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Old 03-01-2008, 03:19 AM   #24
Scooby Newbie
Member#: 149789
Join Date: May 2007

2007 STi Cluster in a 2007 WRX

  • Trim the (A) green plug so it can slide on.
  • Move the B28 wire to B16. (Cruise)
  • Ground B4 pin (Diff light)
  • Cut the C9 wire (buzzer)
  • (Dimmer)-Connect a potentiometer between pins b20 and b22 on the cluster. The wrx harness does not have any connectors on these pins so all I did was shove the ends of the wires into the empty slots and secured it.

    With the headlights turned on you lower the brightness of the cluster until it makes a sudden drop in light (this is the night setting)....when you turn the headlights off the cluster goes back to the brightest setting. This is the potentiometer I used

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