The little LED in my fog light switch, and also the one in my "half height aerial" switch, are intermittently turning themselves on and off, especially when I tap or jiggle the switches. Therefore, I want to take the switches apart and clean the internal contacts.
Can anyone tell me how to get these puppies apart? I had a go, and managed to separate the switch from the outer casing, by lifting the outer casing over the four plastic bits; but I couldn't get the interior out completely. I didn't want to just go tugging on it!
Thanks!
P.S. I'm posting this in GD, because I believe these switches to be identical for 4th and 5th gens. However, in case I'm wrong, I have a 4th gen.
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1994 JDM Prelude Si VTEC w/ 4WS
Sherwood Green Pearl (G-78P)
Last edited by _SBradley_; 01-26-2003 at 09:19 AM.
Just pull. You're right, the 4g and 5g ones (as well as 3g and probably older) are all very similar. Gently pry back the plastic prongs that slide over the small "nubs" and then pull the innards out. You may need a dental pick or something similar to pull the innards out since they are something of a press fit and may resist movement in that direction.
I would like to add this, though: MOST of the lights in the switches are NOT LEDs but are actual bulbs (with round screw/snap bases). You can identify these from the back by a round base with a slot in it. Use a small screwdriver to "unscrew" them and you can usually replace them without taking the switch itself apart.
SOME switches (like the fog light "on" indicator) IS an LED. Know, though, that LEDs RARELY fail, and when they do, they usually just quit. They are typically only intermittent with temperature and not vibration. Have a go at it, but you will likely have to desolder the old one and solder in a new one if it's the LED. Might be easier to just replace the switch.
Alternately you can hit up Marcucci Motorsports, we are also a full service electronics repair house.
Make visual contact with the white clips on the side of the front button cover. You should see 2 on one side and one on the other. When prying these back to free the front button cover, be very careful not to break off these white clips or the front of the switch will fall off.
Note in this picture I have the internal housing rotated and flipped from it's adjoining component and these show the LEDs I did for the retrofit.
i dunno how the fog switch for the 4g is, but on the rest of em they're all bulbs, so maybe the bulb was just loose. well everyone else pretty much answered your question anyway so meh
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The Trapezoid of Death is back.
For the record, and so that I can remember how to do this again in two years time, this is how the switch finally came apart.
First, to make sure we're on the same page of the book, this is the type of switch I'm talking about:
First, lift the sides of the outer casing over the small "nubs", one side at a time, and pull the innards out from the outer casing:
Next, pull down on the plastic part that is now loose at the bottom of the switch. This part will come away, leaving the circuit board, with the button and the LED, still inside the outer casing:
Now, up at the top of the outer casing, there are two plastic "half arrowheads" holding in the tip of the button (which is obviously attached to the circuit board). Get the circuit board, with the button and the LED, out from the outer casing by carefully manoeuvring the tip of the button out from between the grip of the two half arrowheads:
Hopefully, this will help someone other than myself!
Thanks to Todd for the advice along the way!
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1994 JDM Prelude Si VTEC w/ 4WS
Sherwood Green Pearl (G-78P)
So these are bulbs, not LEDs (like my Helm manual led me to believe).
I've now had a chance to look at the circuit board itself. It turns out that, in order to remove the [I]bulb[I], all you need to do is turn it -- it drops out the back of the circuit board and through the circular opening in the side of the switch. It locks into place when turned clockwise (from the back), and it's released when turned anticlockwise. The back of the bulb is visible in the second (partly) and seventh pictures I posted. In order to remove the bulb, it is not necessary to dismantle the switch at all, other than this!
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1994 JDM Prelude Si VTEC w/ 4WS
Sherwood Green Pearl (G-78P)
Originally posted by _SBradley_ D'oh! In fact, double d'oh!
So these are bulbs, not LEDs (like my Helm manual led me to believe).
I've now had a chance to look at the circuit board itself. It turns out that, in order to remove the [I]bulb[I], all you need to do is turn it -- it drops out the back of the circuit board and through the circular opening in the side of the switch. It locks into place when turned clockwise (from the back), and it's released when turned anticlockwise. The back of the bulb is visible in the second (partly) and seventh pictures I posted. In order to remove the bulb, it is not necessary to dismantle the switch at all, other than this!
Yeah I was thinking that, but those are still hella nice pictures. My camera can't focus when the object is that close.
i have a 4th gen ..., its one of those small bulbs that u can twist and it will fall off the board... can someone please tell me how to take off the bulb from that circular thing and what kind of bulb it actually is.. the size... its really small too .. any ideas on where to get a replace ment one?
can someone please tell me how to take off the bulb from that circular thing and what kind of bulb it actually is.. any ideas on where to get a replace ment one?
Wow, that was a blast from the past!
The bulb doesn't come off the circular, plastic base: you just replace the entire thing. Get a replacement from your local Honda garage.
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1994 JDM Prelude Si VTEC w/ 4WS
Sherwood Green Pearl (G-78P)
wow... thats a fast reply!!!!! didnt see that coming... yeah im fairly new to PO... just got jdm fogs... for the 4th gen... so i have to get them from honda... =/ ....
If I remember, the fog light switch has two bulbs: a white one that illuminates whenever the dash lights are on, and a green one that's on when the fog lights are on.
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1994 JDM Prelude Si VTEC w/ 4WS
Sherwood Green Pearl (G-78P)
When I was replacing my blown bulbs, I had to work out which part number went with which part. It was not obvious from the Honda parts diagram, but I think they were:
Backlight (on with dash lights): 35851-SS0-003
Blue "indicator" bulb: 35850-S04-003
Green "indicator" bulb: 35850-SZ3-911
Clean "indicator" bulb: 35851-SM4-003
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1994 JDM Prelude Si VTEC w/ 4WS
Sherwood Green Pearl (G-78P)
That seems like the way it ought to work. Although my Prelude was written off back in March when some woman drove into the back of me. And I'd been stationary for about 20 seconds.
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1994 JDM Prelude Si VTEC w/ 4WS
Sherwood Green Pearl (G-78P)
icic that sucks..... hmm give me ure opinion... my front frame is bent .. so the headlights are lined enevenly.. and my paint.. the moldings are cracking... so is my interior.. (white) .. should i continue to fix it up? and its auto...
Backlight (on with dash lights): 35851-SS0-003
Green "indicator" bulb: 35850-SZ3-911
so basically you bought these 2...
To be honest, I don't even remember which bulbs needed replacing now. If I had to guess right now, without going back and looking at my records (which are at home, if they even still exist (I'm at work)), then I'd guess those are the two. Like I said, that's one of Honda's stranger parts diagrams. I still don't know what "neo-wedge" means.
Quote:
icic that sucks..... hmm give me ure opinion... my front frame is bent .. so the headlights are lined enevenly.. and my paint.. the moldings are cracking... so is my interior.. (white) .. should i continue to fix it up? and its auto...
Hmmm, I guess that depends how much the car means to you, how much you've put into it (that you couldn't undo), how much it's going to cost to fix the frame, ... If you like the car and fixing it is viable, then I'd say go for it. If the cost of repairs is more than the car is worth, then maybe you'd be better off selling it and starting afresh. How did the frame get bent?
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1994 JDM Prelude Si VTEC w/ 4WS
Sherwood Green Pearl (G-78P)
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