2009 Corolla stereo upgrade v. premium OEM

Discussion in 'OT Technology' started by eighteen_psi, Oct 23, 2008.

  1. eighteen_psi

    eighteen_psi Active Member

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    Anyone done an install/upgrade in an XRS with the 8 speaker JBL rig? Any idea how its wired into/out of the factory amp? Wiring schematics? :x:
     
  2. eighteen_psi

    eighteen_psi Active Member

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  3. eighteen_psi

    eighteen_psi Active Member

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    Suggestion being needle wires and test which is which at both ends?
    A friggin shop manual sure would be easier :wtc:
     

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