my guess is, whoever had the car before bypassed the factory amp. It is located behind/under the glove box. See if there's a bypass connected (if there's no wires going into the stock amp!), if so just remove it.
1999 Silver Frost SVT
#609 of 2760
Quaife, lightened SVT Flywheel, SPEC stage II clutch, removed resonator, k&n drop in - various other goodies too.
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