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I am trying to install a Pioneer DEHP6700 in a 98' Chevy Silverado. The problem is there is absolutely no power getting to the deck. I have tried almost every wiring option.

The Chevy wire diagram reads:
MEM - Orange
PWR - Yellow
GND - Black

The Stereo Diagram reads:
BATTERY - Yellow
ACC - Red
GND - Black

I assumed that Orange was the one that went with the red, Yellow-Yellow and Black-Black. NOTHING!! I even went out on a limb that the colors were mixed, and tried the Yellow-Red. STILL NOTHING! I checked the stereo fuse and it is good. What do you suggest???? This is frustrating cuz it is sooooo simple, but i can't get it to work. Thank You!

Are you sure that the orange wire is the ACC switched wire? You can try putting both the Yellow and Red from the head unit to the truck's yellow and see if it comes on.

The deck may require itself to be grounded. Is the unit attached to the truck's metal in anyway?

Do you have a test light? If so use that to find a source of power behind the dash.

Also, are u sure u didnt blow a fuse while attempting to install the stereo?

TEDD

1998 Chevrolet C/K Pickup Stereo Information
Constant 12V+ Orange
Switched 12V+ Yellow
Ground Black
Illumination Gray
Dimmer Brown
Antenna Right Front
Front Speakers 6 1/2" Doors
Left Front (+) Tan
Left Front (-) Gray
Right Front (+) Light Green
Right Front (-) Dark Green
Rear Speakers 4" x 6" Side Pillar
Left Rear (+) Brown
Left Rear (-) Yellow
Right Rear (+) Dark Blue
Right Rear (-) Light Blue

you got it backward chevy orange goes to pioneer yellow.
chevy yellow goes to pioneer red
and black to black

wow im glad mine was all color coded right. Mine was yellow 12v constant and red 12 switched.

what did you do, cut the factory plug off?

lol that would suck