1988 mark 7 color code for sound system

Hello: Sounds like the system is freezing up. Under the hood passenger side there is a silver colored cylinder about 12" long on or near it is a switch with two green wires connected, When the condition occurs, stop truck, open hood if the accumulator or lines are frosted up (white) replace the described switch. The system does not need the freon removed just unscrew the old switch and install the new one. The new one should come with a new "O" ring. Put a small amount of A/C oil on O ring prior to installing switch.

sounds the like the vehicle had an oem amplifier that was removed, most after market stereo installers will trace the speakers wires individually by continuity to by pass the factory amplifier and wire the new head unit to the vehicles speakers, if the harness has been spliced or factory amp removed, you will need to check if the amplifier still exists (usually under passenger rear seat sometimes located in trunk area) and see if the harness has been bypassed. if so you will have to reconnect the harness by color code in order to use the factory head unit

I was given two Lanzar 6.5 and two Pioneer 6.5 speakers. There is nothing wrong with my stock speakers, I just wanted to add a little more thump and clarity. I took off the front drivers side interior panel, Which wasn't all that bad, but i'm having major problems putting it back together. I'll get into that a bit later. I figured swapping the old for the new would be simple. Being it has two wires (pos/neg) going to the driver/speaker cone and two wires going to the tweeter portion that goes over the lower part, four wires total. The wires are White, Brown, yellow, and Black going into a black clip, then they turn black coming out the other side. I cut the four after the clip. My new speakers have only two posts to accommodate the driver and tweeter. So I left off the two for the tweeter and it sounded awful. I tried combining the two positive and two negative and hooking it up that way. That too sounded awful. The tweeter was squealing and chirping. I tried every configuration. They all sounded like ***. What am I doing wrong. I know people swap out stocks for after market all the time. I wanted to be sure my new speaker wasn't defective, so I tried all four (Both brands) with the same results. So I gave up and put the original back in. It sounds fine, just like it had before. But now I can't put the door panel back on. I know it's just tricky and i need more patience. I'm so bummed. I have these great speakers and have no idea why I can't install them. Do I need some aftermarket clip? It seems so easy, why is it so flappin hard? I've done this with other cars in the past with no issues. This four wire thing is killing me... Please HELP ME!!!!!!!!

two purple wires, speaker
two white wires, speaker
two gray wires, speaker
two green wires, speaker
black wire, ground
yellow wire, battery...for memory( goes to a constant 12V power source)
red wire, ignition, to pwr on when key is on
blue wire(remote wire if you have a system)

The player or radio coming out should have a sticker on it with a diagral. If not, the only two you need to worry about is the red and bla. They are the hot and grd. and are larger than the speaker wires. Get those two hooked up, put in a cd and turn it on. Then match up the speaker outputs to the correct speaker. Should be only one wire per speaker. If not, All speaker grounds are the same color and markings. Good Luc, Ned

the wires with black stripes are the minus the ones with red stripes are plus

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: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 4′ x 6′
Car Audio Front Speakers Location: Dash
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: 5 1/4′
Car Audio Rear Speakers Location: Rear Doors
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

U most likely blew a fuse, replace it, if the fuse goes again check the wiring to the radio refer to this wiring chart for color difinitions of radio wiring.

1988 Ford F150 Truck Car Radio Wire Color Codes
Car Radio Battery Constant 12v+ Wire: Green/Yellow
Car Radio Accessory Switched 12v+ Wire: Yellow/Black
Car Radio Ground Wire: Red or Black
Car Radio Illumination Wire: Blue/Red
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 6′
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Orange/Green
Left Front Speaker Negative Wire (-): Black/White
Right Front Speaker Positive Wire (+): White/Green
Right Front Speaker Negative Wire (-): Black/White
Car Audio Rear Speakers Size: 6′ x 9′
Car Audio Rear Speakers Location: Rear Corners
Left Rear Speaker Positive Wire (+): Pink/Green
Left Rear Speaker Negative Wire (-): Pink/Blue
Right Rear Speaker Positive Wire (+): Pink/Blue
Right Rear Speaker Negative Wire (-): Green/Orange

Here is a wiring diagram of the radio by wire color:

Radio Constant 12V+ Wire: Green/Yellow
Radio Switched 12V+ Wire: Yellow/Black
Radio Ground Wire: Black/Green
Radio Illumination Wire: Light Blue/Red
Radio Dimmer Wire: n/a
Radio Antenna Trigger Wire: Blue
Radio Amp Trigger Wire: Blue (Same as Antenna Trigger)
Front Speakers Size and Location: 5′ x 7′ Doors
Left Front Speaker Wire (+): Orange/Light Green
Left Front Speaker Wire (-): Light Blue/White
Right Front Speaker Wire (+): White/Light Green
Right Front Speaker Wire (-): Dark Green/Orange
Rear Speakers SIze and Location: 5′ x 7′ Rear Deck
Left Rear Speaker Wire (+): Gray/Light Blue
Left Rear Speaker Wire (-): Tan/Yellow
Right Rear Speaker Wire (+): Orange/Red
Right Rear Speaker Wire (-): Brown/Pink
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1988 Dodge Ram Charger Car Audio Wire Color Codes
Car Radio Battery Constant 12v+ Wire: Pink
Car Radio Accessory Switched 12v+ Wire: Red/White
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: Orange
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 6′ x 9′
Car Audio Front Speakers Location: Doors
Left Front Speaker Positive Wire (+): Green
Left Front Speaker Negative Wire (-): Brown/Red
Right Front Speaker Positive Wire (+): Purple
Right Front Speaker Negative Wire (-): Purple/Yellow
Car Audio Rear Speakers Size: 5 1/4′
Car Audio Rear Speakers Location: Side Panels
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Brown/Yellow
Right Rear Speaker Positive Wire (+): Blue/Red
Right Rear Speaker Negative Wire (-): Blue/White

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