2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

sleepy eye mod finished, girlz rock

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Old 04-12-06 | 02:59 PM
  #76  
Bukwild's Avatar
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http://www.umnitza.com/

The Predators are the best fiber optic lights on the market. They also fade out when the car is shut off like the dome lights. A really slick set. I am going to put them in my BMW shortly.
Old 04-12-06 | 04:22 PM
  #77  
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Engine, Not Motor
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From: London, Ontario, Canada
Originally Posted by doridori-rx7
Pivot = $1.75 rotary POT with a fancy case.. not rocket science..
Uh, not quite.

A pot is simply a variable resistor. Connecting one in series with the headlight would basically adjust the speed at which the headlight buckets move assuming it could handle the current. If you literally took a $1.75 pot (you are seriously overpaying for your pots) and connected it up, the first time you hit the lights you would have a bit of smoke and a dead pot. A rheostat (a higher wattage wire-wound pot) would work but again you would just be adjusting the speed at which the lights raise and lower.

I'm not exactly sure how the aftermarket pivot kits adjust the position of the lights since the headlight motors are simple motors and not servos with basically no feedback on their position past "UP" and "DOWN". My guess would be a simple timer that simply cuts the motor after a certain amount of time, thus stopping the lights in roughly the same position every time...
Old 04-12-06 | 05:05 PM
  #78  
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Originally Posted by Aaron Cake
Uh, not quite.

A pot is simply a variable resistor. Connecting one in series with the headlight would basically adjust the speed at which the headlight buckets move assuming it could handle the current. If you literally took a $1.75 pot (you are seriously overpaying for your pots) and connected it up, the first time you hit the lights you would have a bit of smoke and a dead pot. A rheostat (a higher wattage wire-wound pot) would work but again you would just be adjusting the speed at which the lights raise and lower.

I'm not exactly sure how the aftermarket pivot kits adjust the position of the lights since the headlight motors are simple motors and not servos with basically no feedback on their position past "UP" and "DOWN". My guess would be a simple timer that simply cuts the motor after a certain amount of time, thus stopping the lights in roughly the same position every time...

I think your pretty close if not 100% correct. Im no wiring expert, and before i got the pivot controller, i hadnt a clue as to how to even make something like that... and too many people think they know how to make it...but dont. idk, i didnt spend too much on it, and its just one more thing inside my car that people ask about...
Old 04-12-06 | 09:44 PM
  #79  
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should have said 'op-amp'.. should have realized you'd get **** about it.
also it's voltage threshold 0-5V , not timer induced control other wise simply changing the lenght of a pivot arm would induce the same effect.. and it dosen't the motor will continue to load up till it burns out trying to reach it's limit point, internally.

Originally Posted by Aaron Cake
Uh, not quite.

A pot is simply a variable resistor. Connecting one in series with the headlight would basically adjust the speed at which the headlight buckets move assuming it could handle the current. If you literally took a $1.75 pot (you are seriously overpaying for your pots) and connected it up, the first time you hit the lights you would have a bit of smoke and a dead pot. A rheostat (a higher wattage wire-wound pot) would work but again you would just be adjusting the speed at which the lights raise and lower.

I'm not exactly sure how the aftermarket pivot kits adjust the position of the lights since the headlight motors are simple motors and not servos with basically no feedback on their position past "UP" and "DOWN". My guess would be a simple timer that simply cuts the motor after a certain amount of time, thus stopping the lights in roughly the same position every time...

Last edited by doridori-rx7; 04-12-06 at 10:02 PM.
Old 04-13-06 | 11:39 AM
  #80  
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Do you have a schematic of one of these controls? I can't see how it could be done with an op-amp unless you are using a servo...
Old 04-30-06 | 06:30 PM
  #81  
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everything bolted up. no custom brackets nessasary..
amazing
i'll do a write up.... some day
Old 04-30-06 | 06:53 PM
  #82  
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now all you need is fabricate something to wrap those light pockets with.. looks very unfinished, detracts from the car's overall appearence
Old 04-30-06 | 10:16 PM
  #83  
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From: Nago Okinawa
Back in 1995 when I did the sleepy eye mod on my FC at the time. I used a 2 reed switches and magnets to control them. I did this so they only rise to the same height every time. Because their is no feedback control in the headlight so if you don’t tell both of them where to stop they raise up at different speeds and stop in different locations



Ozzy Osborn the dyno dude mooning the camera

Old 05-01-06 | 12:06 AM
  #84  
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From: san antonio TX
Originally Posted by doridori-rx7
now all you need is fabricate something to wrap those light pockets with.. looks very unfinished, detracts from the car's overall appearence
um. the plastic stock surrounding goes around the top and sides then the rest is coverd cuz it is sleepy eye. it looks very finished. though i can make a custom surrounding to have it look 100% custom
Old 05-01-06 | 01:08 AM
  #85  
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From: Dallas, TX
Originally Posted by reatrdedspleen
I have the RHU-M installed in my S5. You didnt wire it properly. The directions (NONE of them, the paper that comes with it, nor the internet directions) are incorrect. You have to use a test light, and **** with the wires...A LOT untill it works the way its supposed to. I got mine for 30 bucks, prolly spent 3 hours (it was at night..thats why it took a long time) getting it hooked up. In retrospect i wish i had done it the cheper way. works almost the same, just a little less control on where the lights stop comming up. And requires a tear down on the dash (and those of you with s5's know that those little plastic tabs break WAY too easy) .

I would like to do the dual headlight mod, with the halos, but id go the HID route, and get a pair of BMW halos, and custom fit those. The fiber optic ring looks 100x better IMO. Not to mention the HID rout with the BMW projectors get rid of a lot of scattered light that you get with the cheap fake halo bulbs, and the cheap HID kits a lot of people sell/buy...
care to share the correct way, then?
Old 05-01-06 | 11:14 PM
  #86  
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From: PF, MD
I've been wanting to do this, but how do you keep the headlights level? When I tried it I couldn't get both headlight the same height as they would move at different speeds.

Also, your car looks strikingly familiar to mine...(Click for larger pic)

Last edited by ShadowX; 05-01-06 at 11:18 PM.
Old 05-01-06 | 11:41 PM
  #87  
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From: Dallas TX
ok the halos sleepers + the phantom (no shine) black paint job =
Old 05-10-06 | 10:10 PM
  #88  
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mmm doritos

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what do you think of my custom headlights?
Old 05-10-06 | 10:36 PM
  #89  
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damn those are nice!!! is there any write up for the dual headlight conversion? id like to do this conversion for my car
Old 05-10-06 | 11:09 PM
  #90  
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Play Well
 
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From: We're all fine here now, thank you. How are you?
Hey RX7girl we demand an update lol. And you never called me I think I may cry. But seriously an update would be nice.
Old 05-25-06 | 09:33 PM
  #91  
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I'm rotary for life!

 
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From: Ottawa
Did you manage the guide with pictures yet?
Old 05-25-06 | 09:47 PM
  #92  
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Sleeper but still slow

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Originally Posted by 87rx7girl
cut circut of power to motor by turning off the switch
flip your lights to the up position. they will not move cuz circut is broken
then tap the switch on then off. it will raise them a few. (i could have bought a button but didnt see one)
now i can have headlights on and lights half way up. unlike just pulling the fuse and not having lights.

to raise lights all the way. flip switch to on. they will raise all the way.
get some 2 ohm resistors on put them on the wire near th eswitch, that way rather than having to flick the switch and watch the light come up all jittery like, it will raise slower then you can flip it off. It would look better for people standing around the car and it is less than $8 at radio shack.
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