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Old 11th November 2006, 12:03 AM   #1
rader is offline rader  United States
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Default Cadillac install was a pain!

am I the only one who had trouble installing a system in a Cadillac? The factory harness had no 12v switched, and the 12 v constant droped out after a relay timed out. Finding the right power sources was a pain. This was a 1998 Eldorado, replacing an OEM non-Bose system. I installed: Eclipse CD200 HU, PPI Sedona 200 amp, Soundstream ref. 300 amp, Audio Planet amp, JL autio sub w/ enclosure, Polk components up front and Infinity 6X9 3 way in the deck. Sounds great...but that a pain.
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Old 11th November 2006, 01:53 AM   #2
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the constant wire should have been orange
switched ign wire= yellow
ground=black
illumination=gray
dimmer=brown
atenna trigger=pink
left front+ tan
left front - gray
right front+ light green
right front neg- dark green
left rear + brown
left rear - yellow
right rear+ dark blue
right rear - light blue

sorry for your luck but must say i never ran into that problem before and ive hooked up many systems in thoose cars
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Old 11th November 2006, 02:13 AM   #3
rader is offline rader  United States
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That's what I thought. maybe I a slow but ut did not work for me. The orange gave 12 v constatant, for about 10 minutes then it dropped out. I think it has to do with a "retained power" function. I had to go to a relay to get 12V switched. The 12V non-switched, I went straight to the main fuse block...knew i could not miss it there. Seems like Cadillac are just too complicated. Then again...maybe I am slooooow.
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Old 19th November 2006, 06:59 AM   #4
MartyM is offline MartyM  United States
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You're correct in having difficulties in late model GM vehicles.

The same applies to other GM vehicles, especially those with "premium" audio systems and vehicles with the in-car network. The old +12V "ACC" lines are much harder to find.

I recently had to derive switched +12V from a harness under the dash, directly from the ignition switch harness.

You also could use a simple transistor-based "relay" to use a +5V switched signal to act as a relay to supply a +12V signal.


That's part of gaining experience installing! The pros like myself have to get around some pretty hard stuff in today's vehicles.
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Old 20th November 2006, 09:25 AM   #5
Maris is offline Maris  Ireland
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Yeah, practically everything is harder to install in the newer cars. Just running a power wire through the fire wall is a load of pain.
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