Re: Tech2 and O-bus? - Saab 9-3SS Bulletin Board - Saabnet.com
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Re: Tech2 and O-bus?
Posted by DrewP [Email] (more from DrewP) on Mon, 22 Mar 2010 14:19:22
In Reply to: Tech2 and O-bus?, Bob S, Mon, 22 Mar 2010 09:32:53
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If the O-bus is working there be red light emmitting from one of the two fiber optic cables you plugged into the amp, even if the car is off.
The signal (light) originates at the head unit (EHU) inside the dash. I had one of these an amp and a SID go bad in a car that had been improperly jump started.
Light starts at head unit to rear amp (if equipped, in drivers side trunk access panel) to GPS to rear cd changer (if equipped) to front amp to front cd changer back into head unit.
If you unhook coupler in trunk where rear cd would go and they'res no light its either the EHU or the cable is broken between the two. Broken cable can be tested with a helper and a flashlight.
Best,
Drew
posted by 97.204.19...
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