Plugging wideband sensor into gauge harness causes odd electrical problems.

VisBits · 07-25-2012, 07:00 PM

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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02CWRX · 07-26-2012, 12:56 AM

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

~T.J.

VisBits · 07-26-2012, 04:42 PM

Prosport AFR and Boost. Yes 08 sti.

VisBits · 07-28-2012, 10:28 PM

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.

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	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 * Registered users of the site do not see these ads.

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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	What gauges are you installing? I assume the car is an 08 STi? ~T.J.

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	Prosport AFR and Boost. Yes 08 sti.

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	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.