I just installed an Alpine CDA 7894 in my truck. I think it's the same one
you got (cd/mp3 player) and all you have to do is run the constant wire from
the back of the radio to the 12 volt constant wire under the dash (from the
ignition harness). That's all you need to do, you don't need to add any
other fuse than what came with the radio.
Eric Jerman
>From: "Josh Battles" <jbattles@bankfinancial.com>
>Reply-To: dakota-truck@dakota-truck.net
>To: dakota-truck-moderator@bent.twistedbits.net
>Subject: DML: Re: Install new stereo head unit
>Date: Tue, 4 Feb 2003 12:54:53 -0600
>
>I would definately suggest that you NOT change that 10A fuse to a 20A.
>You've got to remember, the fuse is there to protect the wires, not the
>device. I've read about those alpine units, and from the best I can tell
>you should just run a seperate power and ground line from the battery. You
>could probably pull that 20A thru the thin little stock wires, but the head
>unit will run hotter b/c the thinner wire will cause more resistance to the
>current being drawn and the head will perform poorly. You'd be better off
>just running the cable...There's a rubber grommet in the firewall just
>above
>the e-brake pedal where some wiring harness comes thru the firewall, I just
>poked an extra hole in there and ran my 1/0 gauge into the cab that way.
>It's been like that since the day I got my truck May 14, 2000 and it's
>never
>leaked... In fact, if you get those Alpine units from crutchfield, they
>will
>tell you that you have to get an amp hookup kit along with the head unit.
>I've been toying around with picking one up myself, but I don't have any
>more room on my power distribution blocks..... I hope this helps!
>
>Good luck and let us know how it all works out!
>
>--
>-Josh
>2000 Dakota CC 3.9L
>
>
><bgillan@bellsouth.net> wrote in message
>news:20030204183125.ENHL4794.imf22bis.bellsouth.net@mail.bellsouth.net...
> >
> > I have a '97 SLT CC I'm installing a new stereo head unit in. It's an
>Alpine
> > cd/MP3 unit that requires a lot of current (20A). The installation
>instructions
> > state that a 20A circuit is required and they even recommend connecting
>the
> > main supply line directly to the battery, or fuse block. I have harness
> > adapters that allow the unit to plug directly into the existing wiring
>harness,
> > but the fuse in the radio circuit is only rated for 10A. My first
>question
>is
> > would it be safe to use that same circuit and replace the fuse with a
>20A,
>or
> > would that be dangerous and risk a potential fire. I didn't know if the
>10A
> > fuse was there because that's all the stock radio would require or if
>it's
>10A
> > because that's all the wiring can handle.
> >
> > If the existing circuit isn't capable of supplying 20A, anyone got any
> > suggestions for wiring that would avoid me having to go through the
>firewall
> > and directly to the battery?
> >
> > Thanks, Brian
> >
> >
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