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01 Deville
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58 Posts
Discussion Starter #1
When I got the car it ran fine, still does. Code for o2 bank 1 sensor 2 and replaced it but the code keeps coming back. Any idea what could be causing it to come back? (139,000kms)

Also, how do I remove the back seat entirely? Or is there a better way to run wiring for an amplifier without completely removing the back seat?
 

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01 Deville
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58 Posts
Discussion Starter #3
There is only 3 in the car, one on each downpipe and one post cat. Has to be the post cat, otherwise it would say sensor 1 (local dealer agreed with me)
 

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2005 CTS/ 2008 DTS/ 2008 STS V8 N*/ 2011 CTS4 ALL W/D Pearl
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688 Posts
When I got the car it ran fine, still does. Code for o2 bank 1 sensor 2 and replaced it but the code keeps coming back. Any idea what could be causing it to come back? (139,000kms)

Also, how do I remove the back seat entirely? Or is there a better way to run wiring for an amplifier without completely removing the back seat?
Back seat is very easy to remove. Just lift up with both hands it will unlock, pull forward and remove through door.

Be careful putting it back not to touch parts of the metal seat underbody to the battery.
 

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01 Deville
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58 Posts
Discussion Starter #6
Back seat is very easy to remove. Just lift up with both hands it will unlock, pull forward and remove through door.

Be careful putting it back not to touch parts of the metal seat underbody to the battery.
I mean the back of the seat not the bit you sit on. Unless there is a better way to route the wiring for an amplifier?
 

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2002.5 F55 CORSA STS, 2014 Explorer XLT FWD
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68,441 Posts
The seat back is retained by 3 or 4 snap clips - you need to find them by Braille, along the seatback top line, and trip each with a flat blade screwdriver. On the trunk side of that rear bulkhead is the Electronics Bay.

Amp wires ??? Have fun - the entire sound system is part of the car's serial data bus, TheftLock, and security systems. Do it wrong and you have no idea of the electrical/electronic nightmares you unleash.
 

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Registered
01 Deville
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58 Posts
Discussion Starter #8
The seat back is retained by 3 or 4 snap clips - you need to find them by Braille, along the seatback top line, and trip each with a flat blade screwdriver. On the trunk side of that rear bulkhead is the Electronics Bay.

Amp wires ??? Have fun - the entire sound system is part of the car's serial data bus, TheftLock, and security systems. Do it wrong and you have no idea of the electrical/electronic nightmares you unleash.
Not removing the factory amp just using the signal wire output for the factory sub to the new amp and routing power cables to the battery.
 
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