2003 Saab 9-3 Vector, AutomaticFACTORY OEM SERVICE PROCEDURE

Main purpose: Connection

PINS DESCRIPTION

Pin no. Signal type Description
10 +30 Β 
20 Ground Β 
4, 5 Microphone Β 
1, 2 GPS or AMPS antenna Β 
1 O-bus Reception. Own connection
2 O-bus Transmission. Own connection
Fig 1: Identifying Fuse Location
G03617324Courtesy of SAAB-SCANIA OF AMERICA, INC.

Wiring diagram

Fig 2: Navigation Unit Wiring Diagram
G03617325Courtesy of SAAB-SCANIA OF AMERICA, INC.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.