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Old 07-25-2012, 07:00 PM   #1
VisBits
Scooby Newbie
 
Member#: 300773
Join Date: Nov 2011
Chapter/Region: MWSOC
Location: Cincinnati
Vehicle:
08 STI
Black Pearl

Default Plugging wideband sensor into gauge harness causes odd electrical problems.

Hi Guys,

I just installed the Perrin dual pod gauge setup and wired my gauges into the cars harness hear the dimmer switch.

I spliced the orange leads from the gauges (headlight toggle) to the purple lead on the dimmer button.

I spliced the white and red onto the brown with white stripe of the fuse block (12V Power and Ignition).

The boost gauge works perfectly and has no issues, the headlights toggle it just fine, however if I connect the AFR gauge everything is fine until I plug the actual wideband sensor into the gauge harness. My rear wiper starts running and the headlight leveling motors turn on and stay on.. If I unplug the sensor everything goes back to normal.

Any ideas? I have everything grounded to a lug in the fusebox area.

Referenced this for wiring: http://www.scoobymods.com/showthread...009-12055.html
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Old 07-26-2012, 12:56 AM   #2
02CWRX
Scooby Specialist
 
Member#: 196013
Join Date: Nov 2008
Chapter/Region: NWIC
Location: Woodinville, WA
Vehicle:
2002 WRB WRX
EJ207 6-Speed

Default

What gauges are you installing? I assume the car is an 08 STi?

~T.J.
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Old 07-26-2012, 04:42 PM   #3
VisBits
Scooby Newbie
 
Member#: 300773
Join Date: Nov 2011
Chapter/Region: MWSOC
Location: Cincinnati
Vehicle:
08 STI
Black Pearl

Default

Prosport AFR and Boost. Yes 08 sti.
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Old 07-28-2012, 10:28 PM   #4
VisBits
Scooby Newbie
 
Member#: 300773
Join Date: Nov 2011
Chapter/Region: MWSOC
Location: Cincinnati
Vehicle:
08 STI
Black Pearl

Default

Turns out the boost gauge had a short internally and was causing the circuit to be finicky, it quit today and the AFR guage works perfectly. Boost gauge does not function at all even wired directly to the battery. These pro-sport gauges seem iffy.
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