Installing a radio in a 1984 caprice without a wire harness

You will need to splice the wires as it will be hard to find the right connector to attach to the harness wires. Use the wiring diagram for the car (get it at Alldatadiy.com) and the one that came with the Dual unit to figure out which wires connect to each other.

check the fuse for it or the column is broke wiring harness did it work before or the plug for it is busted wiring check the plug

if the clock display is on the radio face the radio fuse is the only fuse for this.

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there is a short in the wiring going to the brake lights.Check for a hot wire going to one of the brakes touching metal and grounding out.

If you are talking about the radio harness, probably not. If you are talking about the wiring harness to plug it into the vehicle. The answer isn't so simple. Aftermarket radios have standardized wiring colors. BUT, they don't match vehicle wiring. So, unless you know your vehicles wiring diagram very well, I wouldn't recommend installing without the wiring harness. If the problem is that someone installed in your vehicle before this and cut the vehicle side of the harness, then I recommend you visit scosche or PAC website to see if it is available. It CAN be done, the question is SHOULD it be done. And the answer is no. Harnesses are very cheap these days, unless you have a data transfer style radio, then it gets a little costly. Most are around $7-$20. Hope this helps

You need to check your engine wiring harness. 84 is part of the crumbling, corroding wiring insulation years. If your harness has not been replaced, you may have to really scrounge around to find one of the "new" versions that has okay insulation on the wiring.

well if its like my 87 beretta there's four bolts that hold it down and you'll have to disconnect the seat belt warning harness. if it a single seat...if not you"ll have to take out more bolts.

what you are going to need is the wiring diagram... either car manual might have it or a local car audio place might have it... obviously the charge you for it... usualy for newr cars you can find it for free just by researching it on google... i found this for you duno if it helps... just code the wires and cut them to make your new bridge to the unit without a harnest
Have fun
goodluck

1991 Chevrolet Caprice Car Radio Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Gray
Car Stereo Dimmer Wire: Brown
Car Stereo Antenna Trigger Wire: Pink
Car Stereo Amp Trigger Wire: Pink
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 4′ x 6′
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: 6′ x 9′
Car Audio Rear Speakers Location: Rear Deck
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue

You need to buy an adaptor. You can buy them at Wal-Mart for about 10 bucks.