Originally Posted by
chiko
The switch cannot be constant for this head unit. The DVD player wants to detect a GND then an open then another GND before it will activate. I like the option to activate the GND signal with the real parking brake, like you should. And only selectively activate the secondary switch as required.
I've not heard of Pioneer doing this but I think Alpine has been doing it for a long time. There are specific bypasses for this.. it may or may not work with a Pioneer unit, I would do more research.
I'm sure this is overpriced for the parts included, but it is not a bad price. I would rather just pay the $$ than figure out what is needed and try to rig up something myself. Here it just a place to start: