i need help with gettin the right wiring harness

cheese_05_70

New Member
Aug 29, 2005
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i am doin a 4 cyl to 5.0 swap and i got a 89 car with a 2 plug main wiring harness i was told that the only one that would work is the 89 harness w/ mass air well i want mass air so is that the only one that will work?


and will the a9l computer work?
 
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sorry i didnt specify my self i got a donor car for the 5.0 swap and where the dash

plugs into the main harness there is only 1 plug but on my 4 cyl car the is 2 plugs

for the dash harness and is what i need to know is what years have that 2 plug

main harness where the dash plugs in