Hi.

I'm installing a Jensen display for Android Auto and reverse camera functionality and it wants me to access the illumination control module to tap into the reverse gear signal (pin 3 or 4 on the black 21-pin plug) and the parking brake signal (pin 2 on the black 4-pin plug).

How can I access the illumination module with these 2 black plugs, supposedly in the instrument panel left of the steering wheel?

Also, I don't see in the shop manual a pin on the 21-pin plug for a reverse signal. I know this manual set is fraught with insufficient instruction, but this omission is alarming.

Thanks, Ron