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Old 10-01-2002, 04:14 PM   #1

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Wiring on Pioneer Deh-8400

I'm not entirely new to wiring Hu's and multiple amps, but I've never run across this and I hope you can help. I just purchased a Pioneer DEH-P8400MP HU and in the wiring diagram it shows a Orange/White wire off the HU that is supposed to be wired in "To lighting switch terminal." OK guys, just what exactly is the"lighting switch terminal" and what is the purpose and where do I find and connect it? The installation directios supplied don't answer these questions and neither does the manual. I know this is a lot to ask, but please help me out if you can. Below is the vehicle I'm installing it in and a list of equipment that I'm working with. Thanks!

2003 Ford F-150 XLT supercab/quad door
Pioneer DEH-P8400 MP
2 pairs of MB Quart 5X7's
1 pair of tweeters
2 10" Orion CS 10 DVC
1 JL 300/4 Amp
1 Orion Extreme 375
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Old 10-01-2002, 04:58 PM   #2

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Dimmer lead . It will dim your display when you light are on.
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Old 10-16-2002, 05:07 PM   #3

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The wire is for your dash illumination wire in your car. it's no big deal if it is wired or not, the radio will work the same either way.
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Old 10-16-2002, 07:43 PM   #4

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all this will do is "dim" your Hu when the lights are turned on.... most of the time i avoid hooking this up b/c some cars ( i forget which) will have problems with interior lighting and causes problems with the tail lights.
this isnt ness for the hu install.
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