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Old 09-22-2009, 10:58 AM   #5
Owns at MW2
_MARKZ_'s Avatar
AKA: Mark
Join Date: Apr 2009
Location: santa fe, NM
Age: 31
Posts: 21
Vehicle: 2004 Grand Am SE V6
_MARKZ_ Gettin' there
"If you installed a new bosch O2 sensor what are you doing with the sim then? Shouldn't be hooking a sim to a sensor for any reason, and can't use a sim for the front sensor. It runs the car. "

I need the sim for ses light(no cat). I kind of ruined my other sensor by actually cutting the wires and misplacing them so i bought a new oxygen sensor (post or rear) and you said it hooks up to the stock harness(from engine to sensor harness im guessing) but cant you hook it up to the sensor harness(one piece-harness to sensor)? See my sim doesnt have a harness that you can just plug in easy, it has wires you have to splice onto the sensor wires. So am i doing it wrong? Im pretty sure you can connect the sim after the harness and im hooking up the sim to the 2nd o2 sensor, its just that the sim isnt getting any power(12v).

Heres instructions to a simulator similar to mine but with less wires. The wiring is from the sensor to the harness.
Attached Files
File Type: pdf o2sim_installation_manual.pdf (27.9 KB, 14 views)

Last edited by _MARKZ_; 09-22-2009 at 11:41 AM.
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