hey, any1 got a clue how to wire up 2 decks?. one is CD and one DVD. the thing is, I want to get a diagram with the use of relays that if the CD Deck ON, DVD Player OFF. and vice versa. dont want to accidently turn on both and pop the fuse or run a 12v line from the batt or ignition switch. i couldnt think of one or draw one up so i need some help.
Thanks
Do either of the units have an input jack? You do know that the DVD deck will play CDs.
yea i know that, but its just i want both. cuz the cd (eclipse) has navi and the dvd is just DVD. i got them as a gift and i cant really return them. so just want to wire up both.
thanks
they offer aux.
hey i posted this a thread in the relay forum but got no reponse. any1 have a wiring diagram to switch one unit off as the other turns on? i think i have a clue how to wire but want to make sure before i proceed. i just dont want to run individual power lines and if i accidently turn on both; the factory fuse wont pop. thanks
If you are using the Aux Input of one unit to play the other unit, and you have only one unit connected to your speaker wires, there will be no problem with both units being on at the same time. If you are using the aux input of one unit, they WILL both have to be on to play the one that is feeding the aux in. If you still insist on wiring a relay to power only one at a time here you go. I must insist that you DO NOT connect speaker wires from both units to your speaker wires of your car. It does not matter if only one unit is on at a time, this could damage the internal amplifier of your radio.
Pin 30 to the switched power wire coming from your car.
87A to the primary deck's switched wire (red)
87 to the secondary deck's switched wire
85 to ground
86 to a switch to activate the relay and allow you to listen to the secondary deck.
The other side of the above switch to a fused 12 volt source.
There have been other threads on this subject. The general suggestions from the true experts on car audio (NOT me!) are to not do this!
I have read about it, but could not figure how to search it.
I know this is not any help at all, but it's my only thoughts on the subject.
Prolly shouldn't have posted.....sorry!
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and thanks for the help i am an idiot.
cheers
The route I would go is set one unit up to be the "Priority" unit.
On the remote turn on wire of the Priority unit install a SPDT (or SPST) relay.
Wire Pin 30 to switched ignition that turns the two decks on
Wire Pin 87A to the switched power input on Deck #2.
Wire Pin 87 up to 2 seperate 4PDT relays (8 total sets of contacts, MUST be 4PDT)
Wire pin 85 up to the remote turn on lead as mentioned above from the priority unit
Wire Pin 86 to ground
Now, whenever you turn on the Priority unit it will energize the relay, shutting off the other unit (taking away the switched power). It will also energize the 2 4PDT relays. When you shut off the priority unit the relay will unlatch and switch back to the other unit.
The 4PDT relays will be connected to your speaker output wires. The 30 terminal will be the speaker output. Pin 87A will be the speaker outputs from the non priority unit (connected when the priority unit is off). Pin 87 will be the speaker outputs from the priority unit (only connected when the priority unit is powered). Do this for all 8 speaker wires and you should be set!
I can't think of an easy way off the top of my head to always switch back and forth based off turning each unit on. I could do it easily with a small microcontroller circuit, but with relays it would be a bit more difficult.
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Kevin Pierson