ok i have a 92 lx coupe that i picked up cheap and i want to convert it to a 5.0...i know what all has to be done but not sure what wireing harness i have to use..it a 92 so would i have to use a 90 to 93 5.0 harness or can i us 87 -88 or even a 89 ... and also i have to put in the wireing harness under the dash ... how and what do i need there... thanks
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