Diy mirror DRL harness?

[allRam]

Does anyone know how to make a harness like one from Boost auto to activate the drl in mirrors?
Like this harness that allows the running lights to be on and completely turn off when blinker is activated.
Dual Function Dodge Ram Wiring Harness (Running Light & Signal) 2.0

 

[crash68]

That's more than just a wiring harness, there is some form of electronics involved that control the mirror light based on the status of the running lights and turn signals.
The modules are about $65, not to bad of a price just to buy them unless your just looking to be able to say you did it yourself.

 

[itswiggs]

DIY Mirror DRL OFF when turn signal on. DIY ddp style harness

I saw all the different harnesses you can get from jhd, boost and ddp with jhd being the most budget friendly route and ddp being the most expensive but least invasive as far as dismantling the vehicle. It got me thinking though because it seems these harnesses are utilizing diodes and or...

www.ramforum.com

Here’s a link to how to do this. You’ll need relays, diodes and capacitors. You’ll need pins for the the door modules to insert into connectors. Alphaobd to enable ambient lighting circuit. And you’ll have to run wiring to the bcm.