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CR-814 Radio 900 1992

It’s got to be a bad amp, or a blown amp fuse.

I've got a '93 945T. The factory setup for my car is that the four door speakers went through the amp, the two dash speakers went straight to the radio. Thus, if the amp isn't working, only the dash speakers would work (I’ve since put in an aftermarket radio and bypassed the amp).

Here’s the wiring diagram for my car, courtesy of gwenelf:

AMP (the harness going into the amp)

GND Blk
LF+ Blue/Yellow
RF+ Grey/White
+batt Pink/Blk
LF- White
RF- Grey
LR+ Yellow/Brown
RR+ Green/ Brown
+batt Pink/Blk
LR- Yellow/Grey
RR- Green
Gnd Blk

Radio (the harness going into the radio)

LF+ Dash speaker Brown/White
RF+ Dash speaker Grey/Red
LF- Dash speaker Brown
RF- Dash speaker Grey
Dimmer-Yellow White
Rho + white
Rho- Blue
Batt+ Green/Red (constant power)
Ground Black
Power Antenna - Orange (this is the one that you want to use for the power antenna from your new tape deck)
Power Antenna Green Grey






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