Fuse to use for LED's - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Cincy10SSRS · 01-22-2014, 12:17 PM

Which fuse in the main underhood fuse box can I use to power some LED's I'm going to install in my Street Scene grille ducts? Obviously, I'd only want it to be powered when the car is on. Can I just pop in an Add-a-Fuse into the slot that's recommended? Thanks.

Hawk3907 · 01-22-2014, 12:30 PM

If it were me, I would hook it up with a relay and the main power bolt on the bottom of the fuse panel. And I would probably hook the relay into my DRL's or sidemarkers so I could control when its on and off with the stock switch in the car.
But if you want to have them on all by themselves you would need to run a switch. But I would still power it off the main bolt and hook a fuse onto the wire coming off.
Like this :

Cincy10SSRS · 01-22-2014, 01:23 PM

Thanks for the reply I've already gotten but does anyone know the answer to my original question: what fuse could I "tap into" for LED's that would only be on when the car is on? Also, what amp of fuse, 10, 20, etc?

Cincy10SSRS · 01-22-2014, 01:49 PM

Quote:

Originally Posted by AACstyle

If its just grill duct LEDs use a 2.5A fuse. If you want constant power (so you can turn them on even when the car is parked) then get power from the fuse panel under the hood. If you want ignition power (you can not turn on when the car is parked) get power from the driver side interior fuse panel. You can get power from the fuse or connect directly to the power input lug.

Hope that helps

Thanks. I'd rather not have to run wire from the drivers side interior fuse panel. Is there a fuse with ignition power suitable for use in the underhood fuse panel? I don't care if I can't turn them on when the car isn't running and I'd rather not have to wire a on/off switch either. I'm a newb on this kind of mod.

Hawk3907 · 01-22-2014, 01:57 PM

I dont think you understood my post.

You can accomplish this with a relay pretty easy.
Hook a relay up to the fuse bolt on the bottom. Tap the "IN" wire on the relay onto a hot wire. This will cause the relay to turn on when the wire gets power (when the car is started) and then use the "out" side of the relay to hook up to your LED's.
But I would again suggest hooking up a fuse on the out wire so you have some protection.

Cincy10SSRS · 01-22-2014, 02:25 PM

Quote:

Originally Posted by Hawk3907

I dont think you understood my post.

You can accomplish this with a relay pretty easy.
Hook a relay up to the fuse bolt on the bottom. Tap the "IN" wire on the relay onto a hot wire. This will cause the relay to turn on when the wire gets power (when the car is started) and then use the "out" side of the relay to hook up to your LED's.
But I would again suggest hooking up a fuse on the out wire so you have some protection.

OK, really dumb question but what does a relay like this look like? Can I buy one at Autozone, Walmart and the like?

Hawk3907 · 01-22-2014, 02:33 PM

It woudl kinda be wired like this:

But be hooked up to the fuse bolt, not the battery,
And the lights woudl be the LED's

The relay could look like this:

They have several different kinds. I am sure autozone has them.

Basically how it works is:
The relay is like its own switch. The "IN" will connect to a power source that is on when the car is on.
When the "IN" has power (so the car is on) it will open the door for the "OUT" wire. So then the "OUT" wire will have power and provide power to the LED's.

Cincy10SSRS · 01-22-2014, 06:14 PM

Is the bolt at the front left of the underhood fuse box ignition-powered (is it "live" only when the ignition is on)?

sjmautoprod · 01-22-2014, 06:20 PM

No, that cable is always live.

F15 is one that is switched.

Cincy10SSRS · 01-22-2014, 06:28 PM

Quote:

Originally Posted by sjmautoprod

No, that cable is always live.

F15 is one that is switched.

Sorry to be so thickheaded but I just went and looked at the underhood fuse box layout and, of the mini-fuses, there isn't one labeled F15. There is a 5a fuse in location 15 that says "ign"; is that the one you referred to? Thanks.

sjmautoprod · 01-22-2014, 07:01 PM

Yes.

Cincy10SSRS · 01-22-2014, 08:19 PM

Quote:

Originally Posted by sjmautoprod

Yes.

Great; thanks a lot!

68dreams · 01-22-2014, 08:36 PM

if you want it to come on when you start the car just run it under the ignition fuse in box under the hood

OKCwhiteKnight · 01-23-2014, 05:36 PM

Fuse 16 and 33,one is battery other ign.Used by JDP to power their halo kit.Add a circuit from auto parts.

01-22-2014, 12:17 PM	#1
Cincy10SSRS Drives: 2010 2SS RS M6 Join Date: Mar 2011 Location: Cincinnati area Posts: 1,522	Fuse to use for LED's Which fuse in the main underhood fuse box can I use to power some LED's I'm going to install in my Street Scene grille ducts? Obviously, I'd only want it to be powered when the car is on. Can I just pop in an Add-a-Fuse into the slot that's recommended? Thanks. __________________ Traded-in car: K&N Typhoon intake, JBA Shorty headers, Solo mid-pipes/hi-flow cats, GMPP Track Pack axle-back, Vmax ported TB, Billet Custom catch can, billet tensioner pulley, Hines Hex Vents, Z/TA rear spoiler, ProCustom headlight covers, Drake black/riveted quarter window covers, GM satin fuel door, chrome and brushed caps/covers under the hood, EmblemPros underhood bowtie & fuel rail "Camaro" plates, chrome "SS" door kick-panels, chrome trunk latch plate & strut rods, Street Scene lower grille ducts w/LED lights, front bowtie-delete, Yates Performance pedals, 35% tint, etc.

