21+ Tahoe where to tap for step lights?

[DwDrummer]

I want to add some LED lights under the steps on my Tahoe and was wondering if anybody knew where I could tap in the BCM wires under the driver's side dash so they would come on/off when the door opened/closed? I did this on my 24 Sierra Denali but know the wiring is more than likely completely different. Thanks!

 

[WalleyeMikeIII]

Perhaps figure out where the illuminated sill plates are wired from...maybe even locate that accessory wiring harness...that is probably the closest to on/off w/ the door.

 

[DwDrummer]

I seen this on Amp research directions for their electric steps, anybody know exactly how to wire each light based off this picture?

 

[StephenPT]

I seen this on Amp research directions for their electric steps, anybody know exactly how to wire each light based off this picture?

That module (BCM) is located under the dash on the driver side. Remove the carpeted close-out panel and look up in there to see the module with the connectors that match what's shown in the diagram.

 

[DwDrummer]

That module (BCM) is located under the dash on the driver side. Remove the carpeted close-out panel and look up in there to see the module with the connectors that match what's shown in the diagram.

Yes, however this ties into a harness that get power from the battery and plugs into the OBDII port.

https://www.electricstep.com/amp-research/pc/catalog/AMP76327.pdf