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Old 10-23-2003, 09:25 PM   #1
tux
Scooby Newbie
 
Member#: 40949
Join Date: Jul 2003
Chapter/Region: Tri-State
Location: nj, usa
Vehicle:
2003 wrx
wr blue

Default spare harnesses under dash

does anyone know what exactly these are for?

thanks
andy
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Old 10-23-2003, 09:31 PM   #2
gallstone
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Member#: 9078
Join Date: Aug 2001
Location: North Carolina
Vehicle:
2006 STI
Gray

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Probably the harness used to read you CEL's- they plug into each other and the CEL code is displayed.
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Old 10-23-2003, 09:36 PM   #3
cnk
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Join Date: Oct 2001
Chapter/Region: Tri-State
Location: NJ
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2013 BRZ Limited 6MT
DGM

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If you're talking about the green connectors, leave them unconnected. They are used by the factory during shipment and disconnected at the dealership. I don't remember what they're for, but do not reconnect them. If you're talking about the single connecter with a trapezoidal connector, that is the OBD-II connection. You need an OBD-II scanner to read the codes. Connecting the 2 green connectors will not do anything.

Calvin
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Old 10-23-2003, 09:55 PM   #4
Mulder
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Join Date: Oct 2001
Chapter/Region: Tri-State
Location: NYC
Vehicle:
02 WRX
15 WRX/05 GTO

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Connecting the green ones together will put the ECU into a diagnostic mode where various relays and solenoids will cycle (you'll notice the fans going on and off) and the CEL will flash continously.
There have been numerous instances where people posted that they suddenly had these "symptoms" and wanted to know what was wrong with their car, and it always turned out that they or someone else had just been working under the dash and saw those connectors hanging loose and plugged them together.
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