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#1445786 - 04/09/08 01:17 PM How to bypass factory amp for aftermarket radio?
337 Offline

Registered: 06/18/04
Posts: 15
Loc: Montreal, Quebec
HI, I have a 1992 Crown-Victoria with the premium sound system. I'm trying to add a CD player and have bought the wiring harness adapter.

My problem is that there is no sound to the speakers, however the radio powers up fine. I'm guessing that i have to bypass the amplifier.

Can anyone give me an idea how to do this without running new wires to each speaker? I searched but came up with nothing.

-1991 Toyota Corolla GT-S

-1967 AMC Rebel 770

#1445795 - 04/09/08 01:34 PM Re: How to bypass factory amp for aftermarket radio? [Re: 337]
natedog Offline
Over the Hill

Registered: 08/07/07
Posts: 2715
Loc: Bowie, MD
Just to clarify,

You are replacing the factory radio with an aftermarket one right? If so are you sure you have all the proper connections on the harness, as well as the antenna cable?
Absurd signature chopped.
Read the rules.

#1445809 - 04/09/08 01:54 PM Re: How to bypass factory amp for aftermarket radio? [Re: natedog]
Sepiroth Offline
Over the Hill

Registered: 03/03/02
Posts: 2822
Loc: Kouts, Indiana
When I bypassed my amp, I had ordered a whole wiring harness from Crutchfield. I had to disconnect the wire harness at the amp, plug the aftermarket Crutchfield harness into the amp harness, run the aftermarket harness through the car and under the carpet, route it around so it wouldnt bee seen under the dash, and bring it up to where the radio resides. Did that all w/o a problem and it worked out fine.

#1445878 - 04/09/08 03:34 PM Re: How to bypass factory amp for aftermarket radio? [Re: Sepiroth]
sanco Offline
fo shizzle

Registered: 08/26/07
Posts: 7576
Loc: chicago, illinois
yup exactly what sep just said, its also refered as a reverse harness if you need to ask anyone at your local audio shop.

its a PITA process but its the only way it will work. either that or just get new speakers and amp \:D

#1446155 - 04/09/08 10:02 PM Re: How to bypass factory amp for aftermarket radio? [Re: sanco]
89LTDBoy Offline
Over the Hill

Registered: 10/07/07
Posts: 1542
Loc: Mandeville, LA, USA
I didn't have to bypass the amp in my 1989.
Did you connect the amp turn-on wire when prepping the harness?
Current Vehicle-1999 Ford Explorer


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