01-22-2014, 12:30 PM	#2
Hawk3907 Drives: 2013 Join Date: Jul 2013 Location: Kansas Posts: 207	If it were me, I would hook it up with a relay and the main power bolt on the bottom of the fuse panel. And I would probably hook the relay into my DRL's or sidemarkers so I could control when its on and off with the stock switch in the car. But if you want to have them on all by themselves you would need to run a switch. But I would still power it off the main bolt and hook a fuse onto the wire coming off. Like this : __________________ Hawk3907 2013

01-22-2014, 01:23 PM	#3
Cincy10SSRS Drives: 2010 2SS RS M6 Join Date: Mar 2011 Location: Cincinnati area Posts: 1,522	Thanks for the reply I've already gotten but does anyone know the answer to my original question: what fuse could I "tap into" for LED's that would only be on when the car is on? Also, what amp of fuse, 10, 20, etc? __________________ Traded-in car: K&N Typhoon intake, JBA Shorty headers, Solo mid-pipes/hi-flow cats, GMPP Track Pack axle-back, Vmax ported TB, Billet Custom catch can, billet tensioner pulley, Hines Hex Vents, Z/TA rear spoiler, ProCustom headlight covers, Drake black/riveted quarter window covers, GM satin fuel door, chrome and brushed caps/covers under the hood, EmblemPros underhood bowtie & fuel rail "Camaro" plates, chrome "SS" door kick-panels, chrome trunk latch plate & strut rods, Street Scene lower grille ducts w/LED lights, front bowtie-delete, Yates Performance pedals, 35% tint, etc.

01-22-2014, 01:57 PM	#5
Hawk3907 Drives: 2013 Join Date: Jul 2013 Location: Kansas Posts: 207	I dont think you understood my post. You can accomplish this with a relay pretty easy. Hook a relay up to the fuse bolt on the bottom. Tap the "IN" wire on the relay onto a hot wire. This will cause the relay to turn on when the wire gets power (when the car is started) and then use the "out" side of the relay to hook up to your LED's. But I would again suggest hooking up a fuse on the out wire so you have some protection. __________________ Hawk3907 2013

01-22-2014, 02:33 PM	#7
Hawk3907 Drives: 2013 Join Date: Jul 2013 Location: Kansas Posts: 207	It woudl kinda be wired like this: But be hooked up to the fuse bolt, not the battery, And the lights woudl be the LED's The relay could look like this: They have several different kinds. I am sure autozone has them. Basically how it works is: The relay is like its own switch. The "IN" will connect to a power source that is on when the car is on. When the "IN" has power (so the car is on) it will open the door for the "OUT" wire. So then the "OUT" wire will have power and provide power to the LED's. __________________ Hawk3907 2013

01-22-2014, 06:14 PM	#8
Cincy10SSRS Drives: 2010 2SS RS M6 Join Date: Mar 2011 Location: Cincinnati area Posts: 1,522	Is the bolt at the front left of the underhood fuse box ignition-powered (is it "live" only when the ignition is on)? __________________ Traded-in car: K&N Typhoon intake, JBA Shorty headers, Solo mid-pipes/hi-flow cats, GMPP Track Pack axle-back, Vmax ported TB, Billet Custom catch can, billet tensioner pulley, Hines Hex Vents, Z/TA rear spoiler, ProCustom headlight covers, Drake black/riveted quarter window covers, GM satin fuel door, chrome and brushed caps/covers under the hood, EmblemPros underhood bowtie & fuel rail "Camaro" plates, chrome "SS" door kick-panels, chrome trunk latch plate & strut rods, Street Scene lower grille ducts w/LED lights, front bowtie-delete, Yates Performance pedals, 35% tint, etc.

01-22-2014, 06:20 PM	#9
sjmautoprod Drives: '16 2SS Join Date: Apr 2011 Location: Chicago Suburbs Posts: 2,271	No, that cable is always live. F15 is one that is switched.

01-22-2014, 07:01 PM	#11
sjmautoprod Drives: '16 2SS Join Date: Apr 2011 Location: Chicago Suburbs Posts: 2,271	Yes.

01-22-2014, 08:36 PM	#13
68dreams Drives: 2016 2SS Black M6 Join Date: Sep 2012 Location: Johnson City Tennessee Posts: 201	if you want it to come on when you start the car just run it under the ignition fuse in box under the hood

01-23-2014, 05:36 PM	#14
OKCwhiteKnight Drives: 2010 2LT RS Camaro 2015 Colorado Join Date: Dec 2009 Location: Oklahoma Posts: 725	Fuse 16 and 33,one is battery other ign.Used by JDP to power their halo kit.Add a circuit from auto parts. __________________