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WakeWorld Discussion Board » >> Boats, Accessories & Tow Vehicles Archive » Archive through January 14, 2005 » Old Clarion head unit help « Previous Next »
By FL SurfLover (flsurflover) on Monday, December 20, 2004 - 8:03 pm:    Edit Post Delete Post
I have a '98 SuperSport with the old M5475 Clarion head unit. I'm putting in an amp to power the 4 stock speakers and a 12" sub. I lifted the dash and examined the back of the head unit looking for the line-level RCA jacks. Looking at the back, near the top right is ONE pair of RCA jacks on about 6" of gray wire. Then at the extreme top right corner is another pair of RCA jacks built into the back of the unit, not at the end of any cable.

So I'm guessing this head unit doesn't have separate subwoofer RCA jacks. Is the pair of jacks at the end of the gray cable for the front channels or the rear channels?

By Mike (mikeski) on Monday, December 20, 2004 - 9:47 pm:    Edit Post Delete Post
One of the nicest things about Clarion is that thye post all of their manuals online. This should be pretty close:

By FL SurfLover (flsurflover) on Tuesday, December 21, 2004 - 5:14 am:    Edit Post Delete Post
Mike, thanks but I searched their site and Google first for any manuals and couldn't find any that were any help at all. Those that you referenced don't even show a picture of the back of the unit, and don't discuss any of the wires or cabling at all.

Does anyone have that old M5475 manual saved in PDF format, or have worked with that head unit?

By Craig Cox (wakedoctor) on Tuesday, December 21, 2004 - 9:36 pm:    Edit Post Delete Post
Ive hooked up numerous amps in the past, never have i came across a head unit with dual rca's. the only thing i can tell you is cheak to see if one is marked input or output, the input could possibly be for head phones or mp3 players, when you hook and amp up you detremen what it picks up with the high or low bypass
By FL SurfLover (flsurflover) on Wednesday, December 22, 2004 - 4:08 am:    Edit Post Delete Post
This is my first amp hookup, but I thought it was standard now for head units to have one pair of RCA's for the front channel outputs, one pair for the rear channel outputs, and on the higher end head units to also have another pair for the subwoofer channel output.

Those wiring possibilities are listed in my amp's manual. And I do see where you can split off one pair of RCA's to feed both the front and rear channels if that is all you have. And the amp can be selected to use only the front channels to feed the subwoofer channel (5-channel amp) or combine both the front and rear channel inputs for the sub channel, if you don't have a separate pair of subwoofer RCA outputs on your head unit like me.

I thought it was strange that one pair of my RCA's would be at the end of 6" of wire, while the other was built right into the back of the head unit without any wire leads. I wondered if one pair was for an input too, but I remember reading a post about how people have wired up an auxillary input through the CD changer DIN port, so I figured it was unlikely that my old head unit already had an input when other slightly newer Clarions didn't. So I took a chance last night and got out my old-school boombox that has a line-in mode where you can plug in RCA inputs on the back. I plugged in each set of my head unit RCA's to the boombox line-in one at a time and then faded the head unit to the front and rear channels to figure out what each set was for or if they didn't work at all.

I was worried that because they didn't share the same ground (boombox on house A/C ground, and head unit on the boat ground) that it might not work or might even scew up the head unit. I just turned my key to the left so no other dash accessories would be on. I rationalized that if I blew the head unit then I could get a new one.

But it worked. The pair of RCA's on the 6" of wire are for the front channels, and the ones built into the back of the head unit are for the rear channel.

I see the antenna input on the back of the head unit, and the large round DIN connector for the CD changer that could also be wired for an auxillary input. The only other thing I don't know for sure about the head unit is a large black female connector on another 6" black wire lead coming from where the 6" grey RCA front channel RCA's are coming out of the head unit. But I'm guessing that is for a wired remote. It has 6 slanted female hole/slots in it at differing angles. I don't need to hook up a wired remote anyway, so I guess I'm all set and will be hooking up the amp today.

Thanks Mike and Craig!

By Evan Brown (guido) on Thursday, December 23, 2004 - 1:22 pm:    Edit Post Delete Post
I've got a similar deck. Sounds like you have it figured out. No, there is no sub output, so you have to use the crossover in the amp, as opposed to one in the deck. I split the rear channel outputs with some monster cable splices and used that for the sub.

The other female plug you are referring to is for the outboard remote that is available for that head unit.

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