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Thread: Ford Premium sound 1986 - 1991 Wiring

  1. #1
    Member Whosondephone's Avatar
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    Default Ford Premium sound 1986 - 1991 Wiring

    Just doing some testing with the factory wiring to find what colors go to what speakers in the ford Premium sound. This is off my 86 Grand marquis. I believe the information should be relevant to the years in the title. Can someone confirm that? This is a basic system no EQ I don't believe there are any extra/hidden amps in the system other than the head unit. This is a draft and the information may not be accurate, especially in regards to the power section

    Also I have gotten rid of my wiring harness so I will also note which wires go from one harness to the other.

    Power:
    Orange W/ Blue dot - Orange W/ Blue line (Switched? 12V+)
    Yellow W/ Black dot - Yellow W/ Black line (Constant? 12V+)
    Green W/ Yellow - Green W/ Yellow (Dimmer?)
    Blue W/ red - Blue W/ red (Illumination?)
    Ground Chassis

    Speaker:

    FL+ Orange W/Green dash - Green (bright)
    FR+ White W/Green dash - White w/ Red stripe
    F - Black W/White dash - Black

    RR+ Pink W/Blue line - Orange W/Red stripe
    RR- Green W/Orange dots - Green W/Orange line
    RL+ Pink W/Green line - Pink W/Green
    RL- Pink W/Blue dots - Pink W/blue line

    The car wire colors are going off of my notes. I'm looking only at the amp right now so sorry if the wording is inconsistent. I think a stripe and a line are the same thing. I'm quite sure the polarity is correct and consistent based on radio listening tests.
    Last edited by Whosondephone; 02-21-2016 at 12:14 PM.

    Current ride: 1986 Grand Marquis

  2. #2
    I'm an air-conditioned gypsy gadget73's Avatar
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    I forget what I scanned this from, but its probably out of a 1986 EVTM

    http://gadget73.com/images/schematic/conventional.jpg

    http://gadget73.com/images/schematic/electronic.jpg

    I believe this changed somewhere along the line, probably around 1988 when the radio changed.

    86 Lincoln Town Car (Galactica).
    5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

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  3. #3
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    89 definately has negative outputs for both front speakers.

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    Beater gonna beat sly's Avatar
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    my 88 has the two rectangular single row 8-pin connectors. two wires to each speaker. But it's not premium sound either... so that may be the difference.

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  5. #5
    I'm an air-conditioned gypsy gadget73's Avatar
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    As far as I know, premium sound always involved the amplifier. Straight off the radio was just electronic am/fm/cassette or whatever particular radio you had.

    There also appear to be two variants to the football amp rig. There is a 4 channel version and a 2 channel. My Towncar in stock form had only the front speakers fed through the football. Rears were straight off the radio.

    86 Lincoln Town Car (Galactica).
    5.0 HO, CompCams XE258,Scorpion 1.72 roller rockers, 3.55 K code rear, tow package, BHPerformance ported E7 heads, Tmoss Explorer intake, 65mm throttle body, Hedman 1 5/8" headers, 2.5" dual exhaust, ASP underdrive pulley

    91 Lincoln Mark VII LSC SE, triple black (Timewarp) - poly front bushings, KYB struts and shocks, Holley SystemMax1 lower intake, SilverFox AOD valve body,

    1984 Lincoln Continental TurboDiesel - rolls coal

    Quote Originally Posted by phayzer5 View Post
    I drive a Lincoln. I can't be bothered to shift like the peasants and rabble rousers

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