If you turn blinker right, some little tooth came out ...
- 746
2
votes
2004 Mercury Monterey - [Self-canceling] turn signals turn on after a turn
It seems your multifunction switch is probably bad.
It should be fairly easy to pull this switch to inspect it. I found these instructions to gain access:
The turn signal canceling is part of the ...
- 141k
2
votes
Accepted
Peugeot 206 indicator not working properly
Check what happens when the hazard light is switched on. If hazard works correctly then the problem could be with the combination switch(light). It is better to get it replaced at the workshop is my ...
2
votes
Accepted
How to connect a 11-pin flasher relay so that turn signal dash indicator lamps work?
How 11-pin flasher relays work internally. See this wiring diagram:
It is for the BOSCH 0 335 210 250 flasher relay (same as yours, only for 12V). The diagram shows the internal components of the ...
- 251
2
votes
Volvo Turn Signal Light Problem
Almost certainly a poor connection within the bulb holder. You might be able to clean up the connections within the holder with a fine bit of sandpaper or "wet and dry", then adjust them with a tiny ...
- 28.6k
2
votes
2003 Buick Century dies when left turn signal is used in the dark/ right blinker stuck
You can try to look for a battery drain as shown in this video by Scotty Kilmer. If you find any drain in the battery you can fix it and this may solve to whole problem.
EDIT:
In the video Scotty ...
- 1,739
2
votes
Rapid Turn Signal
This usually means that one of the left bulb indicators has failed. Inspect front, rear and side indicators with the indicator stalk engaged in the left position and replace the offending bulb.
- 39k
2
votes
Passenger front blinker, rear blinker & brake, and middle brake lights all out
Take a look at the wiring diagram below. The important clue is you said the middle brake light isn't working.
The CHMSL (Center High Mounted Stop Light) works only from closing the dedicated relay. ...
- 12.2k
2
votes
2010 Chevy Cobalt electrical issues?
On our '07 Cobalt,
(1) I have the same non-canceling turn signal problem. I believe it's a mechanical issue. This guy says he has a fix, and an explanation. (Long, lots of pix, I'm not going to ...
- 887
2
votes
Turn signal problem and not understanding wiring diagram
Since car wiring is very complicated in modern cars, the wiring diagrams are generally split into individual functional areas. This diagram is just showing the indicator wiring, the missing wires that ...
- 20.9k
1
vote
Accepted
Golf MK4 Turn signals not working
There is a separate fuse and a separate relay. You'll need to check both, and I hope the relay panel is a little easier to get to than it is on the MKIII, because that's a real treat.
Check the ...
- 13.2k
1
vote
How long do incandescent indicator bulbs last?
The life span of an incandescent light bulb is up to 50 times smaller than the one of an LED (in reality you can expect up to 1500-2000 hours out of an incandescent light bulb, but usually these ...
- 491
1
vote
What would cause a solid turn signal indicator?
Have you checked the bulbs in the turn signal lamps? Depending on the design of the flasher unit, one or more failed bulbs might mean there isn't enough current flowing to make the relay operate, and ...
- 28.6k
1
vote
2002 Jeep Grand Cherokee Laredo turn signals
This isn't an entire solution, but your test of the hazard lamps leads me to believe the problem is within the following diagram... and most likely, from the view of my sofa, the multifucntion switch "...
- 12.2k
1
vote
How to diagnose if sporadic turn signal functioning is signal flasher or signal combo switch?
If you are lucky, there is a separate flasher for the emergency flashers that uses a similar relay. If so, just swap them and see if the issue is fixed. Or you may swap one from another car, just to ...
- 552
1
vote
turn signal blinks wrong direction
The indicator lever is probably spot on for the issue.
There appears to be a triple-square fastener which attaches the steering wheel to the column. The guy in this video on air bag & steering ...
- 141k
Only top scored, non community-wiki answers of a minimum length are eligible