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Rock Lights electrical install question...

Chris Killion
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Chris Killion Enthusiast

Chris Killion

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2021 - Chevy Silverado Trailboss LT: I want to power some LED rock lights that would normally be connected to the positive and negative posts on the battery, but only have them come on when the fog lights are turned on. This way, the rock lights act as courtesy lights when you lock and unlock the truck since the fog lights come on and have the rock lights only come on when I press the fog light button from inside.

 

Instead of connecting directly to the battery, can I:

1. Connect the positive wire of the LED rock light controller box to post 87 on the relay (and ground the black wire to the body)

2. Connect a wire from post 30 on the relay to the positive terminal on the battery using an inline fuse (5 amp, which is the original amp of the inline fuse if I connected directly to the battery)

3. Run the ground wire from the relay post 85 to the body

 

and here's the big question...

4. Use a micro2 add-a-fuse adapter and connect to the fog light fuse in the engine compartment, with a 5 amp fuse to connect to post 86 on the relay, to "trigger" the lights to come on?

wiring_diagram.pdf

  • 5 months later...
RedLT Enthusiast

RedLT

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Quote

 

 

On 7/15/2022 at 8:31 AM, Dresari702 said:

Chris--did you ever get this worked out?

 

On 2/7/2022 at 9:03 AM, Chris Killion said:

2021 - Chevy Silverado Trailboss LT: I want to power some LED rock lights that would normally be connected to the positive and negative posts on the battery, but only have them come on when the fog lights are turned on. This way, the rock lights act as courtesy lights when you lock and unlock the truck since the fog lights come on and have the rock lights only come on when I press the fog light button from inside.

 

Instead of connecting directly to the battery, can I:

1. Connect the positive wire of the LED rock light controller box to post 87 on the relay (and ground the black wire to the body)

2. Connect a wire from post 30 on the relay to the positive terminal on the battery using an inline fuse (5 amp, which is the original amp of the inline fuse if I connected directly to the battery)

3. Run the ground wire from the relay post 85 to the body

 

and here's the big question...

4. Use a micro2 add-a-fuse adapter and connect to the fog light fuse in the engine compartment, with a 5 amp fuse to connect to post 86 on the relay, to "trigger" the lights to come on?

wiring_diagram.pdf 44.42 kB · 24 downloads

 

According to your diagram, Relay #30 should go to 12v (battery) and Relay #87 should go to (+) LED controller.

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