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Alpine ILX 407, 2015 Ram 1500


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kossuth 
Member - Posts: 1
Member spacespace
Joined: December 17, 2008
Location: Maryland, United States
Posted: February 27, 2022 at 4:37 PM / IP Logged Link to Post Post Reply Quote kossuth
Preface. I’m a DIY guy that has done quite a few additions and such but always want to double check myself.
Radio is going into a 2015 Ram 1500. Using a Maestro interface so I can keep the majority of my OEM trailer brake controller stuff and so on etc.
Two questions.
1. Parking brake: The feed for the radio supposed to be (+) or (-)? The Maestro box output is (+). If radio requires (-) then I have to wire in a relay (no problem). The Alpine manual doesn’t indicate polarity.
2. CAN data buss: I have a 4 pin adapter cable that goes from the Maestro box to an adapter cable that appears to be a straight through that then plugs into a 10 way connector (only 4 pins populated). The connectors all match up etc so I’m pretty sure this is the appropriate cable but wanted to check. I haven’t found a lot of info about this on Alpine radios so I figured I would ask.
Thanks.
i am an idiot 
Platinum - Posts: 13,693
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: February 27, 2022 at 7:54 PM / IP Logged Link to Post Post Reply Quote i am an idiot
All parking brakes are negative. I really don't see them making it a positive out of the RR. Give me a minute to look at the install instructions.
Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB
i am an idiot 
Platinum - Posts: 13,693
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: February 27, 2022 at 7:59 PM / IP Logged Link to Post Post Reply Quote i am an idiot
Light green wire is labeled E-Brake -   The foot brake is + No relay needed. Light green from Maestro to Yellow/Blue of the deck.
Let's Go Brandon Brown. Congratulations on your first Xfinity Series Win. LGBFJB

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