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2003 Seville STS
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73 Posts
Discussion Starter #1
My aunt got me a pack of those LED strip things that you hook up to your car. It says you can put them inside or outside. So I decided I really want to put them on my mirror or something and connect them to my turn signals so that they only come on when I turn my directionals on. I want to put them on both sides.

On the package it says that I can either connect the wires to a fuse, or i can tap into the wires.

Which would be best and easiest? And how should I wire it so the wires are out of sight?
 

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1997 Cadillac STS (Diamond White on Medici Red, Z-rated)
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103 Posts
Re: Connecting LED strips to turn signals

However you decide to wire them in, I'd advise you to do it in a manner that is 100% removable. Please DO NOT cut into any of the factory harness, it may be easiest to tap into the signal wires this way, but you are setting yourself up for problems down the road. I'd suggest looking at the fuse box and try determine if there is a way (or a product available) so you may add a wire to the circuit without disturbing any of the factory wiring.
 

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Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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20,263 Posts
Re: Connecting LED strips to turn signals

you need to learn how to use the SEARCH feature -
another poster asked the EXACT same question a couple days ago -

http://www.cadillacforums.com/forum...3-03-sts-led-mirror-signals-installation.html

I hope you won't take this the wrong way - but -
this project is NOT a quick/easy stick 'em on the mirror -
and scotch-lock a wire or two -
it will take some circuit knowledge and wiring skill -
 

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1997 Cadillac STS (BOSE w/AUX In, Massage Seats, URPAS, "Z")
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6,405 Posts
Re: Connecting LED strips to turn signals

The LED strip is this week's fad, the car is for longer. Don't tap or cut into wires, make sure is totally removable, think well before cutting or drilling anything, does it worth it?

For example once I saw a portable GPS permanently mounted on the glove box door (by cutting it). That is kind of ok as you can get a replacement door for under $100 (plus the hassle of RR the lock), but if the same was installed on the dash near the glove box, well that’s a whole dash to replace…
 

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2002.5 F55 CORSA STS, 2014 Explorer XLT FWD
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71,130 Posts
Re: Connecting LED strips to turn signals

Bottom line for a tape-and-wire job is "Don't !!"

Use the correct Deville turn signal mirrors and do the complete replacement. As posted, there is a lot of info in CF on this modification - JimD has posted the instructions twice that I know of, with a link as recently as the last 3 or 4 days. Don't simply read your own threads - read everyone's.
 

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2001 Cadillac Eldorado ETC
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913 Posts
Re: Connecting LED strips to turn signals

Fuse taps work well. Use an inline switch if you need to turn them on and off. A fuse tap is an extension of an existing fuse and allows you to add a circuit, as long as you don't exceed the capacity of the fuse you tap.
 

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2003 Seville STS
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73 Posts
Discussion Starter #7
Lifer said:
Fuse taps work well. Use an inline switch if you need to turn them on and off. A fuse tap is an extension of an existing fuse and allows you to add a circuit, as long as you don't exceed the capacity of the fuse you tap.
Thank you for the tip lifer. So I was reading a couple other threads (not only on this forum, but a couple forums that specialize in led auto light mods) and they basically said to just attach the positive wires on the LED to the positive area on the turn signal fuse and then attach the ground wire from the LED to the body, and the lights will blink when I turn on the turn signals? I am not very familiar with the electrical systems work in general (That is what i am trying to learn now) so does that sound correct to you?

Lifer said:
don't exceed the capacity of the fuse you tap.
And the LED strip is 12V is that okay?

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basscatt said:
you need to learn how to use the SEARCH feature -
another poster asked the EXACT same question a couple days ago -
Sorry about that. I mostly use my iPad to access this forum because I don't have regular access to a computer. And the apps search feature doesn't allow me to search in just this Seville forum. It searches in all forums. So it is usually easier for me to just post a thread of my own.

basscatt said:
I hope you won't take this the wrong way - but -
this project is NOT a quick/easy stick 'em on the mirror -
and scotch-lock a wire or two -
it will take some circuit knowledge and wiring skill -
I understand what you mean. But the way I look at it you can't learn anything if you never attempt anything. So even though I don't have much "circuit knowledge and wiring skill" I am very eager to learn and I am willing to take on a challenge.
 

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Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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20,263 Posts
Re: Connecting LED strips to turn signals

good luck :skeptical:- and be sure to have a FIRE EXTINGUISHER CLOSE BY - :flame:
 

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1995 Eldorado sittin on 5 elbows its a classic B-)
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Re: Connecting LED strips to turn signals

lmao i didn't know this forum had a flammin smiley basscatt...i dang near spit out my drank

but on the subject it cant be that bad? Ive often seen everyone down here in Houston fiberglass on those turn signal mirrors and their lacs are still not singed to a crisp
--- Im next in line for the benz lights :devil:...I say follow the turn signal wires from the headlights and slightly skin the wire without cutting it all the way then__wrap around__ and tape it...if you can___ inline fuse it with a 30amp...(which is extra precaution from grounding out and creating a smoking battery___ although most cars have a maxi fuse for all the lights...use good insulated wire most of those add on lights are china made...i don't use under 14-12 gauge for electrical under the hood)
 

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1997 Cadillac STS (BOSE w/AUX In, Massage Seats, URPAS, "Z")
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6,405 Posts
Re: Connecting LED strips to turn signals

30A fuse for a LED turn signal strip?!?!?!!?
You need 5A AT MOST. Just so you know an LED typically uses 20mA (that's 0.02 A), you have what 5-6 LEDs? That’s still 0.1A.
Obviously you protect the wire with a fuse that is SMALLER that the wire capacity and you don't need to use 14 AWG or 12 AWG for such a circuit.
Just to have an image of what a 12AWG wire means, is like using a 1 feet diameter pipe to feed water to your kitchen tap.

Also "slightly skin the wire without cutting it all the way" THIS IS EXACTLY WHAT I WAS TELLING NOT TO DO. Make a small extension cable with male-female connectors and do the "Y" on this extension (TEMPPRARY) cable. Once your LED strip is burned, or you figure out that you rather see in the mirror what happen behind you than having some LED strip glued on it, you would like to return the car to original. All you do is unplug the extension cable and you’re done (no fire hazard).
I would advise you to think very HARD if you really want to do this.

If you still want to go with this, remember to wrap the wires in electrical tape (same like factory), use clips to attach the wires securely (don’t let them hang). Every time the harness passes trough a metal hole make sure you use grommet to protect the wire insulation from the sharp metal edges. Generally the aftermarket installs in cars are nowhere near the factory quality and that’s NOT SAFE.
 

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Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
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20,263 Posts
Re: Connecting LED strips to turn signals

lmao i didn't know this forum had a flammin smiley basscatt...i dang near spit out my drank

but on the subject it cant be that bad? Ive often seen everyone down here in Houston fiberglass on those turn signal mirrors and their lacs are still not singed to a crisp
--- Im next in line for the benz lights :devil:...I say follow the turn signal wires from the headlights and slightly skin the wire without cutting it all the way then__wrap around__ and tape it...if you can___ inline fuse it with a 30amp...(which is extra precaution from grounding out and creating a smoking battery___ although most cars have a maxi fuse for all the lights...use good insulated wire most of those add on lights are china made...i don't use under 14-12 gauge for electrical under the hood)
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I say follow the turn signal wires from the headlights
and slightly skin the wire without cutting it all the way
then__wrap around__
and tape it...if you can___


you don't need no stinkin' tape -
just squeeze some heatglue over the splice -
if you don't got no heat glue -
some silly-cone bathtub kawk works just as good - prably

inline fuse it with a 30amp...
ya think 30A is enuff? -
I wood use a 50A -
ya don't want to keep havin' to change it cuz it pops every time ya puts da blinker on -

use good insulated wire
most of those add on lights are china made...
i don't use under 14-12 gauge for electrical under the hood


hey - herz a thawt -
if'un ya got a jumper cablz - from Kmart - kuz day gots clamps on both endz -
ya kood jus clamp da clamp on da wirz and
clamp da clamp on da batry - an git sum ducktape ta hole everytin on -

woodnt dat work to -
 

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Re: Connecting LED strips to turn signals

Reiterating some above sentiments. Thank your Aunt for the gift and them throw them away or sell them. Tacked on aftermarket LEDs strips have gone from unique to ricer very quickly.
 

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1997 Cadillac STS (BOSE w/AUX In, Massage Seats, URPAS, "Z")
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6,405 Posts
Re: Connecting LED strips to turn signals

I just hope the OP will understand we advise him good, may not be what he want to hear but hopefully will understand rather than going "who needs this forum, I am doing my way". At least it did the good thing and asked first.
I, as most people, find these things tacky, but after all does what ever it likes to his car as long as is safe and legal.
 

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2002.5 F55 CORSA STS, 2014 Explorer XLT FWD
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Re: Connecting LED strips to turn signals

For most, if not all, "upgrades" or modifications to these cars there is a way to do it correctly and several ways to quickly slap it together. Most members in this model/year group of Cadillac owners choose to do it stock-looking and correctly, so that's where the advice lies.

If the modification looks stock and turns very few heads then it's a success. If the modification is outlandish or blatantly "in your face" then it's nothing more than pure American Idol bling.

There's a fine art to doing a frame-off original resto on a '49 Ford coupe - and the same year/model car can be rodded, dropped, chopped, channeled, Frenched, striped and skirted. Your call.
 

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Master of the Dark Art of Diagnostics
2003 DHS - two-2002 DHS, 2003 SLS, 1995 Sedan DeVille, 1989 Coupe DeVille
Joined
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20,263 Posts
Re: Connecting LED strips to turn signals

For most, if not all, "upgrades" or modifications to these cars there is a way to do it correctly and several ways to quickly slap it together. Most members in this model/year group of Cadillac owners choose to do it stock-looking and correctly, so that's where the advice lies.

If the modification looks stock and turns very few heads then it's a success. If the modification is outlandish or blatantly "in your face" then it's nothing more than pure American Idol bling.

There's a fine art to doing a frame-off original resto on a '49 Ford coupe - and the same year/model car can be rodded, dropped, chopped, channeled, Frenched, striped and skirted. Your call.
-------------------------------------

There's a fine art to doing a frame-off original resto
View attachment 101767

and the same year/model car can be chopped
 

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2002.5 F55 CORSA STS, 2014 Explorer XLT FWD
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Re: Connecting LED strips to turn signals

The 3-part clearcoat silver metallic job by Krylon did not take on the trunk.
 

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2001 Seville STS, 1990 Seville (RIP), 1972 Sedan Deville
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basscatt said:
<img src="http://www.cadillacforums.com/forums/attachment.php?attachmentid=101767"/>
It's a Metro, some, may in fact, consider ^^that^^ an UPGRADE in materials, build quality, and fit and finish.
 

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chevy 350 powered 86 FWB, 00 safari h.t. 66 toro, 83 lesabre
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basscatt said:
-------------------------------------

There's a fine art to doing a frame-off original resto
<img src="http://www.cadillacforums.com/forums/attachment.php?attachmentid=101767"/>

and the same year/model car can be chopped
^more room for my subs, and no stupid tin foil trunk lid to vibrate
:)
 

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Re: Connecting LED strips to turn signals

Have you finished with this install? if so post some pictures and if not then really think hard and long (lol) about where you want to place the strips so it doesn't look real tacky.
 
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