I have the 2003 Base model, SE. I am having trouble finding a 12V source for the red ign wire. Where did you guys tie into? GM made sure that it was not easy to install anything aftermarket in these cars. Please help. My wife is getting frustrated riding around with dash panels in the seats. She just told me to just put the factory head back in, but I want her to have a backup camera along with the bluetooth.

If I remember right pink wires were usually +12V key on in the 92-99. Might be the same for 00+

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95 SLE... a keeper. 241k miles. Low and Slow.
97 BMW 528i
98 Infiniti vq35'd i30: 13.3@104mph, 30MPG Hwy (RIP)
02 Jag X-type
03 BMW M5
05 Chevy Cobalt LS
07 Infiniti G35s 6MT (Sold)
07 Ducati Monster S2R 800 with DS1000 swap
83 Yamaha IT175K
72 Yamaha DS7: '74 RD250 swap, JL chambers

Info on dropping a 92-99: Here.

fuse box under back seat i use.

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poverty forces one to do unorthodox things

2000 SSEi
past rides:
1996 SSEi
1992 GTP
1987 Grand Am

Not all GM cars of the 2000's have a switched 12V wire. Either the pink or green wire near the orange one from what I've read works.

Theres alternatives too.

You can wire it to wire a part to the fuse box, which HAS switched power.

You can run it to a constant 12V source with a simple switch for off and on, or simply remove the main part of the head unit whenever you aren't in the car.

It's not really exclusive to one method.

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"What the f*** is the point of driving, if the ride doesn't reflect the person behind the wheel?"

IGN3 under the rear seat is what I use for my radio.

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-Car Guy Carl
"Penelope" - 2003 SLE - 247k Miles
"Sydney" - 2000 Honda S2000 - 98k miles